Tropical Cyclones
[Index]
Tropical Cyclone JOSIE : JTWC Advisories
Season 2017-2018 Summaries (Operational Data): [AU] [SIO] [SPAC] [SH]
---> Tropical Cyclone JOSIE Track Map and Data

SUBJ: TROPICAL CYCLONE 18P (JOSIE) WARNING NR 001
WTPS31 PGTW 311500
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
311200Z --- NEAR 18.5S 175.9E
MOVEMENT PAST SIX HOURS - 115 DEGREES AT 12 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
075 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
REPEAT POSIT: 18.5S 175.9E
---
FORECASTS:
12 HRS, VALID AT:
010000Z --- 19.2S 177.4E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
005 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
145 NM SOUTHEAST QUADRANT
095 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 120 DEG/ 07 KTS
---
24 HRS, VALID AT:
011200Z --- 19.9S 178.6E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
135 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 135 DEG/ 04 KTS
---
36 HRS, VALID AT:
020000Z --- 20.5S 179.2E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 005 NM NORTHEAST QUADRANT
015 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
175 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 165 DEG/ 05 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
021200Z --- 21.5S 179.5E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 005 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
005 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
215 NM SOUTHEAST QUADRANT
125 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 160 DEG/ 06 KTS
---
72 HRS, VALID AT:
031200Z --- 23.8S 179.6W
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
105 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 250 NM NORTHEAST QUADRANT
285 NM SOUTHEAST QUADRANT
155 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 145 DEG/ 08 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
041200Z --- 26.4S 177.5W
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING EXTRATROPICAL
RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT
375 NM SOUTHEAST QUADRANT
200 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 140 DEG/ 14 KTS
---
120 HRS, VALID AT:
051200Z --- 30.7S 173.3W
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
375 NM SOUTHEAST QUADRANT
230 NM SOUTHWEST QUADRANT
170 NM NORTHWEST QUADRANT
---
REMARKS:
311500Z POSITION NEAR 18.7S 176.3E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 144 NM WEST
OF SUVA, FIJI, HAS TRACKED EAST-SOUTHEASTWARD AT 12 KNOTS OVER
THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311200Z IS 14 FEET. NEXT
WARNINGS AT 312100Z, 010300Z, 010900Z AND 011500Z. 
=========================================================================
SUBJ: TROPICAL CYCLONE 18P (JOSIE) WARNING NR 002
WTPS31 PGTW 312100
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 002
01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
311800Z --- NEAR 19.0S 177.1E
MOVEMENT PAST SIX HOURS - 115 DEGREES AT 12 KTS
POSITION ACCURATE TO WITHIN 045 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
140 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
110 NM NORTHWEST QUADRANT
REPEAT POSIT: 19.0S 177.1E
---
FORECASTS:
12 HRS, VALID AT:
010600Z --- 19.6S 178.4E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
135 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 130 DEG/ 04 KTS
---
24 HRS, VALID AT:
011800Z --- 20.2S 179.1E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT
145 NM SOUTHEAST QUADRANT
075 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 145 DEG/ 05 KTS
---
36 HRS, VALID AT:
020600Z --- 21.0S 179.7E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT
160 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 150 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
021800Z --- 22.1S 179.6W
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
005 NM SOUTHWEST QUADRANT
005 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT
205 NM SOUTHEAST QUADRANT
115 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 150 DEG/ 07 KTS
---
72 HRS, VALID AT:
031800Z --- 24.5S 178.0W
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 205 NM NORTHEAST QUADRANT
270 NM SOUTHEAST QUADRANT
180 NM SOUTHWEST QUADRANT
095 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 135 DEG/ 09 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
041800Z --- 27.1S 175.1W
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING SUBTROPICAL
RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT
385 NM SOUTHEAST QUADRANT
220 NM SOUTHWEST QUADRANT
145 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 145 DEG/ 10 KTS
---
120 HRS, VALID AT:
051800Z --- 30.4S 172.2W
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
SUBTROPICAL
RADIUS OF 034 KT WINDS - 210 NM NORTHEAST QUADRANT
290 NM SOUTHEAST QUADRANT
205 NM SOUTHWEST QUADRANT
175 NM NORTHWEST QUADRANT
---
REMARKS:
312100Z POSITION NEAR 19.2S 177.4E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 92 NM
SOUTHWEST OF SUVA, FIJI, HAS TRACKED EAST-SOUTHEASTWARD AT 12
KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311800Z IS 15 FEET. NEXT
WARNINGS AT 010300Z, 010900Z, 011500Z AND 012100Z.
=========================================================================
WTPS31 PGTW 010300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 003    
   01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   010000Z --- NEAR 19.7S 177.1E
     MOVEMENT PAST SIX HOURS - 160 DEGREES AT 08 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT
                            125 NM SOUTHEAST QUADRANT
                            160 NM SOUTHWEST QUADRANT
                            095 NM NORTHWEST QUADRANT
   REPEAT POSIT: 19.7S 177.1E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   011200Z --- 20.3S 178.0E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
                            035 NM SOUTHEAST QUADRANT
                            005 NM SOUTHWEST QUADRANT
                            005 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
                            140 NM SOUTHEAST QUADRANT
                            115 NM SOUTHWEST QUADRANT
                            085 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 130 DEG/ 04 KTS
    ---
   24 HRS, VALID AT:
   020000Z --- 20.8S 178.6E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT
                            160 NM SOUTHEAST QUADRANT
                            105 NM SOUTHWEST QUADRANT
                            055 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 150 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   021200Z --- 22.0S 179.3E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
                            210 NM SOUTHEAST QUADRANT
                            075 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 145 DEG/ 06 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   030000Z --- 23.0S 180.0E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT
                            215 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            035 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 145 DEG/ 07 KTS
    ---
   72 HRS, VALID AT:
   040000Z --- 25.2S 178.2W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT
                            320 NM SOUTHEAST QUADRANT
                            175 NM SOUTHWEST QUADRANT
                            065 NM NORTHWEST QUADRANT
   VECTOR TO 96 HR POSIT: 135 DEG/ 11 KTS
    ---
   LONG RANGE OUTLOOK:
    ---
   96 HRS, VALID AT:
   050000Z --- 28.2S 174.9W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            370 NM SOUTHEAST QUADRANT
                            155 NM SOUTHWEST QUADRANT
                            115 NM NORTHWEST QUADRANT
   VECTOR TO 120 HR POSIT: 145 DEG/ 09 KTS
    ---
   120 HRS, VALID AT:
   060000Z --- 31.2S 172.4W
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 050 KT WINDS - 000 NM NORTHEAST QUADRANT
                            115 NM SOUTHEAST QUADRANT
                            135 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            255 NM SOUTHEAST QUADRANT
                            175 NM SOUTHWEST QUADRANT
                            155 NM NORTHWEST QUADRANT
    ---
REMARKS:
010300Z POSITION NEAR 19.8S 177.3E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 121 NM
SOUTHWEST OF SUVA, FIJI, HAS TRACKED SOUTH-SOUTHEASTWARD AT 08
KNOTS OVER THE PAST SIX HOURS. RECENT MULTISPECTRAL SATELLITE 
IMAGERY AND A 010001Z GMI 89GHZ IMAGE DEPICT A PARTIALLY COVERED 
LOW LEVEL CIRCULATION CENTER WITH DEEP CONVECTION SHEARED TO THE 
EAST OF CENTER. THE INITIAL POSITION IS BASED ON THE AFOREMENTIONED 
SATELLITE IMAGERY WITH LOW CONFIDENCE DUE TO A BROAD LLCC. THE 
INITIAL INTENSITY ESTIMATE OF 45 KTS IS SLIGHTLY ABOVE KNES AND 
PGTW CURRENT INTENSITY ESTIMATES OF T2.5 (35 KTS) BUT IS MORE IN 
AGREEMENT WITH THE PHFO T3.0 (45 KTS) 00Z FIX, AND IS HEDGED BELOW 
A 311811Z SATCON ESTIMATE OF 50 KTS. TC 18P IS TRACKING 
SOUTHEASTWARD ALONG THE PERIPHERY OF A NEAR-EQUATORIAL STEERING 
RIDGE TO THE NORTH AND EAST. GENERALLY SOUTHEASTWARD MOTION IS 
EXPECTED TO CONTINUE FOR THE NEXT 24 TO 36 HOURS UNDER THE 
CONTINUED STEERING INFLUENCE OF THIS NEAR EQUATORIAL RIDGE. AROUND 
TAU 36, SOME MODELS EXPECT AN EXTENSION OF THE RIDGE TO DEVELOP TO 
THE EAST OF TC 18P AND BRIEFLY PUSH ITS TRACK MORE POLEWARD. TC 18P 
IS SITUATED IN AN AREA OF MODERATE TO SEVERE (20-30 KTS) VERTICAL 
WIND SHEAR WHICH IS BEING OFFSET BY FAVORABLE EQUATORWARD AND 
EASTWARD DIFFLUENT FLOW ALOFT. LIMITED INTENSIFICATION IS 
ANTICIPATED THROUGH TAU 36 AS THE SYSTEM PASSES OVER VERY WARM 
WATER (28-29 DEGREES CELSIUS) AND CONTINUES TO BE INFLUENCED BY 
STRONGLY DIFFLUENT FLOW AND MODERATE VERTICAL WIND SHEAR, WITH A 
PEAK INTENSITY OF 50 KTS AT TAU 12. AFTER TAU 24, THE SYSTEM WILL 
WEAKEN TEMPORARILY AS SEA SURFACE TEMPERATURES COOL AND AN UPPER 
LEVEL TROUGH APPROACHES FROM THE WEST AND AN UPPER LEVEL LOW FORMS 
IN THE VICINITY, SUPPRESSING OUTFLOW AND WEAKENING THE SYSTEM. 
HOWEVER, THE SYSTEM IS EXPECTED TO REINTENSIFY SLIGHTLY AS IT 
ENTERS THE BAROCLINIC ZONE AND TRANSITIONS INTO A SUBTROPICAL 
CYCLONE WITH AN EXPANSIVE WIND FIELD REMOVED FROM THE CENTER WHILE 
MAINTAINING A WARM CORE IN THE EXTENDED FORECAST PERIOD. NUMERICAL 
MODEL GUIDANCE IS IN FAIR AGREEMENT WITH THE OVERALL STEERING 
SCENARIO. DIFFERENCES IN THE DEGREE TO WHICH THE NER TO THE EAST 
AMPLIFIES LEAD TO SPREAD BETWEEN GUIDANCE DEVELOPING IN THE LATER 
TAUS AS SOME MODELS PUSH THE TRACK SLIGHTLY POLEWARD, AND OTHER 
MODELS DO NOT, LENDING HIGH CONFIDENCE TO THE JTWC FORECAST TRACK. 
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010000Z IS 15 FEET. NEXT 
WARNINGS AT 010900Z, 011500Z, 012100Z AND 020300Z.//
=========================================================================
WTPS31 PGTW 010900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 004    
   01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   010600Z --- NEAR 19.9S 177.2E
     MOVEMENT PAST SIX HOURS - 155 DEGREES AT 04 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   REPEAT POSIT: 19.9S 177.2E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   011800Z --- 20.7S 177.9E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
                            060 NM SOUTHEAST QUADRANT
                            035 NM SOUTHWEST QUADRANT
                            045 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 145 DEG/ 05 KTS
    ---
   24 HRS, VALID AT:
   020600Z --- 21.5S 178.5E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
                            085 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            035 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 150 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   021800Z --- 22.7S 179.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            035 NM SOUTHWEST QUADRANT
                            025 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 150 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   030600Z --- 24.0S 179.8W
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 72 HR POSIT: 145 DEG/ 06 KTS
    ---
   72 HRS, VALID AT:
   040600Z --- 26.0S 178.3W
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
010900Z POSITION NEAR 20.1S 177.4E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 128 NM SOUTH-
SOUTHWEST OF SUVA, FIJI, HAS TRACKED SOUTH-SOUTHEASTWARD AT 04
KNOTS OVER THE PAST SIX HOURS. THE FINAL FRAMES OF ANIMATED MULTI-
SPECTRAL SATELLITE IMAGERY (MSI) DEPICTED CURVED BANDING WRAPPING 
INTO A LOW LEVEL CIRCULATION CENTER ALONG THE WESTERN EDGE OF THE 
CENTRAL DEEP CONVECTION. AN APPROACHING SHORT-WAVE TROUGH HAS 
LIMITED THE OUTFLOW TO THE WEST, PARTIALLY EXPOSING THE SURFACE FLOW 
AND INCREASING THE VERTICAL WIND SHEAR (VWS), WHICH IS NOW ESTIMATED 
TO BE AROUND 30 KNOTS. THE INITIAL POSITION IS BASED ON THE ANIMATED 
MSI AND THE PGTW FIX WITH FAIR CONFIDENCE. THE INITIAL 
INTENSITY WAS LOWERED TO 40 KNOTS, WITH DVORAK CURRENT INTENSITY 
ESTIMATES RANGING FROM 2.0 TO 2.5 (30 TO 35 KNOTS) FROM PGTW AND 
KNES, WITH DATA-T NUMBERS COMING DOWN SLIGHTLY. WHILE AUTOMATED 
FIXES REMAIN HIGHER AT 45 TO 50 KNOTS, OBSERVATIONS IN THE AREA DO 
NOT APPEAR TO SUPPORT THE HIGHER VALUES. JOSIE IS TRACKING 
SOUTHEASTWARD UNDER THE STEERING INFLUENCE OF A SUB-TROPICAL RIDGE 
TO THE NORTHEAST. SHIPS INTENSITY OUTPUT INDICATES VWS SHOULD 
CONTINUE TO INCREASE, MAKING FURTHER INTENSIFICATION UNLIKELY. THE 
FORECAST WAS MAINTAINED OUT TO 72 HOURS, AT WHICH POINT 18P IS 
EXPECTED TO BECOME SUB-TROPICAL, HOWEVER, DISSIPATION BELOW 35 KNOTS 
IS EXPECTED BY TAU 48. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 
15 FEET. NEXT WARNINGS AT 011500Z, 012100Z, 020300Z AND 020900Z.
=========================================================================
SUBJ: TROPICAL CYCLONE 18P (JOSIE) WARNING NR 005
WTPS31 PGTW 011500
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 005
01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
011200Z --- NEAR 20.0S 177.3E
MOVEMENT PAST SIX HOURS - 135 DEGREES AT 03 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
REPEAT POSIT: 20.0S 177.3E
---
FORECASTS:
12 HRS, VALID AT:
020000Z --- 20.8S 178.0E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 150 DEG/ 07 KTS
---
24 HRS, VALID AT:
021200Z --- 22.0S 178.8E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
120 NM SOUTHEAST QUADRANT
075 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 150 DEG/ 09 KTS
---
36 HRS, VALID AT:
030000Z --- 23.5S 179.7E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
140 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 150 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
031200Z --- 24.7S 179.6W
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
190 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 140 DEG/ 07 KTS
---
72 HRS, VALID AT:
041200Z --- 26.7S 177.7W
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
011500Z POSITION NEAR 20.2S 177.5E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 130 NM SOUTH-
SOUTHWEST OF SUVA, FIJI, HAS TRACKED SOUTHEASTWARD AT 03 KNOTS
OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED (EIR) IMAGERY
DEPICTS AN INCREASINGLY ASYMMETRIC CENTRAL DENSE OVERCAST
OBSCURING A LOW LEVEL CIRCULATION CENTER. A 011321Z GPM 36 GHZ IMAGE
REVEALS CURVED BANDING FEATURES WITH DEEP CONVECTION CONSTRAINED TO THE
EAST AND SOUTH OF THE LLC. THE INITIAL POSITION IS BASED ON A DEFINED
CENTER IN THE AFOREMENTIONED GPM IMAGE. THE INITIAL INTENSITY IS HELD AT
40 KNOTS, WHICH IS AN AVERAGE OF AGENCY DVORAK CURRENT INTENSITIES OF 30-45
KNOTS, WITH AUTOMATED ADVANCED DVORAK TECHNIQUE YIELDING 40 KTS. UNFORTUNATELY
BOTH ASCAT AND OSCAT PASSES MISSED THE CIRCULATION. ENVIRONMENTAL ANALYSIS INDICATES
A SHORTWAVE TROUGH OVERHEAD IS IMPINGING ON THE WESTWARD OUTFLOW AND PROVIDING HIGH
(30 KNOT) VERTICAL WIND SHEAR (VWS), HOWEVER, ROBUST OUTFLOW TO THE EAST IS
PARTIALLY COMPENSATING. SEA SURFACE TEMPERATURES ARE A FAVORABLE 28 DEGREES CELSIUS.
JOSIE IS TRACKING SOUTHEASTWARD UNDER THE STEERING INFLUENCE OF A SUB-TROPICAL
RIDGE TO THE NORTHEAST. SHIPS ANALYSIS INDICATES VWS SHOULD CONTINUE TO INCREASE
THROUGHOUT THE FORECAST. FORECAST INTENSITIES SHOW A SLOW WEAKENING TREND AS PARTIALLY
OFFSETS THE EFFECTS OF THE VWS. GLOBAL MODELS INDICATE 18P WILL BEGIN TRANSITIONING
TO A SUB-TROPICAL CYCLONE AFTER TAU 48 AS THERMAL ADVECTION BECOMES MORE PRONOUNCED.
THE FORECAST CALLS FOR INCREASING VWS TO FINALLY RESULT IN DISSIPATION BY TAU 72, WHICH
IS APPROXIMATELY THE SAME TIME THE SUB-TROPICAL TRANSITION IS EXPECTED TO COMPLETE. THE
FORECAST CALLS FOR DISSIPATION OVER WATER, HOWEVER, SOME MODELS INDICATE RE-STRENGTHENING
AFTER THE SUB-TROPICAL TRANSITION. DUE TO UNCERTAINTY IN THE EXACT TIMING OF DISSIPATION,
IT IS POSSIBLE THAT THE SUB-TROPICAL TRANSITION SCENARIO MAY PREVAIL.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 011200Z IS 15 FEET. NEXT
WARNINGS AT 020300Z AND 021500Z. 
=========================================================================
WTPS31 PGTW 012100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 006    
   01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   011800Z --- NEAR 19.7S 177.8E
     MOVEMENT PAST SIX HOURS - 060 DEGREES AT 04 KTS
     POSITION ACCURATE TO WITHIN 040 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
                            095 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            090 NM NORTHWEST QUADRANT
   REPEAT POSIT: 19.7S 177.8E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   020600Z --- 20.2S 178.8E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
                            210 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 160 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   021800Z --- 21.9S 179.5E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
                            200 NM SOUTHEAST QUADRANT
                            095 NM SOUTHWEST QUADRANT
                            110 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 150 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   030600Z --- 23.1S 179.8W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 175 NM NORTHEAST QUADRANT
                            235 NM SOUTHEAST QUADRANT
                            135 NM SOUTHWEST QUADRANT
                            050 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 150 DEG/ 06 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   031800Z --- 24.2S 179.1W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
                            320 NM SOUTHEAST QUADRANT
                            175 NM SOUTHWEST QUADRANT
                            060 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 140 DEG/ 07 KTS
    ---
   72 HRS, VALID AT:
   041800Z --- 26.3S 177.0W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT
                            365 NM SOUTHEAST QUADRANT
                            210 NM SOUTHWEST QUADRANT
                            140 NM NORTHWEST QUADRANT
    ---
REMARKS:
012100Z POSITION NEAR 19.8S 178.1E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 102 NM SOUTH-
SOUTHWEST OF SUVA, FIJI, HAS TRACKED EAST-NORTHEASTWARD AT 04
KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED (EIR) 
IMAGERY DEPICTS AN INCREASINGLY ASYMMETRIC CENTRAL DENSE OVERCAST 
BEING SHEARED TO THE EAST, OBSCURING A LOW LEVEL CIRCULATION CENTER 
(LLCC). A 011732Z SSMIS 91 GHZ IMAGE REVEALS LOW-LEVEL BANDING 
FEATURES TO THE WEST OF FLARING DEEP CONVECTION TO THE EAST. THE 
INITIAL POSITION IS BASED ON THE AFOREMENTIONED SSMIS IMAGE WITH 
FAIR CONFIDENCE. THE INITIAL INTENSITY IS SET AT 35 KNOTS, WHICH IS 
IN AGREEMENT WITH THE PHFO AND KNES DVORAK CURRENT INTENSITY 
ESTIMATES OF T2.5 (35 KTS), AND SLIGHTLY ABOVE THE PGTW ESTIMATE OF 
T2.0 (30 KTS). ENVIRONMENTAL ANALYSIS INDICATES THAT A SHORTWAVE 
TROUGH ALOFT IS IMPINGING ON THE WESTWARD OUTFLOW AND PROVIDING HIGH 
(25-40 KNOT) VERTICAL WIND SHEAR (VWS). DRY AIR IS BEGINNING TO WRAP 
INTO THE SYSTEM, CONTRIBUTING TO THE RECENT WEAKENING. HOWEVER, 
ROBUST BUT DIMINISHING OUTFLOW TO THE EAST IS PARTIALLY COMPENSATING 
AND STILL SUPPORTING SOME CONVECTION ON THE EASTERN SIDE OF THE 
SYSTEM. SEA SURFACE TEMPERATURES ARE A FAVORABLE 28 DEGREES CELSIUS, 
DECREASING TO THE SOUTH. AN AMSU CROSS-SECTION REVEALS A BURGEONING 
MID-TROPOSPHERIC COLD ANOMALY SANDWICHED BETWEEN LOW-LEVEL AND UPPER-
LEVEL WARM ANOMALIES, WHICH IS SOMEWHAT CHARACTERISTIC OF A 
SUBTROPICAL SYSTEM. TC 18P RECENTLY MADE A SLIGHT TRACK DEVIATION 
TOWARD THE NORTHEAST UNDER THE STEERING INFLUENCE OF A SUB-TROPICAL 
RIDGE THAT IS RECEDING TO THE EAST, BUT A TURN BACK TOWARD THE 
SOUTHEAST IS EXPECTED. THE JTWC INTENSITY FORECAST PREDICTS THAT THE 
SYSTEM WILL MAINTAIN A MARGINAL 35-KT INTENSITY AS THE UPPER LEVEL 
TROUGH SUPPRESSES DIVERGENCE ALOFT AND VWS INCREASES ALONG THE 
FORECAST TRACK DUE TO A MID-LATITUDE JET TO THE SOUTH. GLOBAL MODELS 
ARE IN AGREEMENT THAT TC 18P WILL CONTINUE TO TRACK EAST THEN 
SOUTHEASTWARD. THE TRANSITION SCENARIO TO SUBTROPICAL STORM AFTER 
TAU 48 NOW APPEARS TO BE FAVORED BY NUMERICAL MODEL GUIDANCE AS AN 
UPPER-LEVEL LOW DEVELOPS OVER THE SYSTEM AND THERMAL ADVECTION 
BECOMES MORE PRONOUNCED, RESULTING IN AN EXPANDED WIND FIELD. THE 
FLORIDA STATE UNIVERSITY CYCLONE PHASE SPACE PREDICTS THE SYSTEM 
WILL REMAIN WARM CORE BUT BECOME MORE ASYMMETRIC, WHICH SUGGESTS A 
MORE SUBTROPICAL VICE EXTRATROPICAL TRANSITION. SLIGHT 
INTENSIFICATION TOWARD THE LATTER PORTION OF THE FORECAST DURING 
SUBTROPICAL TRANSITION IS EXPECTED THROUGH TAU 72. DUE TO LOW SPREAD 
IN THE MULTI-MODEL CONSENSUS, THERE IS HIGH CONFIDENCE IN THE JTWC 
FORECAST TRACK. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 011800Z IS 20 
FEET. NEXT WARNINGS AT 020300Z, 020900Z, 021500Z AND 022100Z.//
=========================================================================
WTPS31 PGTW 020300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 007    
   01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   020000Z --- NEAR 20.8S 178.4E
     MOVEMENT PAST SIX HOURS - 155 DEGREES AT 12 KTS
     POSITION ACCURATE TO WITHIN 050 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            100 NM SOUTHWEST QUADRANT
                            015 NM NORTHWEST QUADRANT
   REPEAT POSIT: 20.8S 178.4E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   021200Z --- 21.9S 179.4E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            195 NM SOUTHEAST QUADRANT
                            120 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 150 DEG/ 07 KTS
    ---
   24 HRS, VALID AT:
   030000Z --- 23.2S 179.8W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
                            225 NM SOUTHEAST QUADRANT
                            120 NM SOUTHWEST QUADRANT
                            050 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 150 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   031200Z --- 24.4S 179.0W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT
                            280 NM SOUTHEAST QUADRANT
                            175 NM SOUTHWEST QUADRANT
                            080 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 140 DEG/ 07 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   040000Z --- 25.5S 178.0W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT
                            365 NM SOUTHEAST QUADRANT
                            215 NM SOUTHWEST QUADRANT
                            105 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 140 DEG/ 09 KTS
    ---
   72 HRS, VALID AT:
   050000Z --- 28.1S 175.3W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT
                            300 NM SOUTHEAST QUADRANT
                            210 NM SOUTHWEST QUADRANT
                            185 NM NORTHWEST QUADRANT
    ---
REMARKS:
020300Z POSITION NEAR 21.1S 178.7E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 162 NM SOUTH
OF SUVA, FIJI, HAS TRACKED SOUTH-SOUTHEASTWARD AT 12 KNOTS OVER
THE PAST SIX HOURS. ANIMATED MULTISPECTRAL IMAGERY DEPICTS AN 
ASYMMETRIC CENTRAL DENSE OVERCAST BEING SHEARED TO THE EAST, 
OBSCURING A LOW LEVEL CIRCULATION CENTER (LLCC). A 011855Z SSMIS 91 
GHZ IMAGE REVEALS LOW-LEVEL BANDING FEATURES TO THE WEST OF FLARING 
DEEP CONVECTION TO THE EAST. THE INITIAL POSITION IS BASED ON THE 
AFOREMENTIONED SSMIS IMAGE WITH FAIR CONFIDENCE. THE INITIAL 
INTENSITY IS SET AT 35 KNOTS BASED ON A 012149Z ASCAT PASS SHOWING 
PATCHES OF 35 KT WIND BARBS TO THE NORTHEAST AND TO THE SOUTH, WITH 
THE AREA OF HIGHER WINDS TO THE SOUTH 75NM REMOVED FROM THE CENTER. 
THIS INTENSITY ESTIMATE IS ABOVE THE 010000Z PGTW FIX OF CURRENT 
INTENSITY T2.0 (30 KTS), BUT IN AGREEMENT WITH RECENT KNES AND NFFN 
FIXES OF T2.5 (35 KTS). ENVIRONMENTAL ANALYSIS INDICATES THAT A 
SHORTWAVE TROUGH HAS MOVED INTO THE REGION FROM THE WEST, PROVIDING 
HIGH (25-40 KNOT) VERTICAL WIND SHEAR (VWS). MODERATE OUTFLOW TO 
THE EAST IS STILL SUPPORTING SOME CONVECTION ON THE EASTERN SIDE OF 
THE SYSTEM. SEA SURFACE TEMPERATURES ARE A FAVORABLE 27 DEGREES 
CELSIUS, DECREASING TO THE SOUTH. TC 18P HAS MADE THE EXPECTED TURN 
BACK TO THE SOUTHEAST ALONG THE SOUTHWESTERN PERIPHERY OF A NEAR-
EQUATORIAL RIDGE TO THE NORTHEAST. THE JTWC INTENSITY FORECAST 
PREDICTS THAT THE SYSTEM WILL MAINTAIN A MARGINAL 35-KT INTENSITY 
AS THE UPPER LEVEL TROUGH SUPPRESSES DIVERGENCE ALOFT AND VWS 
INCREASES ALONG THE FORECAST TRACK DUE TO A MID-LATITUDE JET TO THE 
SOUTH. GLOBAL MODELS ARE IN AGREEMENT THAT TC 18P WILL CONTINUE TO 
TRACK SOUTHEASTWARD AS AN UPPER LEVEL LOW FORMS OVER TC 18P AND THE 
SYSTEM TRANSITIONS INTO A SUBTROPICAL STORM WITH AN EXPANDED, 
ASYMMETRIC WIND FIELD. THE FLORIDA STATE UNIVERSITY CYCLONE PHASE 
SPACE CONTINUES TO INDICATE THAT THE SYSTEM WILL REMAIN WARM CORE 
BUT BECOME MORE ASYMMETRIC, THUS SUGGESTING A MORE SUBTROPICAL VICE 
EXTRATROPICAL TRANSITION. SLIGHT INTENSIFICATION TOWARD THE LATTER 
PORTION OF THE FORECAST DURING SUBTROPICAL TRANSITION IS EXPECTED 
THROUGH TAU 72. DUE TO LOW SPREAD IN THE MULTI-MODEL CONSENSUS, 
THERE IS HIGH CONFIDENCE IN THE JTWC FORECAST TRACK. MAXIMUM 
SIGNIFICANT WAVE HEIGHT AT 020000Z IS 22 FEET. NEXT WARNINGS AT 
020900Z, 021500Z, 022100Z AND 030300Z.//
=========================================================================
WTPS31 PGTW 020900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 008    
   02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   020600Z --- NEAR 21.1S 178.4E
     MOVEMENT PAST SIX HOURS - 180 DEGREES AT 03 KTS
     POSITION ACCURATE TO WITHIN 045 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT
                            105 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            045 NM NORTHWEST QUADRANT
   REPEAT POSIT: 21.1S 178.4E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   021800Z --- 22.2S 179.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
                            175 NM SOUTHEAST QUADRANT
                            120 NM SOUTHWEST QUADRANT
                            050 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 150 DEG/ 07 KTS
    ---
   24 HRS, VALID AT:
   030600Z --- 23.4S 179.9W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT
                            235 NM SOUTHEAST QUADRANT
                            130 NM SOUTHWEST QUADRANT
                            090 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 145 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   031800Z --- 24.6S 179.0W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT
                            285 NM SOUTHEAST QUADRANT
                            170 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 140 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   040600Z --- 25.8S 177.8W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT
                            375 NM SOUTHEAST QUADRANT
                            205 NM SOUTHWEST QUADRANT
                            115 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 140 DEG/ 09 KTS
    ---
   72 HRS, VALID AT:
   050600Z --- 28.4S 175.1W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
                            285 NM SOUTHEAST QUADRANT
                            215 NM SOUTHWEST QUADRANT
                            180 NM NORTHWEST QUADRANT
    ---
REMARKS:
020900Z POSITION NEAR 21.4S 178.6E.
TROPICAL CYCLONE (TC) 18P (JOSIE), LOCATED APPROXIMATELY 180 NM SOUTH
OF SUVA, FIJI, HAS TRACKED SOUTHWARD AT 03 KNOTS OVER THE PAST
SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY SHOWS THE
REMAINING DEEP CONVECTION ASSOCIATED WITH TC 18P HAS BEEN SHEARED TO
THE EAST OF THE LOW LEVEL CIRCULATION CENTER (LLCC). THE INITIAL
POSITION IS BASED ON A 020600Z HIMAWARI INFRARED SATELLITE IMAGE
WHICH SHOWS THE PARTIALLY EXPOSED LLCC LOCATED TO THE WEST OF THE
DEEPEST CONVECTION. THE INITIAL INTENSITY OF 35 KNOTS IS BASED ON
DVORAK INTENSITY ESTIMATES OF T2.5 (35 KNOTS) FROM KNES AND PGTW.
UPPER LEVEL ANALYSIS SHOWS UNFAVORABLE VERTICAL WIND SHEAR (30 TO 40
KNOTS) WHICH CONTINUES TO DISPLACE THE LLCC FROM THE DEEP CONVECTION.
TC 18P ALSO HAS MODERATE POLEWARD OUTFLOW WHICH WILL LEAD TO A SLIGHT
INTENSIFICATION. SEA SURFACE TEMPERATURES ARE FAVORABLE FOR
DEVELOPMENT, NEAR 28 DEGREES CELSIUS. HOWEVER, TC 18P WILL ENCOUNTER
COOLER SEA SURFACE TEMPERATURES AS IT CONTINUES TO TRACK
SOUTHEASTWARD. THE COMBINATION OF THESE FACTORS WILL ALLOW FOR TC 18P
TO MAINTAIN AN INTENSITY OF 35 TO 40 KNOTS FOR THE REST OF THE
FORECAST PERIOD. TC 18P IS TRACKING SOUTHEASTWARD AROUND THE
NEAR-EQUATORIAL RIDGE (NER) LOCATED TO THE NORTHEAST. AS TC 18P
TRACKS SOUTHEASTWARD IT WILL BEGIN SUBTROPICAL TRANSITION BY TAU 48
AND BECOME COMPLETELY SUBTROPICAL BY TAU 72. DYNAMIC MODEL GUIDANCE
SHOWS A GENERAL SOUTHEASTWARD TRACK AND IS IN FAIRLY GOOD AGREEMENT.
THEREFORE, THERE IS HIGH CONFIDENCE IN THE JTWC FORECAST TRACK WHICH
IS PLACED NEAR THE MULTI-MODEL CONSENSUS. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 020600Z IS 18 FEET. NEXT WARNINGS AT 021500Z, 022100Z,
030300Z AND 030900Z. REFER TO TROPICAL CYCLONE 17P (IRIS) WARNINGS
(WTPS32 PGTW) FOR SIX-HOURLY UPDATES.//
=========================================================================
SUBJ: TROPICAL CYCLONE 18P (JOSIE) WARNING NR 009
WTPS31 PGTW 021500
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 009
02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
021200Z --- NEAR 21.4S 178.5E
MOVEMENT PAST SIX HOURS - 165 DEGREES AT 03 KTS
POSITION ACCURATE TO WITHIN 045 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 095 NM NORTHEAST QUADRANT
135 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
REPEAT POSIT: 21.4S 178.5E
---
FORECASTS:
12 HRS, VALID AT:
030000Z --- 22.4S 179.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
180 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 145 DEG/ 08 KTS
---
24 HRS, VALID AT:
031200Z --- 23.7S 179.8W
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT
235 NM SOUTHEAST QUADRANT
075 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 135 DEG/ 08 KTS
---
36 HRS, VALID AT:
040000Z --- 24.8S 178.6W
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT
265 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 130 DEG/ 08 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
041200Z --- 25.8S 177.2W
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING SUBTROPICAL
RADIUS OF 034 KT WINDS - 185 NM NORTHEAST QUADRANT
365 NM SOUTHEAST QUADRANT
120 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 140 DEG/ 10 KTS
---
72 HRS, VALID AT:
051200Z --- 28.7S 174.2W
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
SUBTROPICAL
RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
255 NM SOUTHEAST QUADRANT
200 NM SOUTHWEST QUADRANT
160 NM NORTHWEST QUADRANT
---
REMARKS:
021500Z POSITION NEAR 21.7S 178.7E.
TROPICAL CYCLONE (TC) 18P (JOSIE), LOCATED APPROXIMATELY 198 NM SOUTH
OF SUVA, FIJI, HAS TRACKED SOUTH-SOUTHEASTWARD AT 03 KNOTS OVER
THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 021200Z IS 18 FEET. NEXT
WARNINGS AT 022100Z, 030300Z, 030900Z AND 031500Z.
REFER TO TROPICAL CYCLONE 17P (IRIS) WARNINGS (WTPS32 PGTW)
FOR SIX-HOURLY UPDATES.// 
=========================================================================
WTPS31 PGTW 022100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 010    
   02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   021800Z --- NEAR 21.5S 178.8E
     MOVEMENT PAST SIX HOURS - 110 DEGREES AT 03 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
                            195 NM SOUTHEAST QUADRANT
                            095 NM SOUTHWEST QUADRANT
                            110 NM NORTHWEST QUADRANT
   REPEAT POSIT: 21.5S 178.8E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   030600Z --- 22.5S 179.7E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT
                            235 NM SOUTHEAST QUADRANT
                            090 NM SOUTHWEST QUADRANT
                            060 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 130 DEG/ 07 KTS
    ---
   24 HRS, VALID AT:
   031800Z --- 23.4S 179.1W
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
                            230 NM SOUTHEAST QUADRANT
                            100 NM SOUTHWEST QUADRANT
                            065 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 135 DEG/ 06 KTS
    ---
   36 HRS, VALID AT:
   040600Z --- 24.3S 178.1W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT
                            275 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            045 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 135 DEG/ 10 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   041800Z --- 25.8S 176.5W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
                            370 NM SOUTHEAST QUADRANT
                            175 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
    ---
REMARKS:
022100Z POSITION NEAR 21.8S 179.0E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 205 NM SOUTH
OF SUVA, FIJI, HAS TRACKED EAST-SOUTHEASTWARD AT 03 KNOTS OVER
THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED (EIR) SATELLITE 
IMAGERY SHOWS AN EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) WITH 
DEEP CONVECTION SHEARED OVER 100 NM TO THE EAST. THE INITIAL 
POSITION IS BASED ON ANIMATED EIR WITH GOOD CONFIDENCE. THE INITIAL 
INTENSITY OF 40 KNOTS IS BASED ON THE AFOREMENTIONED ASCAT IMAGE. 
UPPER LEVEL ANALYSIS SHOWS UNFAVORABLE VERTICAL WIND SHEAR (30 TO 40 
KNOTS) WHICH CONTINUES TO DISPLACE THE LLCC FROM THE DEEP 
CONVECTION. TC 18P ALSO HAS MODERATE POLEWARD OUTFLOW WHICH WILL 
LEAD TO A SLIGHT INTENSIFICATION BY TAU 24. SEA SURFACE TEMPERATURES 
ARE FAVORABLE FOR DEVELOPMENT, NEAR 28 DEGREES CELSIUS. HOWEVER, TC 
18P WILL ENCOUNTER COOLER SEA SURFACE TEMPERATURES AS IT CONTINUES 
TO TRACK SOUTHEASTWARD. THE COMBINATION OF THESE FACTORS WILL CAUSE 
18P TO TRANSITION INTO A SUBTROPICAL SYSTEM STARTING BY TAU 12 AND 
BECOME COMPLETELY SUBTROPICAL BY TAU 72. DYNAMIC MODEL GUIDANCE 
SHOWS A GENERAL SOUTHEASTWARD TRACK AND IS IN FAIRLY GOOD 
AGREEMENT. THEREFORE, THERE IS HIGH CONFIDENCE IN THE JTWC FORECAST 
TRACK WHICH IS PLACED NEAR THE MULTI-MODEL CONSENSUS. MAXIMUM 
SIGNIFICANT WAVE HEIGHT AT 021800Z IS 19 FEET. NEXT WARNINGS AT 
030300Z, 030900Z, 031500Z AND 032100Z. REFER TO TROPICAL CYCLONE 17P 
(IRIS) WARNINGS (WTPS32 PGTW) FOR SIX-HOURLY UPDATES.//
=========================================================================
WTPS31 PGTW 030300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 011    
   02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   030000Z --- NEAR 21.7S 179.2E
     MOVEMENT PAST SIX HOURS - 120 DEGREES AT 04 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
                            215 NM SOUTHEAST QUADRANT
                            095 NM SOUTHWEST QUADRANT
                            115 NM NORTHWEST QUADRANT
   REPEAT POSIT: 21.7S 179.2E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   031200Z --- 22.7S 179.7W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 175 NM NORTHEAST QUADRANT
                            260 NM SOUTHEAST QUADRANT
                            085 NM SOUTHWEST QUADRANT
                            025 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 130 DEG/ 07 KTS
    ---
   24 HRS, VALID AT:
   040000Z --- 23.6S 178.5W
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT
                            335 NM SOUTHEAST QUADRANT
                            100 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 125 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   041200Z --- 24.5S 177.0W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
                            435 NM SOUTHEAST QUADRANT
                            155 NM SOUTHWEST QUADRANT
                            025 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 130 DEG/ 12 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   050000Z --- 26.0S 174.9W
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
                            415 NM SOUTHEAST QUADRANT
                            195 NM SOUTHWEST QUADRANT
                            075 NM NORTHWEST QUADRANT
    ---
REMARKS:
030300Z POSITION NEAR 22.0S 179.5E.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 221 NM SOUTH-
SOUTHEAST OF SUVA, FIJI, HAS TRACKED EAST-SOUTHEASTWARD AT 04
KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED MUTLI-SPECTRAL 
(MSI) SATELLITE IMAGERY SHOWS AN EXPOSED LOW LEVEL CIRCULATION 
CENTER (LLCC) WITH DEEP CONVECTION SHEARED 80 NM TO THE SOUTHEAST. 
THE INITIAL POSITION IS BASED ON THE EXPOSED LOW LEVEL FEATURE IN 
THE MSI LOOP WITH HIGH CONFIDENCE. THE INITIAL INTENSITY OF 40 KNOTS 
IS BASED ON EXTRAPOLATION FROM A 022129Z METOP-A ASCAT PASS THAT 
SHOWED 40 KNOT WIND BARBS IN THE SOUTHEAST QUADRAT WHICH IS SLIGHTLY 
ABOVE MULTI-AGENCY DVORAK CURRENT INTENSITY ESTIMATES RANGING FROM 
T2.0 TO T2.5 FROM KNES AND PGTW RESPECTIVELY. UPPER LEVEL ANALYSIS 
SHOWS THE SYSTEM HAS A POLEWARD OUTFLOW CHANNEL. ENVIRONMENTAL 
ANALYSIS SHOWS THAT 17P IS IN AN AREA OF HIGH (30 TO 40 KNOTS) 
VERTICAL WIND SHEAR AND IS TRACKING THROUGH AN AREA OF WARM (28 
CELSIUS) SEA SURFACE TEMPERATURES. THE HIGH VERTICAL WIND SHEAR IS 
CAUSING THE CONVECTION TO DISPLACE TO THE SOUTHEAST. TC 18P WILL 
CONTINUE TO TRACK TO THE SOUTHEAST WHERE IT WILL ENCOUNTER COOLER 
SEA SURFACE TEMPERATURES AND PERSISTENT UNFAVORABLE SHEAR. THE 
COMBINATION OF THESE FACTORS WILL CAUSE 18P TO BEGIN TO TRANSITION 
INTO A SUBTROPICAL SYSTEM BY TAU 12 AND BECOME COMPLETELY 
SUBTROPICAL BY TAU 48. AVAILABLE DYNAMIC MODEL GUIDANCE IS IN 
GENERALLY GOOD AGREEMENT THAT THE SYSTEM WILL TRACK TO THE 
SOUTHEAST FOR THE DURATION OF THE FORECAST PERIOD. DUE TO THE GOOD 
AGREEMENT AMONG THE MODELS, THERE IS OVERALL HIGH CONFIDENCE IN THE 
JTWC FORECAST TRACK. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 030000Z IS 
20 FEET. NEXT WARNINGS AT 030900Z, 031500Z, 032100Z AND 040300Z.
REFER TO TROPICAL CYCLONE 17P (IRIS) WARNINGS (WTPS32 PGTW)
FOR SIX-HOURLY UPDATES.//
=========================================================================
WTPS31 PGTW 030900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 18P (JOSIE) WARNING NR 012    
   02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   030600Z --- NEAR 22.8S 179.6W
     MOVEMENT PAST SIX HOURS - 135 DEGREES AT 16 KTS
     POSITION ACCURATE TO WITHIN 020 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT
                            250 NM SOUTHEAST QUADRANT
                            140 NM SOUTHWEST QUADRANT
                            110 NM NORTHWEST QUADRANT
   REPEAT POSIT: 22.8S 179.6W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   031800Z --- 24.4S 177.7W
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
030900Z POSITION NEAR 23.2S 179.1W.
TROPICAL CYCLONE 18P (JOSIE), LOCATED APPROXIMATELY 304 NM SOUTH-
SOUTHEAST OF SUVA, FIJI, HAS TRACKED SOUTHEASTWARD AT 16 KNOTS OVER
THE PAST SIX HOURS. ANIMATED MSI SHOWS A RAGGED AND FULLY EXPOSED LLC
WITH FLARING CONVECTION SHEARED TO THE EASTERN FLANK. THE INITIAL
POSITION IS BASED WITH HIGH CONFIDENCE ON THE LLC IN THE MSI LOOP AND
MATCHES THE LOW REFLECTIVITY CIRCULATION FEATURE IN THE 030552Z
SSMIS MICROWAVE PASS. THE INITIAL INTENSITY IS HEDGED HIGHER THAN
DVORAK INTENSITY ESTIMATES RANGING FROM 25-30 KNOTS TO ACCOUNT FOR
THE SUSTAINED LLC STRUCTURE. TC 18P HAS ACCELERATED INTO AN AREA OF
HIGH (GREATER THAN 30-KNOT) VWS. CONCURRENTLY, THE CYCLONE IS RAPIDLY
BECOMING SUBTROPICAL AS EVIDENCED BY ITS EXPANDING WIND FIELD AND
ASYMMETRIC PROFILE. THE CYCLONE IS EXPECTED TO CONTINUE ALONG ITS
TRACK AND DEEPER INTO HIGHER VWS AREA. IN VIEW OF THIS, TC JOSIE IS
EXPECTED TO DISSIPATE AND BECOME SUBTROPICAL BY TAU 12 OR SOONER.
THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN
PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF
REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 030600Z IS 12 FEET.
REFER TO TROPICAL CYCLONE 17P (IRIS) WARNINGS (WTPS32 PGTW) FOR
SIX-HOURLY UPDATES.//

Tropical cyclone tracks developed by Michael Bath using operational warnings and advisories.


Document: tropical_cyclone_josie_jtwc_advisories.htm
Updated: 17 June 2020
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