Tropical Cyclones
[Index]
Monthly Global Tropical Cyclone Tracks May 2025
[Summaries and Track Data] [Prepared by Steve Young]

                 Global Tropical System Tracks - May 2025



The following Tropical System tracks are compiled from various centers, but 
unless otherwise cited, the data is from the Naval Research Laboratory (NRL) 
or from a reanalysis using GRADS. NCEP Reanalysis data provided by the 
NOAA/OAR/ESRL PSD, Boulder, Colorado, USA, from their Web site at 
http://www.esrl.noaa.gov/psd/.

The data usually does not match the information from the advisories, but is 
closer to the Best Track data. However official Best Track data should
be considered the final and official tracks. The data also includes 
Investigation areas as well as pre- and post-advisory information

=== MED ===
No Systems tracked
                                    
=== S. ATLANTIC ===
No Systems tracked

                                    
=== N. ATLANTIC===                                    
No Systems tracked

                                    
== E. PACIFIC ===                                    
System: ALVIN                         Invest:90E        TD# 01E
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
90E 01E          ALVIN  230526 0000   +10.0    -96.4     20   ----    B
90E 01E          ALVIN  230526 0600   +10.4    -97.3     20   ----    B
90E 01E          ALVIN  230526 1200   +10.8    -98.0     20   ----    B
90E 01E          ALVIN  230526 1800   +11.2    -98.7     20   1009    B
90E 01E          ALVIN  230527 0000   +11.3    -99.5     20   1009    B
90E 01E          ALVIN  230527 0600   +11.4   -100.2     20   1009    B
90E 01E          ALVIN  230527 1200   +12.1   -101.2     20   1009    B
90E 01E          ALVIN  230527 1800   +12.7   -101.5     20   1008    B
90E 01E          ALVIN  230528 0000   +12.8   -102.2     20   1008    B
90E 01E          ALVIN  230528 0600   +12.9   -103.1     20   1008    B
90E 01E          ALVIN  230528 1200   +12.4   -103.7     20   1008    B
90E 01E          ALVIN  230528 1800   +11.5   -104.4     30   1006    D
90E 01E          ALVIN  230529 0000   +12.4   -104.6     30   1006    D
90E 01E          ALVIN  230529 0600   +13.0   -105.6     30   1006    D
90E 01E          ALVIN  230529 1200   +13.7   -106.2     30   1006    D
90E 01E          ALVIN  230529 1800   +14.6   -106.8     45   1002    T
90E 01E          ALVIN  230530 0000   +15.5   -107.6     50   1000    T
90E 01E          ALVIN  230530 0600   +16.1   -108.2     45   1000    T
90E 01E          ALVIN  230530 1200   +17.0   -108.6     45   1001    T
90E 01E          ALVIN  230530 1800   +17.7   -108.9     45   1001    T
90E 01E          ALVIN  230531 0000   +18.7   -109.0     40   1003    T
90E 01E          ALVIN  230531 0600   +19.6   -109.2     35   1005    T
90E 01E          ALVIN  230531 1200   +20.4   -109.5     30   1006    L
90E 01E          ALVIN  230531 1800   +21.2   -109.8    ---   1008    L
90E 01E          ALVIN  230601 0000   +23.    -109.     ---   1007    L    HPC
90E 01E          ALVIN  230601 0600   +22.3   -109.4    ---   1009    L    HPC
90E 01E          ALVIN  230601 1200   +24.0   -110.0    ---   1009    L
90E 01E          ALVIN  230601 1800                     ---   1010    L

=== C. PACIFIC ===                                    
No Systems tracked


                                    
=== W. PACIFIC ===
System: INVEST                        Invest:91W        TD# N/A
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
91W             INVEST  250524 0600    +9.6   +119.5     15   1009    B
91W             INVEST  250524 1200    +7.4   +122.0     15   1009    B    RELOCATED FROM (+9.9 +119.0+
91W             INVEST  250524 1800    +7.7   +121.8     15   1009    B
91W             INVEST  250525 0000    +8.0   +121.6     15   1009    B
91W             INVEST  250525 0600    +8.7   +120.8     15   1008    B
91W             INVEST  250525 1200    +9.1   +119.8     15   1008    B
91W             INVEST  250525 1800    +9.4   +116.8     15   1008    B
91W             INVEST  250526 0000    +9.9   +114.3     15   1008    B
91W             INVEST  250526 0600   +10.1   +114.8     15   1008    B    RELOCATED FROM (+10.6 +113.7)
91W             INVEST  250526 1200    +7.9   +114.3     15   1008    B    RELOCATED FROM (+10.3 +114.8)
91W             INVEST  250526 1800    +8.2   +113.6     15   1008    B
91W             INVEST  250527 0000    +8.5   +113.0     15   1008    B
91W             INVEST  250527 0600    +9.0   +112.2     15   1007    B
91W             INVEST  250527 1200    +9.7   +112.5     15   1006    B
91W             INVEST  250527 1800   +10.9   +111.9     15   1006    B
91W             INVEST  250528 0000   +12.2   +111.5     15   1006    B
91W             INVEST  250528 0600   +13.0   +111.1     15   1004    B
91W             INVEST  250528 1200   +13.7   +110.8     15   1004    B
91W             INVEST  250528 1800   +14.2   +111.1     15   1004    B
91W             INVEST  250529 0000   +15.6   +111.2     15   1000    B
91W             INVEST  250529 0600   +17.0   +111.1     15   1003    B
91W             INVEST  250529 1200   +18.1   +111.6     15   1004    B
91W             INVEST  250529 1800   +18.9   +112.0     15   1005    B
91W             INVEST  250530 0000   +19.6   +112.4     15   1005    B
91W             INVEST  250530 0600   +19.9   +112.5     15   1005    B
91W             INVEST  250530 1200   +19.8   +112.5     15   1005    B
91W             INVEST  250530 1800   +19.8   +112.6     15   1006    B
91W             INVEST  250531 0000   +20.2   +113.4     15   1005    B
91W             INVEST  250531 0600   +20.3   +114.2     20   1003    B
91W             INVEST  250531 1200   +20.5   +114.5     20   1004    B
91W             INVEST  250531 1800   +21.0   +115.9     20   1003    B
91W             INVEST  250601 0000   +21.9   +117.0     20   1003    B
91W             INVEST  250601 0600   +22.4   +117.9     20   1003    B
91W             INVEST  250601 1200   +22.8   +119.0     15   1005    B


=== N. INDIAN ===
System: INVEST                        Invest:93A        TD# N/A
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
93A             INVEST  250519 1800   +13.3    +74.8     15   1005    B
93A             INVEST  250520 0000   +13.7    +74.5     15   1005    B
93A             INVEST  250520 0600   +14.1    +74.2     25   1005    D
93A             INVEST  250520 1200   +14.7    +74.0     25   1004    D
93A             INVEST  250520 1800   +15.5    +73.7     25   1004    D
93A             INVEST  250521 0000   +15.9    +73.1     25   1003    D
93A             INVEST  250521 0600   +16.2    +72.6     25   1003    D
93A             INVEST  250521 1200   +16.4    +71.9     25   1000    D
93A             INVEST  250521 1800   +16.8    +72.0     25   1002    D
93A             INVEST  250522 0000   +17.1    +72.2     25   1000    D
93A             INVEST  250522 0600   +17.3    +72.4     25   1000    D
93A             INVEST  250522 1200   +17.3    +72.5     25   1001    D
93A             INVEST  250522 1800   +17.2    +72.7     20   1001    B
93A             INVEST  250523 0000   +17.0    +72.9     20   1001    B    IMD(03Z) +17.2 +72.5 T1.0
93A             INVEST  250523 0600   +16.8    +73.2     20   1000    B
93A             INVEST  250523 1200   +16.9    +73.5     20   1000    B
93A             INVEST  250523 1800   +16.2    +73.4     20    999    B
93A             INVEST  250524 0000   +16.7    +74.1     20    997    B    IMD(00Z)=25KT 998MB (+17.2 +73.0) DEPRESSION
93A             INVEST  250524 0600   +17.1    +75.1     20    999    B    IMD(06Z)=25KT 998MB (+17.2 +73.2) T1.5 DEPRESSION
93A             INVEST  250524 1200   +18.2    +75.7     20    997    B    IMD(12Z)=20KT 998MB (+17.1 +74.3)
93A             INVEST  250524 1800   +18.3    +75.5     15    998    B
93A             INVEST  250525 0000   +17.9    +75.1     15    998    B
93A             INVEST  250525 0600   +17.5    +75.1     15   1000    B
93A             INVEST  250525 1200   +17.3    +75.7     15   1000    B
93A             INVEST  250525 1800   +17.1    +75.9     15   1000    B
93A             INVEST  250526 0000   +18.0    +76.4     15   1000    B


System: INVEST                        Invest:94B        TD# N/A
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
94B             INVEST  250525 1200   +16.8    +91.7     15   1009    B
94B             INVEST  250525 1800   +17.5    +91.0     15   1009    B
94B             INVEST  250526 0000   +18.0    +90.2     15   1009    B
94B             INVEST  250526 0600   +18.3    +89.6     15   1003    B
94B             INVEST  250526 1200   +19.3    +88.6     20   1000    B
94B             INVEST  250526 1800   +20.1    +88.0     20   1000    B
94B             INVEST  250527 0000   +20.4    +87.5     20   1000    B
94B             INVEST  250527 0600   +18.2    +88.0     20    998    B    RELOCATED FROM (+20.1 +87.7)
94B             INVEST  250527 1200   +18.5    +87.9     20    996    B
94B             INVEST  250527 1800   +18.8    +87.9     25    996    D
94B             INVEST  250528 0000   +19.1    +87.9     30    995    D
94B             INVEST  250528 0600   +19.5    +88.3     30    994    D
94B             INVEST  250528 1200   +20.1    +88.3     30    991    D
94B             INVEST  250528 1800   +20.8    +88.6     30   1000    MD
94B             INVEST  250529 0000   +21.1    +89.0     30    981    MD   IMD=TD 25KT 990MB (+20.8 +88.4)
94B             INVEST  250529 0600   +21.8    +89.2     25    989    MD   IMD=TD 30KT 990MB(+22.0 +88.4)
94B             INVEST  250529 1200   +22.6    +89.2     25    988    MD   IMD=TD 30KT 988MB (22.2 +88.6)
94B             INVEST  250529 1800   +23.4    +89.7     25    989    MD   IMD=TD 30KT 988MB (23.0 +89.2)
94B             INVEST  250530 0000   +24.5    +89.8     25    989    MD
94B             INVEST  250530 0600   +25.2    +90.3     20    992    B
94B             INVEST  250530 1200   +25.7    +91.4     20    992    B
 

=== S. HEMISPHERE ===   
System: INVEST                        Invest:92S        TD# N/A
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
92S             INVEST  250502 0000    -8.2   +110.3     15   1009    B
92S             INVEST  250502 0600    -8.6   +110.4     15   1009    B    RELOCATED FROM (-8.6 +110.0)
92S             INVEST  250502 1200    -8.7   +109.9     15   1009    B
92S             INVEST  250502 1800    -8.8   +109.7     15   1008    B    BOM=1009MB (-9+109)
92S             INVEST  250503 0000    -9.1   +109.3     15   1008    B 
92S             INVEST  250503 0600    -9.3   +109.2     15   1008    B
92S             INVEST  250503 1200    -9.2   +108.7     15   1008    B

System: THIRTYTWO                     Invest:93P        TD# 33U
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
93P 32P 33U  THIRTYTWO  250507 0600    -9.1   +142.8     15   1006    B
93P 32P 33U  THIRTYTWO  250507 1200    -9.0   +142.4     15   1006    B
93P 32P 33U  THIRTYTWO  250507 1800    -8.9   +142.0     15   1006    B
93P 32P 33U  THIRTYTWO  250508 0000    -8.7   +141.4     20   1006    B    RELOCATED FROM (-8.9 +141.6)
93P 32P 33U  THIRTYTWO  250508 0600    -8.5   +140.6     20   1006    B
93P 32P 33U  THIRTYTWO  250508 1200    -8.2   +139.8     20   1006    B
93P 32P 33U  THIRTYTWO  250508 1800    -7.9   +139.0     25   1006    D    BOM=1006MB (-8 +138)
93P 32P 33U  THIRTYTWO  250509 0000    -7.7   +138.1     25   1006    D
93P 32P 33U  THIRTYTWO  250509 0600    -7.2   +136.4     25   1006    D    BOM=1004MB (-7 +137)
93P 32P 33U  THIRTYTWO  250509 1200    -6.8   +136.4     25   1006    D
93P 32P 33U  THIRTYTWO  250509 1800    -6.9   +136.6     25   1005    D    BOM=1002MB (-7 +137)
93P 32P 33U  THIRTYTWO  250510 0000    -7.1   +136.8     25   1006    D
93P 32P 33U  THIRTYTWO  250510 0600    -7.6   +136.9     25   1004    D    BOM=25KT 1003MB (-7.5 +137.1) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250510 1200    -8.2   +137.3     30   1005    D    BOM=25KT 1002MB (-7.5 +137.3) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250510 1800    -8.3   +137.3     30   1004    D    BOM=30KT 1004MB (-7.7 +137.7) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250510 1800    -8.3   +137.3     30   1004    D    BOM=30KT 1002MB (-8.2 +137.6) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250511 0000    -8.8   +138.0     30   1004    D    BOM=35KT 1002MB (-8.7 +138.2) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250511 0600    -9.0   +138.2     35   1003    T    BOM=35KT 1000MB (-8.8 +138.5) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250511 1200    -9.0   +138.1     35   1003    T
93P 32P 33U  THIRTYTWO  250511 1800    -8.6   +137.9     35   1003    T    BOM=35KT 1000MB (-8.6 +137.9) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250512 0000    -8.3   +137.5     30   1004    D    BOM=35KT 1002MB (-8.8 +137.6) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250512 0600    -8.2   +137.4     30   1004    D    BOM=30KT 1002MB (-8.3 +137.5) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250512 1200    -8.3   +136.8     20   1006    B    BOM=35KT 1002MB (-8.8 +137.6) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250512 1800    -8.3   +136.8     20   1007    B    BOM=1002MB (-8.8 +136) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250513 0000
93P 32P 33U  THIRTYTWO  250513 0600                                   B    BOM=1006MB (-8 +136) TROPICAL LOW
93P 32P 33U  THIRTYTWO  250513 1200
93P 32P 33U  THIRTYTWO  250513 1800                                   B    BOM=1008MB (-7 +136) TROPICAL LOW

System: INVEST                        Invest:94P        TD# 34U
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
94P 34U         INVEST  250507 1800                                   B    BOM=1007MB (-12 +158)
94P 34U         INVEST  250508 0000
94P 34U         INVEST  250508 0600                                   B    BOM=1007MB (-12 +158)
94P 34U         INVEST  250508 1200
94P 34U         INVEST  250508 1800                                   B    BOM=1006MB (-12 +158)
94P 34U         INVEST  250509 0000
94P 34U         INVEST  250509 0600   -12.5   +158.6     25   1004    D    BOM=1005MB (-12 +159)
94P 34U         INVEST  250509 1200   -12.2   +158.5     25   1004    D
94P 34U         INVEST  250509 1800   -11.8   +158.3     25   1004    D    BOM=1005MB (-11 +157)
94P 34U         INVEST  250510 0000   -11.6   +157.9     25   1004    D
94P 34U         INVEST  250510 0600   -11.4   +157.6     25   1004    D    BOM=1005MB (-11 +157)
94P 34U         INVEST  250510 1200   -11.2   +157.3     25   1004    D
94P 34U         INVEST  250510 1800   -10.9   +156.9     25   1003    D    BOM=1003MB (-10 +156)
94P 34U         INVEST  250511 0000   -10.6   +156.3     25   1004    D
94P 34U         INVEST  250511 0600   -10.5   +155.7     25   1004    SD   BOM=1003MB (-11 +156)
94P 34U         INVEST  250511 1200   -10.3   +155.3     20   1004    SD
94P 34U         INVEST  250511 1800    -9.8   +155.2     20   1004    SD   BOM=1004MB (-11 +156)
94P 34U         INVEST  250512 0000   -10.1   +155.4     20   1004    SD
94P 34U         INVEST  250512 0600   -10.4   +155.6     20   1004    B    BOM=1004MB (-10 +155)
94P 34U         INVEST  250512 1200   -10.6   +155.7     20   1009    B
94P 34U         INVEST  250512 1800   -11.2   +155.9     20   1006    B    BOM=1004MB (-13 +158)
94P 34U         INVEST  250513 0000   -11.4   +156.2     20   1007    B
94P 34U         INVEST  250513 0600   -11.8   +156.9     20   1008    B    BOM=1006MB (-12 +157)
94P 34U         INVEST  250513 1200   -12.2   +157.6     20   1008    B
94P 34U         INVEST  250513 1800   -12.3   +158.2     20   1006    B    BOM=1005MB (-13 +159) TROPICAL LOW   
94P 34U         INVEST  250514 0000   -12.8   +158.4     15   1007    B
94P 34U         INVEST  250514 0600   -12.4   +157.8     15   1007    B    BOM=1005MB (-12 +158) TROPICAL LOW
94P 34U         INVEST  250514 1200   -12.2   +157.1     15   1007    B
94P 34U         INVEST  250514 1800                                   B    BOM=1006MB (-13 +159) TROPICAL LOW
94P 34U         INVEST  250515 0000


System: INVEST                        Invest:95P        TD# N/A
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
95P             INVEST  250510 0600   -16.8   +168.8     30   1004    D
95P             INVEST  250510 1200   -18.0   +169.9     30   1004    D
95P             INVEST  250510 1800   -19.7   +171.8     40   1003    D
95P             INVEST  250511 0000   -19.7   +174.9     40   1000    D
95P             INVEST  250511 0600   -19.5   +175.7     40   1001    D
95P             INVEST  250511 1200   -19.6   +177.9     40   1001    D
95P             INVEST  250511 1800   -19.9   +179.6     40    998    D
95P             INVEST  250512 0000   -19.9   -179.8     40    998    D


System: INVEST                        Invest:96S        TD# N/A
ID          Designation Date   Time   Lat.     Lon.     Wind  Press.  ST   Other
96S             INVEST  250513 1800    -6.8    +94.8     15   1007    B    BOM=1009MB (-7 +94)
96S             INVEST  250514 0000    -6.7    +94.5     15   1007    B
96S             INVEST  250514 0600    -7.0    +94.1     15   1007    B    BOM=1008MB (-7 +95)
96S             INVEST  250514 1200    -7.3    +93.6     15   1007    B
96S             INVEST  250514 1800    -7.3    +93.3     15   1008    B    BOM=1009MB (-7 +93)
96S             INVEST  250515 0000    -7.7    +93.3     15   1008    B

====================================================================================


-------------------------------------------------------------------------
LEGEND:
    * BOM:  Australian BOM
    * DEMS: RSMC - NEW DELHI 
    * EGRR: UK MET OFFICE
    * FMEE: RSMC - LA REUNION 
    * FZNT: High Seas Forecast (North Atlantic) 
    * FZPN: High Seas Forecast (North Pacific) 
    * FZPS: High seas forecast (South Pacific) 
    * HPC: HYDROMETEROLOGICAL PREDICTION CENTER(USA) 
    * HSF: High Seas Forecast (Various WMO Regions)
    * JMA: RSMC - Tokyo (Previously RJTD)
    * KNES: Satellite Analysis
    * LFPW: METEO-FRANCE
    * NFFN: RSMC - NADI (FIJI)
    * NHC: RSMC - Miami (National Hurricane Center)
    * OPC: NOAA Ocean Prediction Center
    * PGTW: JOINT TYPHOON WARNING CENTER
    * PHNC: RSMC - HONOLULU
    * PSAGA: PHILLIPINES
    * RAAMB: Regional and Mesoscale Meteorology Branch (NOAA)
      REANALYSIS: Reanalysis by author using GrADS and reanalysis project data.
    * SBBR: DIRECTORATE OF HYDROGRAPHY AND NAVIGATION (BRASIL)
    * VHHH: HONG KONG

* These should be considered operational warnings.
** Reanalysis data provided by the NOAA/OAR/ESRL PSD, Boulder, Colorado, USA, from their 
  Web site at http://www.esrl.noaa.gov/psd/ 

Strength/Status:
W  - Wave           
B  - Disturbance    
L  - Low 
MD - Monsoon Depression           
D  - Depression
T  - Tropical Storm
H  - Hurricane/Typhoon
R  - Remnant Low
E  - Extra tropical
SS - Sub-tropical Storm
SD - Sub-tropical Depression

PREPARED BY:

  Steve Young               [email protected]
====================================================================================

Document: trak2505.htm
Updated: 28 June 2025
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