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Monthly Global Tropical Cyclone Tracks June 1999
[Summaries and Track Data] [Prepared by Gary Padgett]

               GLOBAL TROPICAL CYCLONE TRACKS - JUNE 1999


ATLANTIC (ATL) - North Atlantic Ocean, Caribbean Sea, Gulf of Mexico


NOTE:  The tracking and intensity information for Atlantic Basin
       tropical cyclones is based upon operational advisories from
       the Tropical Prediction Center/National Hurricane Center,
       located in Miami, Florida, USA.  The MSW are based on a
       1-min averaging period, which is used by all U.S. civilian
       and military weather services for tropical cyclone warnings.


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Storm Name: ARLENE                Cyclone Number: 01      Basin: ATL


   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------


99 JUN 11 1800  27.4 N   57.9 W  1010   30
99 JUN 12 0000  27.9 N   57.2 W  1009   30
99 JUN 12 0600  28.1 N   57.2 W  1012   30
99 JUN 12 1200  28.3 N   57.4 W  1010   35
99 JUN 12 1800  28.5 N   57.4 W  1010   40
99 JUN 13 0000  29.1 N   57.3 W  1000   45
99 JUN 13 0600  29.0 N   57.4 W  1000   50
99 JUN 13 1200  29.1 N   58.3 W  1000   50
99 JUN 13 1800  29.1 N   58.8 W  1000   50
99 JUN 14 0000  29.2 N   59.3 W  1009   45
99 JUN 14 0600  29.2 N   59.9 W  1009   45
99 JUN 14 1200  29.3 N   60.4 W  1009   45
99 JUN 14 1800  29.8 N   60.8 W  1009   45
99 JUN 15 0000  29.8 N   61.2 W  1012   40
99 JUN 15 0600  29.6 N   61.5 W  1012   40
99 JUN 15 1200  29.6 N   61.3 W  1008   45
99 JUN 15 1800  29.9 N   61.4 W  1010   45
99 JUN 16 0000  30.0 N   61.8 W  1010   50
99 JUN 16 0600  30.2 N   62.2 W  1010   50
99 JUN 16 1200  30.9 N   62.3 W  1012   45
99 JUN 16 1800  31.6 N   62.6 W  1012   40
99 JUN 17 0000  31.7 N   62.6 W  1015   35
99 JUN 17 0600  32.4 N   63.1 W  1015   30
99 JUN 17 1200  33.5 N   63.0 W  1015   30
99 JUN 17 1800  34.4 N   62.3 W  1015   30
99 JUN 18 0000  35.4 N   61.6 W  1015   25
99 JUN 18 0600  37.0 N   61.0 W  1017   25        Extratropical


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NORTHEAST PACIFIC (NEP) - North Pacific Ocean East of Longitude 180


NOTE:  The tracking and intensity information for Northeast Pacific
       Basin tropical cyclones is based upon operational advisories
       from the Tropical Prediction Center/National Hurricane Center
       in Miami, Florida, for systems east of Longitude 140W; and
       from the Central Pacific Hurricane Center, Honolulu, Hawaii,
       for systems west of Longitude 140W.  The MSW are based on a
       1-min averaging period, which is used by all U.S. civilian
       and military weather services for tropical cyclone warnings.


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Storm Name: ADRIAN                Cyclone Number: 01E     Basin: NEP


   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------


99 JUN 18 0600  13.0 N   98.0 W  1006   30
99 JUN 18 1200  13.3 N   98.9 W  1006   30
99 JUN 18 1800  14.3 N  100.3 W  1004   35
99 JUN 19 0000  14.5 N  101.6 W  1003   45
99 JUN 19 0600  15.1 N  103.1 W   998   50
99 JUN 19 1200  15.6 N  104.6 W   997   55
99 JUN 19 1800  16.1 N  105.7 W   993   60
99 JUN 20 0000  16.7 N  106.7 W   987   65
99 JUN 20 0600  17.4 N  108.2 W   984   70
99 JUN 20 1200  17.7 N  108.8 W   980   75
99 JUN 20 1800  18.0 N  109.9 W   975   85
99 JUN 21 0000  18.0 N  110.5 W   978   80
99 JUN 21 0600  18.3 N  111.5 W   979   75
99 JUN 21 1200  18.4 N  111.4 W   987   65
99 JUN 21 1800  18.7 N  111.8 W   991   55
99 JUN 22 0000  18.7 N  112.4 W   997   45
99 JUN 22 0600  18.6 N  112.9 W  1002   30
99 JUN 22 1200  18.6 N  113.0 W  1001   30
99 JUN 22 1800  18.8 N  113.1 W  1003   25


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NORTHWEST PACIFIC (NWP) - North Pacific Ocean West of Longitude 180


NOTE:  The tracking information for Northwest Pacific Basin tropical
       cyclones is based primarily upon operational warnings from the
       Joint Typhoon Warning Center of the U.S. Air Force and Navy on
       the island of Guam.  Comparisons were made with track coordinates
       given in advisories from the meteorological services of Japan
       (JMA) and the Philippines (PAGASA).  In general, whenever the
       center position differed by more than 40-50 nm from JTWC's, an
       entry was made in the Remarks column.


       The 1-min avg MSW were taken from the JTWC advisories while the
       10-min avg MSW were obtained from PAGASA's advisories if the
       storm was in PAGASA's area of responsibility; otherwise, they
       were gleaned from JMA's advisories or high seas forecasts.  In
       a few cases the 10-min MSW given by PAGASA and JMA did not agree;
       in those cases I reported the higher value.    The estimates of
       central pressure were obtained from JMA's advisories.


       Some of the tracking information for Typhoon Maggie/Etang was
       taken from warnings issued by the Royal Observatory of Hong Kong
       (HKO), and the track for Tropical Depression Gening was based
       in its entirety upon warnings from PAGASA.   Michael V. Padua,
       owner of the Typhon '99 webpage sent me the PAGASA, JMA, and
       HKO tracks for these systems--a special thanks to Michael for
       his assistance.


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Storm Name: MAGGIE (9803/ETANG)   Cyclone Number: 06W     Basin: NWP


   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------


99 JUN 01 0000  10.7 N  131.1 E  1004   20    30  PAGASA Warning
99 JUN 01 0600  10.9 N  131.4 3  1004         30  PAGASA: 11.1 N, 130.1 E
99 JUN 01 1200  11.3 N  131.2 E  1004   25    30  PAGASA: 12.1 N, 129.5 E
99 JUN 01 1800  11.7 N  130.4 E  1002   25    30  PAGASA: 12.2 N, 129.2 E
99 JUN 02 0000  12.6 N  130.0 E  1000   45    30  JMA: 12.3 N, 129.3 E
99 JUN 02 0600  13.3 N  129.9 E   998   45    40
99 JUN 02 1200  13.5 N  129.5 E   996   55    40
99 JUN 02 1800  14.2 N  129.4 E   994   65    45
99 JUN 03 0000  14.9 N  129.3 E   990   65    50
99 JUN 03 0600  15.5 N  129.0 E   985   65    55
99 JUN 03 1200  15.8 N  128.4 E   980   75    60
99 JUN 03 1800  16.8 N  127.9 E   980   75    65
99 JUN 04 0000  17.3 N  127.1 E   975   90    70
99 JUN 04 0600  17.4 N  126.4 E        100    75
99 JUN 04 1200  17.5 N  126.0 E   955  100    80
99 JUN 04 1800  18.1 N  125.3 E   955  100    80
99 JUN 05 0000  18.9 N  124.5 E   955  105    85
99 JUN 05 0600  19.7 N  123.6 E   955  100    85
99 JUN 05 1200  20.5 N  122.4 E   960  100    85
99 JUN 05 1800  21.0 N  121.0 E   960  100    75
99 JUN 06 0000  22.2 N  119.7 E   960   90    75
99 JUN 06 0600  22.5 N  118.2 E   965   85    70
99 JUN 06 1200  22.8 N  116.4 E   975   80    60
99 JUN 06 1800  22.7 N  114.7 E   980   65    55
99 JUN 07 0000  22.3 N  113.0 E   985   30    50
99 JUN 07 0600  21.5 N  112.7 E   985         50  HKO downgraded to TD
99 JUN 07 1200  21.6 N  112.7 E   992         40  HKO's Coord./JMA's MSW
99 JUN 07 1800  21.9 N  112.9 E   996         35  HKO Warning
99 JUN 08 0000  23.2 N  112.1 E               40      "
99 JUN 08 0600  24.0 N  111.5 E               30      "


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Storm Name: TD GENING             Cyclone Number: None    Basin: NWP


   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------


99 JUN 04 0000  15.3 N  115.9 E               30
99 JUN 04 0600  15.3 N  115.9 E               30
99 JUN 04 1200  15.2 N  115.7 E               30
99 JUN 04 1800  15.2 N  114.5 E               30  Final Warning
99 JUN 06 0000  15.7 N  116.9 E               30  Warnings Re-instated
99 JUN 06 0600  15.8 N  117.0 E               30
99 JUN 06 1200  16.1 N  117.4 E               25  Final Warning


Note:  Tracking information for this system is based upon warnings issued
by PAGASA only.


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NORTH INDIAN OCEAN (NIO) - Bay of Bengal and Arabian Sea


NOTE:  The tracking and intensity information for North Indian Ocean
       Basin tropical cyclones is based primarily upon operational
       warnings from the Joint Typhoon Warning Center of the U.S. 
       Air Force and Navy (JTWC) at Pearl Harbor, Hawaii.  For weaker
       systems not in warning status by JTWC, information gleaned from
       the twice-daily issuances of the Indian Meteorological Depart-
       ment (IMD) was used to complete the tracks.  These bulletins
       usually give analyzed center positions at either 0300 or 0600
       UTC and 1200 or 1500 UTC.
       
       The MSW are based on a 1-min averaging period, which is used by
       all U.S. civilian and military weather services for tropical
       cyclone warnings.  For synoptic observations in the North Indian
       region, both 10-min and 3-min average winds are employed, but
       IMD makes no attempt to modify the Dvorak scale for estimating
       tropical cyclone intensity; hence, a 1-min avg MSW is implied.
       In the North Indian basin JTWC usually does not initiate warnings
       until a system is well-organized and it is likely to attain
       tropical storm status within 48 hours.


       Windspeeds are usually not reported in the IMD bulletins. Systems
       are usually classified as depressions, deep depressions, or
       cyclonic storms.   For depressions I assigned a MSW of 25 kts and
       for deep depressions 30 kts.  If the early stages of a system 
       were referred to as a low-pressure area, I assigned 20 kts.


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Storm Name: Tropical Cyclone      Cyclone Number: 03B     Basin: NIO


   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------


99 JUN 10 1200  21.0 N   88.2 E         35        
99 JUN 11 0000  22.9 N   85.8 E         25        Inland


Note:  Cyclone moved inland around 10/1500 UTC.  System was intensifying
up until the time of landfall and MSW were likely around 40 to 45 kts
at landfall.


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Storm Name: Tropical Depression   Cyclone Number: None    Basin: NIO


   Date   Time   Lat      Lon    Cent  MSW   MSW        Remarks
          (GMT)                 Press 1-min 10-min
                                 (mb) (kts) (kts)
-------------------------------------------------------------------------


99 JUN 17 0300  18.5 N   86.0 E         25        IMD: T-number = 1.5
99 JUN 17 1200  19.0 N   85.0 E         30        On coast


Note:  JTWC did not classify this LOW as a tropical depression, although
the 16/1800 UTC Tropical Weather Outlook indicated the existence of a
weak low-level circulation.  The basis for the 30-kt MSW at 1200 UTC
is the fact that the IMD forecast referred to the system as a "deep
depression", which implies 30-kt winds.


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Document: trak9906.htm
Updated: 18th March 2008

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