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Monthly Global Tropical Cyclone Tracks March 2001
[Summaries and Track Data] [Prepared by Gary Padgett]

               GLOBAL TROPICAL CYCLONE TRACKS - MARCH 2001


          !!!! IMPORTANT -- PLEASE SEE NOTE AT END OF FILE !!!!

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

NOTE:  The tracking and intensity information for the following system
       was supplied by Roger Edson of the University of Guam, formerly
       a forecaster with JTWC.  No warnings were issued on this system
       by either JTWC or IMD, although JTWC mentioned the disturbance
       for several days in their Tropical Weather Outlooks.


                               Systems Tracked
                               ---------------

   Tropical Cyclone "OMICRON"                          10 - 15 Mar

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Storm Name: "Omicron"             Cyclone Number: None    Basin: NIO
(Track provided by Roger Edson)

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

01 MAR 10 0000   9.0 N   96.0 E         15
01 MAR 10 1200   9.5 N   95.5 E  1007   15
01 MAR 11 0000  10.0 N   95.0 E         15
01 MAR 11 1200  10.7 N   94.0 E  1006   20
01 MAR 12 0000  11.5 N   93.0 E         20
01 MAR 12 1200  12.0 N   93.0 E  1004   25
01 MAR 13 0000  12.5 N   93.0 E         25
01 MAR 13 1200  13.0 N   93.0 E  1004   30
01 MAR 14 0000  13.5 N   93.0 E         35
01 MAR 14 1200  14.7 N   92.8 E  1004   30
01 MAR 15 0000  16.0 N   92.5 E         30
01 MAR 15 1200  16.5 N   94.5 E  1004   25

Note:  The central pressure estimates were taken from the daily STWOs
issued by JTWC.

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SOUTHWEST INDIAN OCEAN (SWI) - South Indian Ocean West of Longitude 90E

NOTE:  The tracking coordinates, 10-min avg MSW, and estimates of
       central pressure were obtained from the RSMC La Reunion's
       (MFR) advisories, while the 1-min avg MSW values were taken
       from JTWC's warnings.   A very special thanks to Patrick Hoareau
       of Rennes, France, for sending me the track for Tropical Cyclone
       Dera already typed in the correct format with only minimal editing
       required.


                              Systems Tracked
                              ---------------

   Tropical Cyclone DERA (MFR 08 / 15S)                05 - 13 Mar

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Storm Name: DERA                  Cyclone Number: 15S     Basin: SWI
MFR Tropical Disturbance Number: 08

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

01 MAR 05 1200  10.8 S   51.0 E  1003   25    25  Winds locally to 30 kts
01 MAR 05 1800  11.9 S   50.0 E  1003         25
01 MAR 06 0000  13.1 S   49.4 E               25  LLCC over land
01 MAR 06 0600  13.0 S   49.1 E  1006   25    20
01 MAR 07 0600  14.5 S   43.5 E  1002         25  LLCC over water
01 MAR 07 1200  14.9 S   41.4 E  1002   30    25
01 MAR 08 0600  16.3 S   40.2 E  1002   30    25
01 MAR 08 1200  17.2 S   39.8 E  1000         25
01 MAR 08 1800  17.5 S   39.5 E  1000         25
01 MAR 09 0000  18.6 S   40.2 E   999   30    25  Winds locally to 30 kts
01 MAR 09 0600  19.6 S   40.3 E   997         30
01 MAR 09 1200  21.1 S   40.6 E   980   55    50
01 MAR 09 1800  22.1 S   40.9 E   972         60
01 MAR 10 0000  22.9 S   40.6 E   972   60    60
01 MAR 10 0600  23.6 S   40.5 E   966         70
01 MAR 10 1200  24.3 S   40.5 E   960   65    75
01 MAR 10 1800  25.3 S   40.7 E   960         75
01 MAR 11 0000  25.9 S   40.6 E   960   70    75
01 MAR 11 0600  26.6 S   40.2 E   960         75
01 MAR 11 1200  27.3 S   40.2 E   966   65    70
01 MAR 11 1800  28.3 S   40.4 E   966         70
01 MAR 12 0000  29.5 S   40.9 E   968   75    65
01 MAR 12 0600  31.8 S   42.0 E   964         70              
01 MAR 12 1200  34.5 S   43.4 E   964   70    70  Becoming extratropical
01 MAR 12 1730  37.6 S   46.0 E                   JTWC Satellite Bulletin
01 MAR 13 0000  42.2 S   50.8 E         55        JTWC Warning (final)
                                                
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NORTHWEST AUSTRALIA/SOUTHEAST INDIAN OCEAN (AUW) - Longitude 90E to 135E

NOTE:  The tracking information presented below was obtained from
       operational warnings issued by the Tropical Cyclone Warning
       Centre at Perth, Western Australia.  Also, the central pressure
       estimates and 10-min avg MSW values were obtained from Perth's
       warnings.


                             Systems Tracked
                             ---------------

   Tropical LOW                                        16 - 17 Mar

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Storm Name: None                  Cyclone Number: None    Basin: AUW


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

01 MAR 16 0400   9.9 S  105.8 E  1002         30  See Note
01 MAR 16 1000  10.4 S  105.3 E  1002         30
01 MAR 16 1600  10.4 S  104.6 E  1002         30
01 MAR 16 2200  10.4 S  103.9 E  1002         30
01 MAR 17 0400   9.8 S  103.0 E  1002         30
01 MAR 17 0900   9.8 S  102.8 E  1003         25  Weakening

Note:  MSW values not explicitly stated in the High Seas warnings.  These
values represent reasonable estimates based upon the central pressure.

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NORTHEAST AUSTRALIA/CORAL SEA (AUE) - Longitude 135E to 160E

NOTE:  The tracking information presented below was obtained in part
       from High Seas gale warnings issued by the Tropical Cyclone
       Warning Centre at Brisbane, Queensland.  Additional information
       was gleaned from a report and tracking chart forwarded to me by
       Jeff Callaghan of the Brisbane TCWC.   A big thanks to Jeff for
       sending me this information.


                             Systems Tracked
                             ---------------

   Subtropical Cyclone                                 04 - 08 Mar

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Storm Name: None                  Cyclone Number: None    Basin: AUE
(Subtropical system which developed some features of tropical cyclones.)

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

01 MAR 04 1800  29.7 S  159.0 E   997         30
01 MAR 04 2300  28.8 S  158.3 E   995         40
01 MAR 05 0600  28.3 S  158.2 E   996         40
01 MAR 05 1200  28.0 S  158.1 E   996         40
01 MAR 05 1800  27.7 S  158.0 E   996         40  System stationary
01 MAR 06 0000  27.5 S  157.5 E   995         40
01 MAR 06 0600  27.3 S  157.1 E   995         45
01 MAR 06 1200  27.3 S  156.7 E   995         40
01 MAR 06 1800  27.3 S  156.3 E   995         40
01 MAR 07 0000  27.3 S  156.0 E   997         40
01 MAR 07 0600  27.4 S  155.8 E   997         40  System stationary
01 MAR 07 1200  27.5 S  155.6 E   998         40
01 MAR 07 1800  27.8 S  155.2 E   998         35
01 MAR 08 0000  28.6 S  154.8 E
01 MAR 08 0400  28.8 S  154.3 E
01 MAR 08 0600  28.8 S  153.9 E   997         54  See Note
01 MAR 08 0800  28.6 S  153.5 E               50  Inland

Note:  The final Brisbane gale warning I had saved was for 07/1800 UTC.
Jeff Callaghan sent me a plotted track of the cyclone and a report he'd
written.  The positions following 07/1800 UTC were taken from this track.
There were no wind or pressure estimates given so I did not attempt to
supply any.  However, Jeff's report indicated that at 08/0615 UTC the
Evans Head AWS recorded a maximum 10-min mean wind of 54 kts, gusting
to 75 kts.  The lowest pressure of 996.6 mb occurred at 08/0652 UTC;
the 10-min mean wind at that time was still 54 kts.  At 08/0809 UTC the
station was reporting 50-kt mean winds, gusting to 59 kts.

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             !!!!!!  IMPORTANT NOTE - PLEASE READ  !!!!!!

     It has been brought to my attention that I should repeat in the
  cyclone tracks file the caveat which is included in the Author's
  Note at the end of the cyclone summaries.   The tropical cyclone
  tracks which I prepare are based upon the operational warnings/
  advisories/advices/bulletins from the various tropical cyclone
  warning agencies around the world.   Users of these tracks should
  be aware that they are preliminary and subject to revision during
  post-seasonal analyses of the cyclones by the forecasters and
  analysts at the several warning centers.

     For the Atlantic and Northeast Pacific basins, official tropical
  cyclone reports and "best tracks" can be found at the website of
  the Tropical Prediction Center/National Hurricane Center:

     http://www.nhc.noaa.gov>

     The Joint Typhoon Warning Center's website contains links to their
  Annual Tropical Cyclone Reports which include that agency's "best
  tracks" for tropical cyclones in the Northwest Pacific basin, the
  North Indian Ocean, and the Southern Hemisphere:

     http://199.10.200.33/jtwc.html>

     In the near future I shall contact the other tropical warning
  centers to see if I can locate any links to sites where their "best
  tracks" might be archived.

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Document: trak0103.htm
Updated: 29th December 2006

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