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Monthly Global Tropical Cyclone Tracks March 2011
[Summaries and Track Data] [Prepared by Gary Padgett]

               GLOBAL TROPICAL CYCLONE TRACKS - MARCH 2011

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

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


                          Sources of Information
                          ----------------------

     The track coordinates, central pressure and 1-minute average
  maximum sustained wind values were obtained from the operational
  forecast/advisories issued by the Tropical Prediction Center/National
  Hurricane Center located in Miami, Florida.   A 1-minute averaging
  period is the standard used by all U. S. civilian and military
  warning services for tropical cyclone warnings.


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

   Possible Subtropical LOW (Invest 90L)               04 - 12 Mar

*************************************************************************

Storm Name: None                  Cyclone Number: None    Basin: ATL
NRL Invest Number: 90L

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

11 MAR 04 0000  34.9 N    4.5 W  1016             OPC=1014
11 MAR 04 0600  35.7 N    7.7 W  1014             OPC=1014
11 MAR 04 1200  36.8 N    9.9 W  1015             OPC=1014
11 MAR 04 1800  36.6 N   11.3 W  1012             OPC=1014
11 MAR 05 0000  37.3 N   12.7 W  1012             OPC=1012
11 MAR 05 0600  37.1 N   12.7 W  1009             OPC=1010
11 MAR 05 1200  35.8 N   14.8 W  1010             OPC=1007
11 MAR 05 1800  38.6 N   15.5 W  1009             OPC=1007
11 MAR 06 0000  37.5 N   16.7 W  1009             OPC=1008
11 MAR 06 0600  36.4 N   19.2 W  1007             OPC=1002
11 MAR 06 1200  35.2 N   17.9 W  1007             OPC=1005
11 MAR 06 1800  35.3 N   17.1 W  1005             OPC=1005
11 MAR 07 0000  36.9 N   16.8 W  1006             OPC=1002
11 MAR 07 0600  37.1 N   17.3 W  1005             OPC=1000
11 MAR 07 1200  36.4 N   17.6 W  1005             OPC=1004
11 MAR 07 1800  34.9 N   16.7 W  1005             OPC=1004/FRONTAL
11 MAR 08 0000  34.8 N   15.6 W  1007             OPC=1000/FRONTAL
11 MAR 08 0600  34.8 N   14.9 W  1003             OPC=1002/FRONTAL
11 MAR 08 1200  34.9 N   12.8 W  1009             OPC=1006
11 MAR 08 1800  34.5 N   13.7 W  1008             OPC=1006
11 MAR 09 0000  34.6 N   12.9 W  1009             OPC=1006/FRONTAL
11 MAR 09 0600  33.6 N   13.7 W  1008             OPC=1007
11 MAR 09 1200  33.9 N   14.9 W  1010             OPC=1009
11 MAR 09 1800  33.8 N   15.4 W  1004	30        OPC=1008  (NRL)
11 MAR 10 0000  33.5 N   15.6 W  1004	30        OPC=1008  (NRL)
11 MAR 10 0600  33.8 N   16.2 W  1004	30        OPC=1008  (NRL)
11 MAR 10 1200  33.8 N   17.1 W  1003	30        OPC=1008  (NRL)
11 MAR 10 1800  33.7 N   18.2 W  1002	30        OPC=1008  (NRL)
11 MAR 11 0000  33.4 N   18.4 W  1001	30        OPC=1006  (NRL)
11 MAR 11 0600  33.2 N   17.7 W  1000	30        OPC=1002  (NRL)
11 MAR 11 1200  32.8 N   16.7 W   999	35        OPC=1001/FRONTAL (NRL)
11 MAR 11 1800  34.6 N   12.7 W  1003             OPC=1002
11 MAR 12 0000  34.5 N   11.9 W  1005             OPC=1003
11 MAR 12 0600  33.2 N   11.4 W  1004             OPC=1000
11 MAR 12 1200  34.2 N    8.7 W  1007             OPC=1004  

Note: This track was compiled and sent to the author by Steve Young--a
special thanks to Steve for doing this.  The CP values in the column were
taken from NCEP re-analysis data except where NRL is cited.    The 
operational OPC pressures are given in the Remarks column.   Following
is Steve's writeup about this system:

"On March 4, 2011, a weak, non-frontal low was analyzed near Gibraltar 
and drifted westward.  By March 5, gale winds were forecast by the Ocean 
Prediction Center (OPC) off the Portuguese and Spanish coasts.  The 
westward drift continued until the 6th when the system became quasi-
stationary near 35N/18W.  An OPC analysis for MARch 7, 1200 UTC was
the first to show frontal involvement.  Frontal zones were seen on charts
until March 9.

"The Naval Research Lab designated the area Investigative Area 90L 
on March 9 with estimated winds of 30 kts.  90L drifted eastward until 
March 11 1200 UTC when OPC analysis showed interaction with a polar front 
stretching eastward into north Africa.  Satellite pictures showed 
sprial banding encircling a central circulation with CB to the north 
and west.  For most of the 9th and 10th, the satellite presentation 
resembled that of a subtropical system.  Cyclone phase diagrams showed 
a shallow, marginally warm-cored system at the same time the satellite 
presentation was most organized.  This development occured while the 
system was over sea-surface temperatures of approximately 15C.

"The system passed near Madeira airport (32N/16W) which reported rain 
and rain showers on March 11 with a minimum station SLP of 999 mb and 
winds of 20 kts, gusting to 34 kts and CB clouds.  A wind shift from 
southwest to north occurred at about the same time as the minimum 
sea level pressure.

"Following the frontal involvement on March 11, the system weakened 
rapidly and dissipated off the African coast not far from its initial 
position."

While this system displayed some of the features of a subtropcal cyclone,
it was not classified as such by NHC and is highly unlikely to be added
as an after-the-fact storm due to its frontal nature.

*************************************************************************
*************************************************************************

SOUTH ATLANTIC (SAT) -  Atlantic Ocean South of the Equator


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

   Subtropical Storm ARANI (NRL Invest 90Q)            09 - 21 Mar

     Further information and a track graphic for Subtropical Storm Arani 
  may be found at the following link:

  http://en.wikipedia.org/wiki/South_Atlantic_tropical_cyclone>

*************************************************************************

Storm Name: ARANI                 Cyclone Number: None    Basin: SAT
(NRL Invest Number: 90Q - Name assigned by Brazilian Navy and NWS)

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

11 MAR 09 0600  23.1 S   40.6 W	 1012             NCEP re-analysis	
11 MAR 09 1200  22.3 S   39.4 W	 1010             
11 MAR 09 1800  19.7 S   39.0 W	 1007   20        NRL data
11 MAR 10 0000  20.0 S   39.1 W	 1009   20 
11 MAR 10 0600  19.8 S   39.1 W	 1008   25 
11 MAR 10 1200  19.4 S   39.0 W	 1009   25 
11 MAR 10 1800  19.0 S   39.0 W	 1007   25 
11 MAR 11 0000  19.2 S   39.2 W	 1008   25 
11 MAR 11 0600  19.3 S   39.6 W	 1007   25 
11 MAR 11 1200  19.4 S   39.9 W	 1009   30 
11 MAR 12 0000  19.1 S   40.2 W	 1008   30 
11 MAR 12 0600  19.3 S   40.2 W	 1007   30 
11 MAR 12 1200  19.6 S   40.2 W	 1008   30 
11 MAR 12 1800  19.9 S   40.1 W	 1005   30 
11 MAR 13 0000  20.0 S   40.2 W	 1006   30 
11 MAR 13 0600  20.0 S   40.6 W	 1005   30 
11 MAR 13 1200  20.0 S   41.0 W	 1004   30 
11 MAR 13 1800  20.0 S   40.8 W	 1001   30 
11 MAR 14 0000  20.4 S   40.8 W	 1001   30 
11 MAR 14 0600  21.6 S   40.8 W	 1002   30 
11 MAR 14 1200  22.4 S   40.7 W	 1003   30 
11 MAR 14 1800  22.7 S   40.2 W	 1000   30 
11 MAR 15 0000  23.6 S   38.8 W	 1000   30 
11 MAR 15 0600  24.3 S   37.7 W	 1002   30 
11 MAR 15 1200  24.8 S   37.2 W	 1002   30 
11 MAR 15 1800  25.0 S   36.5 W	 1000   30 
11 MAR 16 0000  25.2 S   34.7 W	  998   35 
11 MAR 16 0600  25.6 S   33.5 W	  993   40 
11 MAR 16 1200  25.8 S   32.0 W	  989   45 
11 MAR 16 1800  25.4 S   30.1 W                   NCEP re-analysis      
11 MAR 17 0000  25.5 S   27.4 W	 
11 MAR 17 0600  25.3 S   27.0 W	 
11 MAR 17 1200  25.8 S   25.3 W	 
11 MAR 17 1800  26.3 S   23.4 W	 
11 MAR 18 0000  25.7 S   22.4 W	 
11 MAR 18 0600  26.0 S   20.6 W	 
11 MAR 18 1200  26.4 S   18.8 W	 
11 MAR 18 1800  26.0 S   17.2 W	 
11 MAR 19 0000  25.8 S   15.4 W	 
11 MAR 19 0600  25.4 S   15.1 W	 
11 MAR 19 1200  25.0 S   14.8 W	 
11 MAR 19 1800  24.5 S   14.4 W	 
11 MAR 20 0000  23.3 S   14.0 W	 
11 MAR 20 0600  22.6 S   14.9 W                   Very diffuse
11 MAR 20 1200  22.4 S   14.5 W  
11 MAR 20 1800  21.2 S   15.5 W	 
11 MAR 21 0000  21.3 S   16.4 W	 

Note: This track was compiled and sent to the author by Steve Young, and
is based upon NCEP re-analysis and NRL data.  This system was classified
as a subtropical storm by the Brazilian Navy and National Weather Service
and assigned the name Arani at 1500 UTC on 15 March.  Some satellite
agencies rendered tropical 'T' classifications for Arani, so it bordered
on being a tropical storm.  Near its peak intensity, it seemed to have 
multiple circulation centers based on visible satellite loops with a
center barely exposed on the southwestern edge of the convection, and 
another center to the west.   This was possibly the rationale for calling
it subtropical.

*************************************************************************
*************************************************************************

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


                          Sources of Information
                          ----------------------

     The track coordinates as well as the central pressure and 10-minute
  average maximum sustained wind estimates were obtained from warnings
  issued by Meteo France's Tropical Cyclone Warning Centre on Reunion
  Island (MFR), which is the World Meteorological Organization's Regional
  Specialised Meteorological Centre for the basin.  The 1-minute average
  maximum sustained wind estimates were taken from warnings issued by the
  Joint Typhoon Warning Center (JTWC) of the U. S. Air Force and Navy,
  located at Pearl Harbor, Hawaii.  The center position coordinates from
  JTWC were compared with those from MFR and annotations made in the
  Remarks column when the differences in general amounted to 40-50 nm
  or more.

     Following is the link to the Wikipedia page for the 2010-2011
  Southwest Indian Ocean Cyclone Season:

  http://en.wikipedia.org/wiki/2010%E2%80%9311_South-West_Indian_Ocean_cyclone_season>


                             Systems Tracked
                             ---------------
         
   Tropical Storm CHERONO (MFR-07 / 18S)               14 - 25 Mar
   Tropical Disturbance (MFR-08)                       29 - 31 Mar

*************************************************************************

Storm Name: CHERONO               Cyclone Number: 18S     Basin: SWI
MFR Tropical Disturbance Number: 07

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

11 MAR 14 0600  11.0 S   87.0 E  1002         25
11 MAR 14 1200  11.7 S   85.8 E  1002         25
11 MAR 14 1800  12.0 S   85.7 E  1002         25  Locally 30 kts N semi.
11 MAR 15 0000  12.3 S   85.0 E  1002         25             "
11 MAR 15 0600  13.0 S   84.3 E  1002         25             "
11 MAR 15 1200  13.0 S   83.6 E  1002         25  
11 MAR 15 2330  13.2 S   82.0 E         30        JTWC satellite bulletin
11 MAR 16 0230  12.6 S   81.7 E         25        SAB satellite bulletin
11 MAR 16 0530  12.8 S   81.2 E         25        JTWC satellite bulletin
11 MAR 16 1200  14.1 S   80.7 E  1000         25  MFR warning
11 MAR 16 1800  14.6 S   79.6 E         25        JTWC satellite bulletin
11 MAR 17 0000  14.8 S   78.2 E   999         25  MFR warnings
11 MAR 17 0600  14.5 S   76.4 E   998   35    30  First JTWC warning
11 MAR 17 1200  15.2 S   75.2 E   995         35  
11 MAR 17 1800  15.9 S   74.3 E   995   40    35
11 MAR 18 0000  15.9 S   74.0 E   992         40
11 MAR 18 0600  16.5 S   72.3 E   992   45    40
11 MAR 18 1200  16.8 S   70.6 E   995         40
11 MAR 18 1800  17.2 S   69.7 E   995   40    35
11 MAR 19 0000  17.5 S   68.4 E   995         35
11 MAR 19 0600  19.0 S   67.4 E   995   45    35  Locally 40 kts S semi.
11 MAR 19 1200  19.5 S   66.0 E   997         30  Locally 35 kts S semi.
11 MAR 19 1800  19.9 S   64.2 E   997   35    30  Loc. 35-40 kts S semi.
11 MAR 20 0000  20.5 S   63.0 E   998         30            "
11 MAR 20 0600  20.9 S   61.7 E   998         30            "
11 MAR 20 1200  21.7 S   60.5 E   997         30            "
11 MAR 20 1800  22.3 S   59.8 E   997         30            "
11 MAR 21 0000  22.8 S   58.7 E   997         30            "
11 MAR 21 0600  23.1 S   58.1 E   997         30            "
11 MAR 21 1200  23.5 S   57.4 E   997         30            "
11 MAR 21 1800  24.3 S   57.9 E   997         30            "
11 MAR 22 0000  25.9 S   58.1 E   999         25  Loc. 30-35 kts SE quad
11 MAR 22 0600	25.6 S	 56.7 E  1004         25  NRL Data
11 MAR 22 1200	26.8 S	 57.3 E  1004         25 
11 MAR 22 1800	27.6 S	 58.2 E  1004         25 
11 MAR 23 0000	27.9 S	 59.0 E  1004         25 
11 MAR 23 0600	29.7 S	 62.4 E  1006             NCEP Re-analysis data     					
11 MAR 23 1200	30.0 S	 64.7 E  1005 
11 MAR 23 1800	29.6 S	 65.4 E  1006 
11 MAR 24 0000	30.0 S	 66.3 E  1005 
11 MAR 24 0600	29.4 S	 68.9 E  1006 
11 MAR 24 1200	29.9 S	 71.6 E  1007 
11 MAR 24 1800	30.0 S	 72.6 E  1008 
11 MAR 25 0000	30.2 S	 75.0 E  1009             Sec Cntr: 32.6S/77.5E
11 MAR 25 0600	29.4 S	 77.0 E  1011             Sec Cntr: 33.0S/81.5E

Note: The 19/0600 UTC JTWC warning contained the following comments:
 
"ANIMATED MULTISPECTRAL SATELLITE IMAGERY INDICATES CONTINUED WEAKENING 
OF DEEP CONVECTION OVER THE PAST 06 HOURS WITH THE BULK OF THE DEEP 
CONVECTION CONFINED TO THE SOUTHERN SEMI-CIRCLE.  CONSEQUENTLY, DVORAK 
ESTIMATES FROM PGTW, KNES AND FMEE HAVE DECREASED TO 35 KNOTS.  THE 
CURRENT INTENSITY, HOWEVER, IS ASSESSED HIGHER AT 45 KNOTS BASED ON A 
19/0431Z ASCAT PARTIAL IMAGE, WHICH INDICATES NUMEROUS 40-KNOT VECTORS 
OVER THE SOUTHWEST QUADRANT, AND A 19/0156Z TRMM 37V IMAGE DEPICTING 
A WELL-ORGANIZED LOW-LEVEL CIRCULATION CENTER (LLCC) WITH A MICROWAVE 
EYE FEATURE.  RECENT AUTOMATED INTENSITY ESTIMATES HAVE RANGED FROM 
45 TO 55 KNOTS."

*************************************************************************

Storm Name: None                  Cyclone Number: None    Basin: SWI
MFR Tropical Disturbance Number: 08

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

11 MAR 29 0000  11.0 S   88.3 E  1005         25
11 MAR 29 0600  10.2 S   88.5 E  1005         25
11 MAR 29 1200   9.8 S   88.5 E  1005         25
11 MAR 30 0000   9.3 S   88.1 E  1004         25  Locally 30 kts W semi.
11 MAR 30 1200   8.2 S   87.8 E  1004         25             "
11 MAR 31 0600   7.4 S   89.1 E  1005         25  Locally 30 kts SW semi.

Note: These are all the MFR bulletins--none were issued at 29/1800, 
30/0600, 30/1800, and 31/0000 UTC.   The system was never classified
higher than a tropical disturbance, but MFR assigned some Dvorak ratings
of T2.0/2.0, which would translate to a tropical depression by most
agencies' nomenclature.

*************************************************************************
*************************************************************************

NORTHWEST AUSTRALIA/SOUTHEAST INDIAN OCEAN (AUW) - Longitude 90E to 135E


                          Sources of Information
                          ----------------------

     The track coordinates as well as the central pressure and 10-minute
  average maximum sustained wind estimates were obtained from warnings
  issued by the Tropical Cyclone Warning Centres at Perth, Western
  Australia, and Darwin, Northern Territory.    The 1-minute average
  maximum sustained wind estimates were taken from warnings issued by
  the Joint Typhoon Warning Center (JTWC) of the U. S. Air Force and
  Navy, located at Pearl Harbor, Hawaii.  The center position coordinates
  from JTWC were compared with those from the Australian centres and
  annotations made in the Remarks column when the differences in general
  amounted to 40-50 nm or more.

     Following is the link to the Wikipedia page for the 2010-2011
  Australian Region Cyclone Season:

  http://en.wikipedia.org/wiki/2010%E2%80%9311_Australian_region_cyclone_season>


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

   Tropical LOW (25U / 20S)                            30 Mar - 04 Apr

*************************************************************************

Storm Name: None                  Cyclone Number: 20S     Basin: AUW
Australian LOW: 25U

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

11 MAR 30 0000  10.7 S  132.5 E  1004         20
11 MAR 30 0600  10.6 S  132.3 E  1001         20
11 MAR 30 1200  10.6 S  131.8 E  1002         20
11 MAR 30 1800  10.6 S  131.5 E  1002         20
11 MAR 31 0000  11.0 S  130.9 E  1002         25
11 MAR 31 0600  11.2 S  130.5 E  1000         25
11 MAR 31 1200  12.2 S  131.0 E  1000         25
11 MAR 31 1800  12.4 S  130.4 E   999         25
11 APR 01 0000  11.9 S  129.7 E  1001         25
11 APR 01 0600  12.2 S  129.1 E   998         25
11 APR 01 1200  12.5 S  129.1 E  1000         25
11 APR 01 1800  13.3 S  128.8 E   999         25
11 APR 02 0000  13.5 S  127.6 E   998   35    30
11 APR 02 0600  13.8 S  127.0 E   995         30
11 APR 02 1200  14.0 S  126.6 E   994   35    30
11 APR 02 1800  14.2 S  125.9 E   994         30
11 APR 03 0000  14.6 S  125.3 E   998   35    25
11 APR 03 0600  15.1 S  124.9 E   996         25
11 APR 03 1200  15.6 S  124.5 E   998   35    25
11 APR 03 1800  16.0 S  124.1 E  1000         25
11 APR 04 0000  16.2 S  123.7 E  1000   25    25
11 APR 04 0600  15.7 S  123.0 E  1002         20
11 APR 04 1200  16.3 S  122.4 E         20

*************************************************************************
*************************************************************************

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


                         Sources of Information
                         ----------------------

     The track coordinates as well as the central pressure and 10-minute
  average maximum sustained wind estimates were obtained from warnings
  issued by the Tropical Cyclone Warning Centres at Darwin, Northern
  Territory; Brisbane, Queensland; and Port Moresby, Papua New Guinea.
  The 1-minute average maximum sustained wind estimates were taken from
  warnings issued by the Joint Typhoon Warning Center (JTWC) of the U. S.
  Air Force and Navy, located at Pearl Harbor, Hawaii.    The center
  position coordinates from JTWC were compared with those from the
  Australian centres and annotations made in the Remarks column when the
  differences in general amounted to 40-50 nm or more.

     Following is the link to the Wikipedia page for the 2010-2011
  Australian Region Cyclone Season:

  http://en.wikipedia.org/wiki/2010%E2%80%9311_Australian_region_cyclone_season>


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

   Tropical LOW/Depression (21U / 12F)                 07 - 09 Mar

*************************************************************************

Storm Name: None                  Cyclone Number: None    Basin: AUE/SPA
Australian LOW 21U - Fiji Tropical Disturbance Number: 12F

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

11 MAR 07 0600  16.1 S  157.2 E  1005         25
11 MAR 07 1200  15.7 S  158.2 E  1005         25
11 MAR 07 1800  15.7 S  159.8 E  1004         25
11 MAR 07 2100  16.0 S  161.3 E  1004         25
11 MAR 08 0000  16.1 S  163.1 E                   Sat bulletin
11 MAR 08 0600  16.9 S  164.9 E  1000         40  NW to NE quad
11 MAR 08 1800  19.0 S  171.0 E  1001         35  
11 MAR 08 2100  19.3 S  171.6 E  1001
11 MAR 09 0600  21.1 S  174.0 E  1001         35  NW to SE semi

Note: It should be noted that Fiji will issue gale warnings on tropical
depressions not classifiable as tropical cyclones.  The Fiji requirement
for a tropical cyclone is that gale-force winds must be located near the
centre of circulation and forecast to persist.

*************************************************************************
*************************************************************************

SOUTH PACIFIC (SPA) - South Pacific Ocean East of Longitude 160E


                        Sources of Information
                        ----------------------

     The track coordinates as well as the central pressure and 10-minute
  average maximum sustained wind estimates were obtained from warnings
  issued by the Tropical Cyclone Warning Centres at Nadi, Fiji, and
  Wellington, New Zealand.  The 1-minute average maximum sustained wind
  estimates were taken from warnings issued by the Joint Typhoon Warning
  Center (JTWC) of the U. S. Air Force and Navy, located at Pearl Harbor,
  Hawaii.  The center position coordinates from JTWC were compared with
  those from the Southern Hemisphere centres and annotations made in the
  Remarks column when the differences in general amounted to 40-50 nm
  or more.

     Following is the link to the Wikipedia page for the 2010-2011
  South Pacific Cyclone Season:

  http://en.wikipedia.org/wiki/2010%E2%80%9311_South_Pacific_cyclone_season>


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

   Severe Tropical Cyclone BUNE (13F / 19P)            22 Mar - 05 Apr

*************************************************************************

Storm Name: BUNE                  Cyclone Number: 19P     Basin: SPA
Fiji Tropical Disturbance Number: 13F

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

11 MAR 22 0600  17.2 S  174.9 W  1005
11 MAR 22 1800  17.2 S  176.9 W  1004
11 MAR 23 0000  17.9 S  177.2 W  1003
11 MAR 23 0600  19.7 S  177.8 W   999         25
11 MAR 23 1200  20.0 S  177.8 W   999         30
11 MAR 23 1800  20.5 S  179.0 W   999   35    30
11 MAR 24 0000  21.1 S  179.5 W   995         30
11 MAR 24 0300  21.0 S  179.9 E   990         35  Named TC Bune
11 MAR 24 0600  21.1 S  179.9 W   990   45    40
11 MAR 24 1200  21.3 S  179.9 W   983         50
11 MAR 24 1800  21.5 S  179.9 W   982   65    50
11 MAR 25 0000  21.8 S  179.4 W   976         60
11 MAR 25 0600  22.4 S  179.2 W   970   75    65
11 MAR 25 1200  22.5 S  179.6 W   969         70
11 MAR 25 1800  22.6 S  179.6 W   967   65    70
11 MAR 26 0000  22.9 S  179.8 W   977         60
11 MAR 26 0600  23.0 S  180.0 E   970   65    65
11 MAR 26 1200  23.2 S  179.4 E   973         65
11 MAR 26 1800  23.8 S  179.2 E   973   70    65
11 MAR 27 0000  24.4 S  179.0 E   971         65
11 MAR 27 0600  24.9 S  178.9 E   970   65    65  NZ warnings
11 MAR 27 1200  25.8 S  178.9 E   970         65
11 MAR 27 1800  26.4 S  179.8 E   975   60    60
11 MAR 28 0000  27.4 S  179.1 W   975         60
11 MAR 28 0600  28.4 S  177.9 W   970   50    65
11 MAR 28 1200  29.5 S  176.2 W   967         70
11 MAR 28 1800  31.8 S  174.2 W   975   50    60  JTWC: 31.0S/176.3W
11 MAR 29 0000  32.6 S  176.3 W   989   45        NRL data
11 MAR 29 0600  34.2 S  176.0 W   989   45
11 MAR 29 1200  35.1 S  176.5 W   989   45
11 MAR 29 1800  35.0 S  176.5 W   995             NCEP re-analysis
11 MAR 30 0000  35.0 S  176.9 W   998 
11 MAR 30 0600  35.1 S  177.0 W   999 
11 MAR 30 1200  35.3 S  177.1 W  1003 
11 MAR 30 1800  37.5 S  176.1 W  1004 
11 MAR 31 0000  37.9 S  176.2 W  1004 
11 MAR 31 0600  39.6 S  175.4 W  1003 
11 MAR 31 1200  40.4 S  174.6 W  1002 
11 MAR 31 1800  42.6 S  172.2 W  1000 
11 APR 01 0000  44.8 S  170.0 W   999 
11 APR 01 0600  45.2 S  168.4 W   997 
11 APR 01 1200  47.6 S  167.2 W   997 
11 APR 01 1800  49.7 S  165.5 W   997 
11 APR 02 0000  50.6 S  162.4 W   996 
11 APR 02 0600  52.8 S  159.9 W   995 
11 APR 02 1200  55.2 S  157.1 W   997 
11 APR 02 1800  57.3 S  153.9 W   998 
11 APR 03 0000  58.0 S  150.0 W   999 
11 APR 03 0600  60.0 S  144.4 W  1000 
11 APR 03 1200  60.1 S  140.4 W   999 
11 APR 03 1800  60.1 S  134.7 W   999 
11 APR 04 0000  60.1 S  130.0 W   998 
11 APR 04 0600  59.8 S  125.9 W   998 
11 APR 04 1200  58.8 S  122.3 W   996 
11 APR 04 1800  57.8 S  119.1 W   997 
11 APR 05 0000  57.5 S  112.2 W   997 

*************************************************************************
*************************************************************************

                   ********** SPECIAL NOTE **********

     I now have some assistants who are helping to prepare the monthly
  tropical cyclone files, and I'd like to thank them for their willing-
  ness to assist me.  Kevin Boyle, of Stoke-on-Trent, UK, will be 
  preparing the tracks for Northwest Pacific basin tropical cyclones 
  during the most active part of the NWP season from June through 
  December. 

     Michael Bath, of McLeans Ridges, New South Wales, Australia, is now
  preparing the track files for Australian Region and South Pacific
  tropical cyclones.  Also, Steve Young sends me tracks with data for 
  the pre-warning and post-warning stages of tropical cyclones in all 
  basins, prepared primarily from NCEP re-analysis data or else taken
  from NRL files.

     A very special thanks is due to Kevin, Michael and Steve for their
  assistance.

*************************************************************************

                   SOURCES OF TROPICAL CYCLONE INFORMATION

     The purpose of this section is to list some websites where many and
  varied types of tropical cyclone information are archived.  Many readers
  will know about these already, but for the benefit of those who don't,
  I wanted to include them. 

  (1) Aircraft Reconnaissance Information
  ---------------------------------------

     Various types of messages from reconnaissance aircraft may be
  retrieved from the following FTP site:

     ftp://ftp.nhc.noaa.gov/pub/products/nhc/recon/>

     Information regarding how to interpret the coded reconnaissance
  messages may be found at the following URL:

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

  Links are also included to websites with further information about the
  U. S. Air Force 53rd Weather Reconnaissance Squadron and the NOAA Air-
  craft Operations Center.

  (2) Archived Advisories
  -----------------------

     All the advisory products (public advisories, forecast/advisories,
  strike probabilities, discussions, various graphics) issued by TPC/NHC
  are archived on TPC's website.  For the current year (using 2004 as an
  example), the archived products can be found at:

     http://www.nhc.noaa.gov/archive/2004/index.shtml>

  Links to tropical products archives for earlier years are available at
  the following URL:

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

  JTWC warnings for past storms are archived on the NRL Monterrey website:

     http://www.nrlmry.navy.mil/tc_pages/tc_home.html>

  On the NRL site, the link to past years can be found in the upper left 
  corner of the screen.

     I am not aware at the moment of any other TCWC which archives all
  its tropical cyclone warning/advisory products for public access, but
  if I learn of any, I will add them to this list.

  (3) Satellite Imagery
  ---------------------

     Satellite images of tropical cyclones in various sensor bands are
  available on the NRL Monterrey and University of Wisconsin websites,
  courtesy of Jeff Hawkins and Chris Velden and their associates.  The
  links are:

     http://www.nrlmry.navy.mil/tc_pages/tc_home.html>

     http://cimss.ssec.wisc.edu/tropic/tropic.html>

  On the NRL site, the link to past years can be found in the upper left 
  corner of the screen.  For the CIMSS site, a link to data archives is 
  located in the lower left portion of the screen.

     Additional tropical satellite imagery, along with looping ability for
  composite microwave imagery for the Western Hemisphere north of the
  equator, can be found at:

  (1) For the Eastern North Pacific:

     http://www.ssd.noaa.gov/PS/TROP/trop-epac.html>

  (2) For the Atlantic, Gulf of Mexico and Caribbean Sea:

     http://www.ssd.noaa.gov/PS/TROP/trop-atl.html>

  (4) Cyclone Tracking Information
  --------------------------------

     There is a U. S. Navy site that tracks tropical cyclones at 6-hourly
  intervals which often includes pre and post-advisory positions.  The
  link to the site is:

  http://www.nrlmry.navy.mil/atcf_web/doc_archives/>

     Steve Young has compiled many of these tracks onto a single webpage
  which is very user-friendly:

  http://home.earthlink.net/~shy9/tc1.htm>

*************************************************************************

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

     To repeat the caveat which is included in the Author's Note
  at the end of the cyclone summaries--the tropical cyclone tracks
  I prepare are based upon the operational warnings/advisories/
  advices/bulletins which are issued by 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://www.usno.navy.mil/JTWC>


  SPECIAL NOTE:  Back issues of the global tropical cyclone summaries
  and monthly cyclone track files can be obtained at the following
  websites:

    ftp://ftp.aoml.noaa.gov/hrd/pub/landsea/padgett/>
    http://australiasevereweather.com/cyclones/>
    http://www.typhoon2000.ph>
    http://mpittweather.com>


  PREPARED BY:

  Gary Padgett              garyp@alaweb.com
  Kevin Boyle               michaelpace@btinternet.com
  Michael Bath              mbath@ozemail.com.au


  SIGNIFICANT CONTRIBUTIONS BY:

  Michael V. Padua          michaelpadua@hotmail.com 
                            webmaster@typhoon2000.ph
  Steve Young               shy9@earthlink.net

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Document: trak1103.htm
Updated: 31 May 2011

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