JTWC | PAGASA | RSMC-JMA
* - Eye/O: Round | Eye/C: Cloud-Filled | Eye/E: Elliptical | Eye/R: Ragged | Eye/I: Irregular | Eye/CC: Concentric
Eye/S: Symmetrical | Eye/P: Pinhole
CODE LOG: TWELLOG.1211
JTWC Tropical Cyclone Warning Log
Name: Typhoon MERBOK (12W)
Date: August 03-08, 2011
Wind Speed: 80 Knots [Category 1]
1-min.Winds
Warning Date/Time (in Knots) Direction of
Number (in UTC) Lat Lon Sust Gust Movement (Kts) Status Remarks
-------------------------------------------------------------------------------------------
001 03/0600Z 23.5N 160.7E 30 40 W 12 TropDep Initial
002 03/1200Z 23.5N 159.4E 35 45 W 12 TropStm Upgraded
003 03/1800Z 23.3N 158.9E 35 45 W 09 TropStm Slowed Down
004 04/0000Z 24.3N 158.4E 40 50 NW 07 TropStm Intensified
005 04/0600Z 24.7N 157.3E 40 50 WNW 11 TropStm Accelerated
006 04/1200Z 24.9N 156.7E 35 45 WNW 07 TropStm Weakened
007 04/1800Z 25.4N 156.2E 35 45 NW 07 TropStm Changed Course
008 05/0000Z 26.3N 155.4E 45 55 NW 12 TropStm Intnsfd/Acclrtd
009 05/0600Z 26.8N 155.3E 50 65 NNW 08 TropStm Intensified
010 05/1200Z 27.0N 154.7E 55 70 NW 06 TropStm Intensified
011 05/1800Z 27.6N 154.2E 55 70 NW 07 TropStm ...
012 06/0000Z 28.1N 153.8E 60 75 NW 06 TropStm Near Typhoon
013 06/0600Z 28.7N 154.0E 65 80 N 06 Typhoon Upgraded/Cat 1
014 06/1200Z 29.3N 153.8E 75 90 N 06 Typhoon Rpdly Intnsfd
015 06/1800Z 30.3N 153.9E 75 90 N 10 Typhoon Accelerated
016 07/0000Z 31.0N 154.0E 80 100 N 07 Typhoon Intensified
017 07/0600Z 31.5N 154.1E 75 90 N 05 Typhoon Weakened
018 07/1200Z 32.4N 154.4E 70 85 NNE 09 Typhoon Weakened
019 07/1800Z 33.1N 155.0E 65 80 NE 09 Typhoon Weakened
020 08/0000Z 34.3N 156.2E 65 80 NE 16 Typhoon Accelerated
021 08/0600Z 35.9N 157.8E 60 75 NE 21 TropStm Downgraded
022 08/1200Z 37.4N 159.1E 55 70 NE 18 TropStm Weakened
023 08/1800Z 39.2N 160.3E 50 65 NNE 20 TropStm Weakened/Final
Note: The above data are taken from its real-time, 6-hrly. TC Warnings. The Best Track data
for this system will be released on the upcoming 2011 Annual Tropical Cyclone Report
sometime next year (2012). For details proceed to this link.
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CODE LOG: MERBLOG.1110
RSMC-JMA (Tokyo) Typhoon Center Tropical Cyclone Warning Log
Name: Severe Tropical Storm 1110 MERBOK (1110)
Date: August 02-09, 2011
Wind Speed: 55 Knots
10-min.Winds
Date/Time (in Kts) Direction of Pressure
(in UTC) Lat Lon Sust Gust Movement (Kts) (in mb) Status Remarks
-------------------------------------------------------------------------------------------
02/1800Z 21.0N 164.0E .. .. Almst Stnry 1008 TropDis Initial
03/0000Z 23.3N 162.0E 30 45 W 15 1006 TropDep Upgraded
03/0600Z 23.4N 160.9E 35 50 W 13 1000 TropStm Upgraded
03/1200Z 23.7N 160.0E 35 50 WNW 08 1000 TropStm Slowed Down
03/1800Z 23.6N 159.0E 35 50 W 09 1000 TropStm ...
04/0000Z 24.5N 158.4E 35 50 NNW 10 1000 TropStm Changed Course
04/0600Z 24.7N 157.2E 35 50 W 11 998 TropStm Erratic Motion
04/1200Z 24.9N 156.8E 35 50 WNW 06 998 TropStm Slowed Down
04/1800Z 25.1N 156.2E 35 50 WNW 06 998 TropStm ...
05/0000Z 25.5N 155.2E 40 60 WNW 08 996 TropStm Intensified
05/0600Z 26.8N 155.3E 45 65 NNW 10 990 TropStm Intensified
05/1200Z 27.3N 154.8E 45 65 NW 06 990 TropStm Slowed Down
05/1800Z 27.5N 154.4E 50 70 WNW Slowly 985 SeveStm Upgraded
06/0000Z 28.1N 154.0E 50 70 NW 06 985 SeveStm ...
06/0600Z 28.8N 153.7E 50 70 NNW 06 985 SeveStm ...
06/1200Z 29.3N 153.7E 55 80 N Slowly 980 SeveStm Intensified
06/1800Z 30.1N 153.7E 55 80 N 08 980 SeveStm Accelerated
07/0000Z 30.9N 154.0E 55 80 NNE 08 980 SeveStm Changed Course
07/0600Z 31.5N 154.6E 55 80 NE 07 980 SeveStm Changed Course
07/1200Z 32.1N 155.0E 55 80 NNE 07 980 SeveStm ...
07/1800Z 33.1N 155.5E 55 80 NNE 07 980 SeveStm ...
08/0000Z 34.0N 156.2E 50 70 NNE 10 985 SeveStm Weakened
08/0600Z 35.7N 157.7E 50 70 NE 15 980 SeveStm Accelerated
08/1200Z 37.3N 159.0E 50 70 NNE 19 980 SeveStm Accelerated
08/1800Z 38.9N 160.0E 45 65 NNE 17 985 TropStm Downgraded
09/0000Z 40.4N 160.6E 45 65 NNE 15 985 TropStm ...
09/0600Z 41.5N 161.1E 45 65 NNE 11 985 TropStm Slowed Down
09/1200Z 41.9N 162.7E 45 65 ENE 12 985 TropStm Changed Course
09/1800Z 43.0N 164.0E 40 .. NE 15 988 DeveLow Final Log
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Note: Updated time is in Philippine Standard Time Zone. All data are taken from its respective weather agencies: Joint Typhoon Warning Center (JTWC), Philippine Atmospheric, Geophysical, & Astronomical Services Administration (PAGASA), & Regional Specialized Meteorological Centre-Tokyo Typhoon Centre, Japan Meteorological Agency (RSMC-JMA).
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