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
CODE LOG: VALOG.0911
JTWC Tropical Cyclone Warning Log
Name: Typhoon VAMCO (11W)
Date: August 16-25, 2009
Wind Speed: 115 Knots
1-min.Winds
Warning Date/Time (in Knots) Direction of
Number (in UTC) Lat Lon Sust Gust Movement (Kts) Status Remarks
-------------------------------------------------------------------------------------------
... 16/0000Z 11.2N 161.4E 15 20 W 07 TropDis TCFA
001 17/0000Z 12.4N 158.9E 25 35 WNW 10 TropDep Initial Warning
002 17/0600Z 13.5N 158.7E 25 35 N 11 TropDep Changed Course
003 17/1200Z 14.0N 158.4E 35 45 NNW 06 TropStm Upgraded
004 17/1800Z 14.9N 157.7E 35 45 NW 09 TropStm Intensifying
005 18/0000Z 15.6N 157.2E 40 50 NW 09 TropStm Intensified
006 18/0600Z 16.3N 157.2E 45 55 N 07 TropStm Intensified
007 18/1200Z 16.7N 157.4E 50 65 N 05 TropStm Intensified
008 18/1800Z 17.2N 157.3E 50 65 N 05 TropStm ...
009 19/0000Z 17.3N 157.5E 65 80 NNE 03 Typhoon Upgraded
010 19/0600Z 17.8N 157.7E 65 80 NNE 05 Typhoon Slowed Down
011 19/1200Z 18.0N 157.7E 90 110 N 02 Typhoon Cat2/Intnsfd
012 19/1800Z 18.3N 157.5E 90 110 N 02 Typhoon Quasi-Stnry
013 20/0000Z 18.5N 157.4E 105 130 NNW 02 Typhoon Intnsfd/Cat3
014 20/0600Z 18.9N 157.1E 105 130 NW 04 Typhoon ...
015 20/1200Z 19.1N 157.2E 105 130 N 03 Typhoon ...
016 20/1800Z 19.3N 157.0E 105 130 NW 03 Typhoon ...
017 21/0000Z 19.8N 156.8E 105 130 NW 05 Typhoon ...
018 21/0600Z 20.5N 156.8E 115 140 N 07 Typhoon Intnsfd/Cat4
019 21/1200Z 21.2N 156.7E 115 140 N 07 Typhoon ...
020 21/1800Z 22.2N 156.8E 105 130 N 10 Typhoon Weakened/Cat3
021 22/0000Z 23.6N 156.7E 95 115 N 14 Typhoon Weakened/Cat2
022 22/0600Z 24.6N 156.3E 95 115 NNW 11 Typhoon ...
023 22/1200Z 25.5N 156.0E 95 115 NNW 09 Typhoon ...
024 22/1800Z 26.5N 155.4E 90 110 NNW 09 Typhoon Weakened
025 23/0000Z 27.5N 155.1E 90 110 NNW 10 Typhoon ...
026 23/0600Z 28.5N 154.9E 85 105 N 10 Typhoon Weakened
027 23/1200Z 29.3N 154.6E 85 105 NNW 08 Typhoon Slowed Down
028 23/1800Z 30.0N 154.4E 85 105 NNW 07 Typhoon Large Eye
029 24/0000Z 31.0N 154.6E 80 100 N 10 Typhoon Weakened/Cat1
030 24/0600Z 32.1N 155.0E 85 105 N 11 Typhoon 45-NM Eye/O*
031 24/1200Z 33.6N 155.4E 85 105 NNE 15 Typhoon Accelerated/Cat2
032 24/1800Z 35.3N 155.9E 85 105 NNE 17 Typhoon Accelerated
033 25/0000Z 38.1N 156.9E 75 90 NNE 29 Typhoon Acclrtd/Weakened
034 25/0600Z 41.6N 158.9E 65 80 NNE 38 Typhoon Final Log
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 2009 Annual Tropical Cyclone Report
sometime next year (2010). For details visit: www.npmoc.navy.mil/jtwc/atcr/atcr_archive.html
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CODE LOG: VAMCOLOG.0910
RSMC-JMA (Tokyo) Typhoon Center Tropical Cyclone Warning Log
Name: Typhoon 0910 VAMCO (0910)
Date: August 16-26, 2009
Wind Speed: 90 Knots
10-min.Winds
Date/Time (in Kts) Direction of Pressure
(in UTC) Lat Lon Sust Gust Movement (Kts) (in mb) Status Remarks
-------------------------------------------------------------------------------------------
16/0600Z 11.0N 161.0E .. .. W Slowly 1006 TropDis Initial
16/1200Z 12.0N 161.0E 25 .. W Slowly 1008 TropDep Upgraded
16/1800Z 11.0N 160.0E 25 .. WNW 10 1006 TropDep Accelerated
17/0000Z 12.6N 159.0E 30 45 WNW 10 1006 TropDep Intensified
17/0600Z 12.9N 158.7E 30 45 NW Slowly 1006 TropDep Slowed Down
17/1200Z 13.7N 158.4E 30 45 NNW 08 1004 TropDep Accelerated
17/1800Z 14.5N 158.3E 35 50 N 08 1000 TropStm Upgraded
18/0000Z 15.6N 157.8E 35 50 NNW 10 1000 TropStm Accelerated
18/0600Z 16.2N 157.5E 40 60 NNW 10 996 TropStm Intensified
18/1200Z 16.6N 157.2E 50 70 NW Slowly 985 SeveStm Upgraded
18/1800Z 17.2N 157.1E 55 80 N 06 980 SeveStm Intensified
19/0000Z 17.3N 157.5E 65 95 E Slowly 970 Typhoon Upgraded
19/0600Z 17.7N 157.7E 65 95 NNE Slowly 970 Typhoon ...
19/1200Z 18.0N 157.6E 85 120 NNW Slowly 965 Typhoon Intensified
19/1800Z 18.2N 157.5E 85 120 NNW Slowly 965 Typhoon ...
20/0000Z 18.6N 157.4E 90 130 N Slowly 945 Typhoon Intensified
20/0600Z 18.9N 157.1E 90 130 NW Slowly 945 Typhoon ...
20/1200Z 19.0N 157.1E 90 130 N Slowly 945 Typhoon ...
20/1800Z 19.3N 157.0E 90 130 NNW Slowly 945 Typhoon ...
21/0000Z 19.8N 156.8E 90 130 NNW Slowly 945 Typhoon ...
21/0600Z 20.5N 156.8E 90 130 N 07 945 Typhoon Accelerated
21/1200Z 21.1N 156.7E 90 130 N 06 945 Typhoon ...
21/1800Z 22.1N 156.9E 90 130 N 10 945 Typhoon ...
22/0000Z 23.5N 156.7E 80 115 N 14 955 Typhoon Weakened/Acclrtd
22/0600Z 24.6N 156.2E 80 115 NNW 11 955 Typhoon ...
22/1200Z 25.6N 155.9E 80 115 NNW 10 955 Typhoon ...
22/1800Z 26.5N 155.5E 80 115 NNW 09 955 Typhoon ...
23/0000Z 27.5N 155.0E 80 115 NNW 10 955 Typhoon Compact TC
23/0600Z 28.5N 154.9E 80 115 N 10 955 Typhoon ...
23/1200Z 29.3N 154.6E 80 115 NNW 08 955 Typhoon Slowed Down
23/1800Z 30.0N 154.4E 80 115 N 07 955 Typhoon ...
24/0000Z 31.0N 154.7E 80 115 N 10 955 Typhoon Accelerated
24/0600Z 32.2N 154.9E 75 105 N 12 960 Typhoon Weakened
24/1200Z 33.6N 155.3E 75 105 N 14 960 Typhoon Accelerated
24/1800Z 35.5N 155.9E 75 105 N 19 960 Typhoon Accelerated
25/0000Z 38.1N 156.8E 70 100 NNE 25 965 Typhoon Weakened/Acclrtd
25/0600Z 41.4N 158.6E 65 95 NNE 32 975 Typhoon Weakened/Acclrtd
25/1200Z 45.2N 161.5E 60 85 NNE 43 980 SeveStm Downgraded
25/1800Z 48.5N 164.7E 55 80 NNE 39 985 SeveStm Weakened
26/0000Z 51.0N 169.0E 45 .. NE 40 988 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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