Monday, December 14, 2009

Cyclone "Ward" -- Final Update

By tomorrow this time 7pm IST, we may not be able to see not even a single remnant of Cyclone "Ward" over Bay.
A weak circulation may emerge over Gulf of Mannar on evening of 15-Dec-09.




JTWC: warning
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140900Z POSITION NEAR 8.8N 81.1E.
TROPICAL CYCLONE (TC) 05B (WARD), LOCATED APPROXIMATELY 140 NM
NORTHEAST OF COLOMBO, SRI LANKA, HAS TRACKED WEST-SOUTHWESTWARD
AT 03 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY INDICATES THAT THE LOW LEVEL CIRCULATION CENTER
(LLCC) HAS BECOME INCREASINGLY DISORGANIZED WITH BURSTS OF DEEP
CONVECTION EAST OF THE CENTER. A 140510Z TRMM 37V GHZ IMAGE SHOWS
THAT THE LLCC IS LOCATED ALONG THE EAST COAST OF SRI LANKA WITH
WEAKLY CURVED BANDING. THE CURRENT INTENSITY IS BASED ON DVORAK
ESTIMATES OF 30 KNOTS FROM PGTW, KNES, AND DEMS. TC 05B IS CURRENTLY
DRIFTING WEST-SOUTHWESTWARD AND IS EXPECTED TO CONTINUE TRACKING
ACROSS THE EAST COAST OF SRI LANKA, AND DISSIPATE WITHIN THE NEXT 12
HOURS. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON
WARNING CENTER (NAVMARFCSTCEN). THE SYSTEM WILL BE CLOSELY
MONITORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT
AT 140600Z IS 10 FEET

JTWC: predicted path
-----------------------



IMD: warning
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Time of issue: 1730 hours IST
Sub: Deep depression crossed Sri Lanka coast near Trincomalee (Sri Lanka)

The deep depression over southwest Bay of Bengal crossed north Sri Lanka coast near Trincomalee (Sri Lanka) between 1330 and 1430 hours IST of today, the 14th December 2009 and lay as a depression over north Sri Lanka near lat. 8.50 N and long. 81.00 E, close to Trincomalee at 1430 hrs IST. It is likely to move in a westerly direction, emerge into Gulf of Mannar and cross south Tamil Nadu coast between Kanyakumari and Pamban around afternoon of tomorrow, the 15th December, 2009.
Under its influence, rainfall at many places with isolated heavy to very heavy falls is likely over north coastal Tamilnadu and Puducherry during next 36 hours. Rainfall at many places with isolated heavy to very heavy falls is also likely over south coastal Tamil Nadu during next 24 hours. Rainfall at most places with scattered heavy to very heavy falls and isolated extremely heavy falls (≥ 25 cm) is also likely over south Tamil Nadu for the subsequent 48 hours.
Squally winds speed reaching 45-55 kmph gusting to 65 Kmph are likely along and off Tamil Nadu coast during next 36 hours . Sea condition will rough to very rough along and off Tamil Nadu and Puducherry coasts.

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