Possible Flooding in Haiti - Near Gale-Force Winds
Posted by JAC on 12/23/2009, 2:23 pm
Ship at 19.4N 74.3W, 1800Z reports 40 knot winds.

http://www.ndbc.noaa.gov/radial_search.php?lat1=17N&lon1=75W&dist=250&ot=A&time=1



TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL  
105 PM EST WED DEC 23 2009


CARIBBEAN SEA...

HEAVY RAINFALL EXPECTED OVER HISPANIOLA DURING THE NEXT 24
HOURS. A SURFACE LOW MEASURING 1007 MB IS CENTERED NEAR 17N18W.
THIS IS 80 NM SOUTH OF THE SOUTHERN COAST OF HAITI. A STATIONARY
FRONT EXTENDS ACROSS HAITI FROM 19N72W TO THE LOW CENTER. A
SURFACE TROUGH EXTENDS SSW FROM THE LOW CENTER TO CENTRAL
PANAMA. STRONG CONVECTION IS HEADING TO CENTRAL HISPANIOLA OVER
THE NEXT 12 HOURS. THIS LOW PRESSURE SYSTEM IS DEEPENING AS IT
MOVES NNE AT ABOUT 20 KT. SIGNIFICANT UPPER LEVEL MOISTURE IS
FEEDING THIS SYSTEM. HEAVY RAINFALL MAY INCREASE THE FLOODING
POTENTIAL OVER THIS REGION...ESPECIALLY EAST AND CENTRAL
HAITI...AND CENTRAL DOMINICAN REPUBLIC. SHIP AND BUOY
OBSERVATIONS SHOW STRONG TO NEAR GALE WINDS AROUND THE LOW
CENTER. THE WESTERN BASIN IS INFLUENCED BY STRONG SUBSIDENCE OF
AIR BEHIND THE MAIN SYSTEM. MODERATE TRADEWINDS ARE OVER THIS
REGION. EXPECT OVER THE NEXT 24 HOURS FOR THE SURFACE LOW TO
CONTINUE TO MOVE NE TO NEAR THE TURKS AND CAICOS ISLANDS WITH A
TROUGH EXTENDING S TO N COLOMBIA.



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A roll starting up in the mid Carib - JAC, 12/22/2009, 3:01 pm
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