000
AXNT20 KNHC 110602
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL  
105 AM EST THU FEB 11 2010

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL 
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS
OF SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST
FROM THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED
ON SATELLITE IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER 
OBSERVATIONS...AND RADAR.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 0515 UTC.

...THE ITCZ...

FROM THE BORDER OF SIERRA LEONE AND LIBERIA NEAR 7N11W TO 4N20W
TO 2N30W 1N40W...INTO COASTAL NORTHEASTERN BRAZIL NEAR 1N48W.
SHOWERS ARE FROM 2N TO 7N BETWEEN 10W AND 27W.

...DISCUSSION...

THE GULF OF MEXICO...
BROAD UPPER LEVEL ANTICYCLONIC FLOW COVERS THE AREA. HIGH LEVEL 
MOISTURE IS TO THE NORTH OF THE LINE FROM LAKE OKEECHOBEE TO
25N90W TO 17N98W. A SURFACE RIDGE RUNS FROM SOUTHWESTERN LOUISIANA
TO WESTERN CUBA. A SURFACE TROUGH HUGS THE COASTAL WATERS FROM
THE NORTHERN ISTHMUS OF OF TEHUANTEPEC TO 22N97W TO THE BORDER
OF TEXAS AND MEXICO NEAR 26N98W.

THE CARIBBEAN SEA...
CLOUDS AND POSSIBLE SHOWERS ARE IN THE NORTHWESTERN CORNER OF
THE AREA...TO THE NORTHWEST OF THE LINE FROM SOUTHEASTERN CUBA
INTO THE GULF OF HONDURAS. THESE CLOUDS AND POSSIBLE PRECIPITATION
ARE ASSOCIATED WITH THE CURRENT COLD FRONT THAT IS MOVING THROUGH THE 
AREA FROM THE ATLANTIC OCEAN INTO THE NORTHWESTERN CARIBBEAN SEA.
 
THE ATLANTIC OCEAN.
A WESTERN ATLANTIC OCEAN-T0-NORTHWESTERN CARIBBEAN SEA COLD FRONT IS 
SUPPORTED BY A CYCLONIC CIRCULATION CENTER THAT IS NEAR 37N69W. THE
COLD FRONT GOES FROM 32N61W TO 24N70W...ACROSS THE SOUTHERN BAHAMAS 
ISLANDS...ACROSS EASTERN CUBA INTO THE NORTHWESTERN CARIBBEAN SEA.
CLOUDS AND POSSIBLE SHOWERS ARE WITHIN 60 NM TO 120 NM ON EITHER SIDE 
OF 32N54W 28N60W 23N69W...AND 22N74W 20N80W TO 19N87W. A MIDDLE LEVEL 
TO UPPER LEVEL EAST CENTRAL ATLANTIC OCEAN TROUGH PASSES THROUGH
32N39W TO 23N42W. THIS TROUGH SUPPORTS THE COLD FRONT THAT PASSES
THROUGH 32N32W TO 26N40W TO 20N50W. LITTLE TO NO PRECIPITATION
ACCOMPANIES THIS FRONT AND TROUGH.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE.

$$
MT