000
AXNT20 KNHC 231759
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL  
105 PM EST TUE FEB 23 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1715 UTC.

...THE ITCZ...
FROM THE SIERRA LEONE COAST NEAR 7N12W TO 3N20W TO THE EQUATOR
ALONG 30W...TO 1N40W 2N46W...INTO NORTHEASTERN BRAZIL NEAR
1N50W. ISOLATED MODERATE SHOWERS WITHIN 60 NM ON EITHER SIDE OF
3N15W 2N20W 1N22W 1N28W 1S30W 2S35W...AND REMNANT CLOUDS FROM 
EARLIER PRECIPITATION/ALREADY DISSIPATING PRECIPITATION TO THE
SOUTH OF 4N BETWEEN 45W AND 50W.

...DISCUSSION...

WITH THE COLD FRONT THAT EXTENDS FROM THE WESTERN ATLANTIC 
OCEAN...ACROSS CENTRAL FLORIDA...INTO THE GULF OF MEXICO...
A COLD FRONT PASSES THROUGH 32N72W TO 28N77W...TO FLORIDA
NEAR 29N92W...ACROSS THE SOUTHEASTERN GULF OF MEXICO...
TO THE NORTHERN YUCATAN PENINSULA...TO THE MEXICO GULF COAST 
NEAR 22N98W. AN UPPER LEVEL TROUGH PASSES THROUGH 32N68W TO 
27N71W TO 23N74W. BROKEN TO OVERCAST MULTILAYERED CLOUDS AND 
POSSIBLE SHOWERS ARE FROM 22N BEYOND 32N BETWEEN 60W AND 72W.
SHOWERS ARE POSSIBLE IN THE GULF OF MEXICO BUT NOT READILY
EVIDENT AT THIS MOMENT. BROAD UPPER LEVEL ANTICYCLONIC FLOW
COVERS THE GULF OF MEXICO.

THE CARIBBEAN SEA...
A FAR-NORTHWESTERN CARIBBEAN SEA SURFACE TROUGH EXTENDS FROM THE 
WESTERN TIP OF CUBA TO 20N87W TO NORTHWESTERN COASTAL HONDURAS
NEAR 16N87W. NO PRECIPITATION IS ASSOCIATED WITH THIS TROUGH.
BROAD UPPER LEVEL ANTICYCLONIC FLOW COVERS THE AREA. 

THE REST OF THE ATLANTIC OCEAN...
A DISSIPATING STATIONARY FRONT IS ALONG 32N BETWEEN 45W AND 
BERMUDA. A SURFACE 1017 MB HIGH PRESSURE CENTER IS NEAR 27N55W. 
AN UPPER LEVEL TROUGH IS ALONG 32N35W TO 27N43W 20N42W. BROKEN 
TO OVERCAST MULTILAYERED CLOUDS AND POSSIBLE SHOWERS ARE FROM 
20N TO 30N BETWEEN 33W AND 42W. SURFACE ANTICYCLONIC FLOW IS 
ALONG A RIDGE 30N12W TO A 1022 MB HIGH PRESSURE CENTER THAT IS 
NEAR 26N22W TO 22N31W 19N45W.

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

$$
MT