000
AXNT20 KNHC 010532
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL  
105 AM EST MON MAR 01 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 GOES-12 SATELLITE
IMAGERY THROUGH 0345 UTC...AND METEOSAT 09 IMAGERY THROUGH
0500 UTC...

...THE ITCZ...
FROM THE LIBERIA COAST NEAR 6N9W TO 2N20W 2N30W 1N40W 1N50W
INTO NORTHEASTERN BRAZIL NEAR THE EQUATOR ALONG 52W. ISOLATED
MODERATE SHOWERS ARE WITHIN 30 NM TO 60 NM ON EITHER SIDE OF 
6N10W 2N20W 2N31W 2N40W 2N46W.

...DISCUSSION...

THE GULF OF MEXICO...
GENERALLY UPPER LEVEL WESTERLY WIND FLOW COVERS THE AREA.
SURFACE ANTICYCLONIC WIND FLOW MOVES AROUND A RIDGE THAT
GOES FROM A 1018 MB HIGH PRESSURE CENTER THAT IS NEAR 28N87W...
TO 24N83W...TO SOUTHEASTERN CUBA. THE UPPER LEVEL TROUGH THAT 
SUPPORTS THE CURRENT 32N59W TO 20N70W ATLANTIC OCEAN COLD FRONT
PASSES THROUGH ANDROS ISLAND INTO THE NORTHWESTERN CARIBBEAN SEA
NEAR 18N83W. A MIDDLE LEVEL TO UPPER LEVEL TROUGH IS DEVELOPING
FROM SOUTHEASTERN NEW MEXICO INTO WEST TEXAS INTO NORTH CENTRAL 
MEXICO. A SURFACE FRONTAL BOUNDARY IS IN THE SAME AREA. 
PRECIPITATION IS POSSIBLE IN TEXAS TO THE NORTH OF 30N TO THE 
WEST OF 100W...AND IN EAST TEXAS TO THE NORTH OF 30N.
 
THE CARIBBEAN SEA...
A COLD FRONT PASSES THROUGH 25N65W IN THE ATLANTIC OCEAN TO 
20N70W...ACROSS HISPANIOLA...INTO THE CARIBBEAN SEA NEAR 17N74W
TO 13N80W...TO THE BORDER OF COSTA RICA AND PANAMA. A SURFACE 
TROUGH IS TO THE SOUTH OF 15N WITHIN 120 NM TO 180 NM TO THE 
EAST OF THE COLD FRONT. SHOWERS ARE POSSIBLE FROM HISPANIOLA
TO 21N BETWEEN 66W AND 76W OF SOUTHEASTERN CUBA...TO THE 
SOUTH OF 12N BETWEEN 79W AND 85W IN THE COASTAL WATERS AND
IN COSTA RICA AND PANAMA. BROAD UPPER LEVEL SOUTHWESTERLY-
TO-WESTERLY WIND FLOW COVERS THE AREA.

THE ATLANTIC OCEAN...
A WESTERN ATLANTIC OCEAN DEEP LAYER TROUGH PASSES THROUGH BERMUDA
TO 27N69W...ON TOP OF ANDROS ISLAND IN THE BAHAMAS...INTO THE 
NORTHWESTERN CARIBBEAN SEA NEAR 18N83W. THIS TROUGH SUPPORTS THE 
COLD FRONT THAT 32N59W TO 25N65W AND BEYOND 20N70W ACROSS 
HISPANIOLA INTO THE CARIBBEAN SEA. SHOWERS AND POSSIBLE 
THUNDERSTORMS ARE WITHIN 30 NM TO 45 NM ON EITHER SIDE OF 24N59W
29N54W BEYOND 32N50W. AN EASTERN ATLANTIC OCEAN TROUGH ON WATER 
VAPOR IMAGERY PASSES THROUGH 32N30W TO 27N29W TO 21N22W AND 
14N21W. THIS TROUGH SUPPORTS THE COLD FRONT THAT PASSES THROUGH 
32N28W TO 30N30W 26N40W 26N43W. SHOWERS AND POSSIBLE 
THUNDERSTORMS ARE TO THE NORTH OF 28N BETWEEN 20W AND 29W.

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

$$
MT