000
AXNT20 KNHC 020601
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
105 AM EST FRI MAR 02 2012

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...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL 
ANALYSIS.

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

...THE ITCZ/THE MONSOON TROUGH...

THE MONSOON TROUGH IS NON-EXISTENT IN THE ATLANTIC OCEAN OFF THE 
COAST OF AFRICA. THE ITCZ IS ALONG 4N12W 3N13W 3N16W...CROSSING
THE EQUATOR ALONG 16W...1S31W TO THE EQUATOR BETWEEN 35W AND 
41W...CONTINUING INTO NORTHEASTERN COASTAL BRAZIL NEAR 2S46W. 
ISOLATED MODERATE CONVECTIVE PRECIPITATION IS TO THE SOUTH
OF 4N TO THE EAST OF 50W.

...DISCUSSION...

THE GULF OF MEXICO...
BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW SPANS THE AREA.
A SURFACE RIDGE PASSES THROUGH 26N72W IN THE ATLANTIC OCEAN
TO SOUTH FLORIDA...INTO THE CENTRAL GULF OF MEXICO...TOWARD
THE LOWER TEXAS GULF COAST. 

FROM THE ATLANTIC OCEAN INTO THE CARIBBEAN SEA...
AND THE REST OF THE CARIBBEAN SEA...
AN UPPER LEVEL TROUGH EXTENDS FROM 22N62W IN THE ATLANTIC 
OCEAN...THROUGH THE MONA PASSAGE...INTO THE CENTRAL CARIBBEAN 
SEA...BEYOND COSTA RICA INTO THE EASTERN PACIFIC OCEAN.
RAINSHOWERS ARE POSSIBLE FROM 18N TO 21N BETWEEN 63W AND 65W...
TO THE NORTH OF ANGUILLA...THE ANEGADA PASSAGE...AND THE VIRGIN 
ISLANDS. A SURFACE TROUGH IS ALONG 14N64W 12N63W 9N62W...FROM 
THE WATERS INTO NORTHEASTERN VENEZUELA. SCATTERED MODERATE 
CONVECTIVE PRECIPITATION IS FROM 11N TO 13N BETWEEN 60W AND 63W.

THE REST OF THE ATLANTIC OCEAN...
A SURFACE RIDGE EXTENDS FROM A 1029 MB HIGH PRESSURE CENTER THAT 
IS NEAR 33N18W...TO 29N31W 27N43W 27N58W 26N72W...AND BEYOND 
SOUTH FLORIDA INTO THE CENTRAL GULF OF MEXICO.

 MIDDLE LEVEL TO 
UPPER LEVEL TROUGH THAT IS TO THE NORTH OF 33N SUPPORTS A COLD 
FRONT THAT PASSES THROUGH 32N42W TO 31N44W. A DISSIPATING COLD 
FRONT CONTINUES FROM 31N44W TO 29N49W AND 31N62W. A SURFACE 
TROUGH PASSES THROUGH 32N36W TO 27N44W. AN UPPER LEVEL TROUGH 
REACHES ITS BASE NEAR 33N11W. THIS TROUGH SUPPORTS A DISSIPATING 
COLD FRONT THAT PASSES THROUGH 31N14W TO 27N24W.

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

$$
MT