[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 031118
TWDAT

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
705 AM EST FRI FEB 03 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1045 UTC.

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

THE MONSOON TROUGH PASSES THROUGH COASTAL SIERRA LEONE NEAR
8N13W TO 5N18W. THE ITCZ CONTINUES FROM 5N18W TO 2N35W TO 2N41W.
SCATTERED MODERATE TO ISOLATED STRONG RAINSHOWERS ARE FROM
THE EQUATOR TO 1N BETWEEN 1W AND 5W. ISOLATED MODERATE
RAINSHOWERS ARE FROM 1N TO 6N BETWEEN 33W AND 50W.

...DISCUSSION...

FROM THE ATLANTIC OCEAN TO THE WEST OF 65W INTO
THE GULF OF MEXICO...
UPPER LEVEL SOUTHWESTERLY AND SOUTHERLY WIND FLOW MOVES ACROSS
THE GULF OF MEXICO. AN UPPER LEVEL TROUGH...THAT IS SPREADING
CYCLONIC WIND FLOW THAT COVERS THE ATLANTIC OCEAN THAT IS TO THE
NORTH OF 30N TO THE WEST OF 60W...SUPPORTS A COLD FRONT THAT
PASSES THROUGH 32N68W TO 29N74W. THE COLD FRONT DISSIPATES
FROM 29N74W TO FLORIDA FROM 27N TO 28N...TO THE BORDER OF
SOUTHEASTERN MISSISSIPPI AND SOUTHWESTERN ALABAMA. A STATIONARY
FRONT CONTINUES FROM THE BORDER AREA THROUGH SOUTHERN MISSISSIPPI
INTO NORTHERN LOUISIANA. NO SIGNIFICANT DEEP CONVECTIVE
PRECIPITATION IS APPARENT SOLELY BASED ON SATELLITE IMAGERY.

THE CARIBBEAN SEA...
BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW SPANS THE AREA.
GALE-FORCE WINDS ARE OBSERVED AND FORECAST FROM 11N TO 13N
BETWEEN 74W AND 77W IN THE COASTAL WATERS OF COLOMBIA.
SEA HEIGHTS RANGE FROM 10 TO 15 FT. THESE CONDITIONS ARE
FORECAST FOR THE NEXT 24 HOURS...AND WIND SPEEDS ARE FORECAST
TO BE LESS THAN GALE-FORCE AT 30 HOURS.

THE REST OF THE ATLANTIC OCEAN TO THE EAST OF 65W...
AN UPPER LEVEL TROUGH PASSES THROUGH 32N42W TO 24N44W TO
15N45W 12N46W. ISOLATED MODERATE RAINSHOWERS ARE FROM
22N TO 26N BETWEEN 43W AND 46W. PART OF THE AREA OF THIS TROUGH
WAS ASSOCIATED WITH A TROUGH THAT ORIGINALLY PASSED THROUGH
MOROCCO 24 HOURS AGO. THE PART OF THE TROUGH THAT WAS PASSING
THROUGH WESTERN AFRICA AT THAT MOMENT HAS SEPARATED ITSELF
COMPLETELY FROM THE 32N42W 12N46W TROUGH...AND IT NOW REMAINS
ONLY IN AFRICA. A SURFACE RIDGE PASSES THROUGH 32N36W TO 28N54W.
BROAD SURFACE ANTICYCLONIC WIND FLOW COVERS THE ATLANTIC OCEAN
TO THE NORTH OF 23N TO THE EAST OF 55W.

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

$$
MT





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