[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 241157
TWDAT

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
705 AM EST TUE JAN 24 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 1115 UTC.

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

THE MONSOON TROUGH PASSES THROUGH COASTAL GUINEA NEAR 11N15W
TO 6N16W. THE ITCZ CONTINUES FROM 6N16W TO 6N20W 5N30W 2N40W...
CROSSING THE EQUATOR ALONG 46W...INTO NORTHEASTERN BRAZIL NEAR
3S50W. SCATTERED MODERATE TO ISOLATED STRONG RAINSHOWERS ARE
TO THE SOUTH OF 2N BETWEEN 2W AND 6W...TO THE SOUTH OF 4N
BETWEEN 18W AND 23W...AND TO THE SOUTH OF 4N BETWEEN 34W
AND 50W.

...DISCUSSION...

THE GULF OF MEXICO...
CYCLONIC WIND FLOW THAT IS MOVING AROUND A DEEP LAYER TROUGH
COVERS THE U.S.A. TO THE NORTH OF 36N BETWEEN 70W AND 92W.
THE UPPER LEVEL SUPPORT FOR THE CURRENT GULF OF MEXICO FRONTAL
BOUNDARY IS MISSING. A COLD FRONT PASSES THROUGH THE FLORIDA
PANHANDLE TO 29N90W IN THE GULF OF MEXICO. A WARM FRONT
CONTINUES FROM 29N90W TO THE LOWER TEXAS GULF COAST. RAINSHOWERS
ARE POSSIBLE IN THE GULF WATERS TO THE NORTH OF 27N BETWEEN
FLORIDA AND 91W.

THE CARIBBEAN SEA...
MIDDLE LEVEL TO UPPER LEVEL CYCLONIC WIND FLOW COVERS THE AREA
THAT IS TO THE NORTH OF 15N TO THE EAST OF 73W. UPPER LEVEL
SOUTHWESTERLY WIND FLOW MOVES FROM THE EASTERN PACIFIC OCEAN
ACROSS PARTS OF CENTRAL AMERICA...AND FROM SOUTH AMERICA...
NORTHEASTWARD. THE 24-HOUR RAINFALL TOTAL FOR CURACAO FOR THE
PERIOD ENDING AT 24/0000 UTC WAS 0.50 OF AN INCH. RAINSHOWERS
ARE POSSIBLE IN BROKEN TO OVERCAST MULTILAYERED CLOUDS THAT
ARE TO THE EAST OF 84W IN MANY PARTS OF THE AREA.

THE ATLANTIC OCEAN...
A MIDDLE LEVEL TO UPPER LEVEL CYCLONIC CIRCULATION CENTER IS
NEAR 24N65W. THE CYCLONIC WIND FLOW THAT IS MOVING AROUND THIS
CENTER COVERS THE AREA FROM THE CARIBBEAN SEA TO THE NORTH OF
15N BETWEEN 52W AND 73W. A SURFACE TROUGH IS ALONG 31N70W
25N73W. SCATTERED MODERATE TO STRONG RAINSHOWERS ARE FROM 22N
TO 25N BETWEEN 59W AND 63W. UPPER LEVEL SOUTHWESTERLY WIND FLOW
MOVES FROM THE CARIBBEAN SEA...TO THE SOUTH OF 15N...ACROSS THE
EASTERN CARIBBEAN SEA ISLANDS...TOWARD 22N44W...AND THEN
EVENTUALLY EASTWARD TO AFRICA. BROAD MIDDLE LEVEL TO UPPER LEVEL
CYCLONIC WIND FLOW COVERS THE ATLANTIC OCEAN TO THE NORTH OF 22N
BETWEEN 32W AND 50W. THIS AREA HAS BEEN COVERED BY A TROUGH FOR
THE LAST SEVERAL DAYS. THIS CYCLONIC WIND FLOW SUPPORTS
A DISSIPATING STATIONARY FRONT THAT PASSES THROUGH 31N38W TO
26N40W TO 17N45W. A REMNANT 1016 MB LOW PRESSURE CENTER IS NEAR
27N43W. RAINSHOWERS ARE POSSIBLE TO THE NORTH OF 23N BETWEEN 35W
AND 43W. A SURFACE RIDGE IS ALONG 15N31W 24N30W BEYOND 32N28W.

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

$$
MT








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