[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 141656
TWDAT

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
205 PM EDT MON MAR 14 2011

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTION 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.

...ITCZ...

ITCZ AXIS IS ANALYZED ALONG FROM LIBERIA AT 7N10W TO 1N20W 1S30W
TO BRAZIL NEAR 1S45W. SCATTERED MODERATE TO ISOLATED STRONG
CONVECTION IS FROM 1N-6N BETWEEN 16W-20W...FROM 1S-3N BETWEEN
21W-24W...AND FROM EQ-4N BETWEEN 34W-41W. SCATTERED MODERATE
CONVECTION IS FROM 3N-6N BETWEEN 41W-46W.

...DISCUSSION...

GULF OF MEXICO...
AS OF 1500 UTC...A 1026 MB HIGH IS CENTERED OFF THE E COAST OF
FLORIDA NEAR 29N72W PRODUCING 10-15 KT SE RETURN FLOW OVER THE
ENTIRE GULF OF MEXICO. BROKEN LOW CLOUDS ARE NOTED ALONG THE
COASTS OF NORTHERN MEXICO...TEXAS...AND LOUISIANA...EXTENDING 90
NM TO SEA. MORE BROKEN LOW CLOUDS ARE OVER THE STRAITS OF
FLORIDA. IN THE UPPER LEVELS ZONAL FLOW COVERS THE GULF.
SIGNIFICANT UPPER LEVEL MOISTURE IS OVER THE N GULF FROM TAMPICO
MEXICO TO N FLORIDA. STRONG SUBSIDENCE COVERS THE REMAINDER OF
THE GULF. EXPECT...A COLD FRONT TO EXIT THE TEXAS COAST AND
EXTEND FROM THE FLORIDA PANHANDLE TO S TEXAS IN 24 HOURS.

CARIBBEAN SEA...
15-20 KT TRADEWINDS ARE OVER THE CARIBBEAN SEA AND CENTRAL
AMERICA WITH HIGHEST WINDS OVER THE WINDWARD PASSAGE AND ALONG
THE COAST ON N COLOMBIA. PATCHES OF BROKEN LOW CLOUDS WITH
ISOLATED SHOWERS DOTS THE CARIBBEAN MOSTLY ALONG THE COAST OF
VENEZUELA...OVER THE LEEWARD ISLANDS AND PUERTO RICO...S OF
HAITI AND JAMAICA...AND OVER CENTRAL AMERICA FROM PANAMA TO THE
GULF OF HONDURAS. IN THE UPPER LEVELS...AN UPPER LEVEL RIDGE IS
OVER THE CARIBBEAN PRODUCING SOUTHERLY FLOW AND STRONG
SUBSIDENCE. EXPECT...ADDITIONAL SHOWERS OVER THE W CARIBBEAN AND
CENTRAL AMERICA OVER THE NEXT 24 HOURS.

ATLANTIC OCEAN...
A 1026 MB HIGH IS CENTERED OFF THE E COAST OF FLORIDA NEAR
29N72W PRODUCING FAIR WEATHER. A QUASI-STATIONARY FRONT IS
FURTHER E ALONG 32N56W 26N58W. SCATTERED SHOWERS ARE WITHIN 30
NM OF THE FRONT. A 1030 MB HIGH IS WELL N OF THE AREA NEAR
36N38W. THE TAIL END OF A SURFACE TROUGH IS E OF THE CANARY
ISLANDS FROM 32N8W TO 26N16W. SCATTERED SHOWERS ARE WITHIN 60
NM OF THE TROUGH. IN THE UPPER LEVELS...AN UPPER LEVEL TROUGH IS
N OF 20N E OF 30W SUPPORTING THE E ATLANTIC TROUGH. EXPECT...THE
FRONT TO DRIFT E OVER THE NEXT 24 HOURS WITH SHOWERS.

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

$$
FORMOSA







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