[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 032324
TWDAT

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
805 PM EDT SUN APR 03 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 2315 UTC.

...THE ITCZ...

THE ITCZ AXIS IS CENTERED ALONG 5N9W 1N20W EQ35W 2S45W. WIDELY
SCATTERED MODERATE CONVECTION IS S OF LIBERIA FROM 1N-5N BETWEEN
7W-13W. ISOLATED MODERATE CONVECTION IS OFF THE COAST OF BRAZIL
FROM 1N-4N BETWEEN 36W-52W.

...DISCUSSION...

GULF OF MEXICO...
A 1022 MB HIGH IS CENTERED OVER THE W ATLANTIC NEAR 31N75W
PRODUCING 10-15 KT SE RETURN FLOW AND FAIR WEATHER OVER THE GULF
OF MEXICO. ISOLATED MODERATE CONVECTION IS INLAND OVER MEXICO
NEAR VERACRUZ FROM 17N-21N BETWEEN 96W-98W. IN THE UPPER
LEVELS...ZONAL FLOW WITH STRONG SUBSIDENCE COVERS THE GULF.
EXPECT IN 24 HOURS FOR A COLD FRONT TO BE JUST INLAND OVER TEXAS
WITH CONVECTION...MOVING SE INTO THE GULF. ALSO EXPECT CONTINUED
SE RETURN FLOW AND FAIR WEATHER OVER THE GULF UNTIL THE FRONT
ENTERS THE GULF.

CARIBBEAN SEA...
SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS IS OVER N COLOMBIA
...PANAMA...AND COSTA RICA. SIMILAR SHOWERS AND THUNDERSTORMS
ARE INLAND OVER THE HIGHER ELEVATIONS OF PUERTO RICO...
HISPANIOLA...AND CUBA. 15-25 KT TRADEWINDS ARE OVER THE ENTIRE
CARIBBEAN AND CENTRAL AMERICA WITH STRONGEST WINDS ALONG THE
COAST OF N COLOMBIA. IN THE UPPER LEVELS...AN UPPER LEVEL HIGH
IS CENTERED OVER N VENEZUELA NEAR 12N65W. UPPER LEVEL MOISTURE
WITH SCATTERED HIGH CLOUDS ARE OVER THE NW AND CENTRAL
CARIBBEAN. STRONG SUBSIDENCE IS OVER THE REMAINDER OF CARIBBEAN
AND CENTRAL AMERICA. EXPECT THE POSSIBILITY OF SHOWERS OVER THE
W CARIBBEAN W OF 75W OVER THE NEXT 24 HOURS.

ATLANTIC OCEAN...
A 1022 MB HIGH IS CENTERED OVER THE W ATLANTIC NEAR 31N75W
PRODUCING FAIR WEATHER. A COLD FRONT IS OVER THE CENTRAL
ATLANTIC FROM 32N50W TO 27N60W TO THE S BAHAMAS NEAR 23N70W.
SCATTERED SHOWERS ARE WITHIN 30 NM OF THE FRONT. A REINFORCING
COLD FRONT IS JUST W ALONG 32N55W 27N68W MOVING SE. A 1025 MB
HIGH IS OVER THE E ATLANTIC NEAR 31N25W PRODUCING FAIR WEATHER.
A SURFACE RIDGE AXIS EXTENDS SW FROM THE HIGH TO 25N54W. A 1004
MB LOW IS CENTERED INLAND OVER W ALGERIA NEAR 27N7W. A TIGHT
SURFACE GRADIENT EXISTS BETWEEN THE E ATLANTIC HIGH AND THIS LOW
RESULTING IN 25-30 KT NE WINDS OVER THE CANARY ISLANDS AND
SURROUNDING WATERS. EXPECT OVER THE NEXT 24 HOURS FOR...THE TWO
ATLANTIC FRONTS TO MERGE AND MOVE E WITH SHOWERS.

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

$$
FORMOSA





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