000 AXNT20 KNHC 250013 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 PM EDT SUN APR 24 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. ...ITCZ... ITCZ AXIS IS CENTERED ALONG 7N11W 3N20W EQ35W 3N51W. CLUSTERS OF SCATTERED MODERATE TO ISOLATED STRONG CONVECTION ARE FROM EQ-7N BETWEEN 6W-20W...FROM 1N-4N BETWEEN 20W-25W...AND FROM EQ-3N BETWEEN 31W-36W. A 1009 MB LOW IS CENTERED OFF THE COAST OF BRAZIL NEAR 5S32W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM 3S-7S BETWEEN 29W-34W. ...DISCUSSION... GULF OF MEXICO... 10-20 KT SE RETURN FLOW DOMINATES FLORIDA AND THE GULF OF MEXICO WITH STRONGEST WINDS OVER THE W GULF W OF 90W. SCATTERED MODERATE CONVECTION IS OVER TAMPA FLORIDA FROM 27N-28N BETWEEN 82W-83W. WIDELY SCATTERED MODERATE CONVECTION IS INLAND OVER VERACRUZ MEXICO FROM 18N-20N BETWEEN 96W-99W. SIMILAR CONVECTION IS INLAND S OF CORPUS CHRISTI TEXAS FROM 28N-29N BETWEEN 97W-99W. FAIR WEATHER IS NOTED OVER THE MAJORITY OF THE GULF OF MEXICO. IN THE UPPER LEVELS...A SHORT WAVE TROUGH IS OVER THE E GULF E OF 90W WITH AXIS ALONG 84W. AN AREA OF UPPER LEVEL MOISTURE AND SCATTERED HIGH CLOUD ARE OVER S TEXAS. STRONG SUBSIDENCE IS OVER THE REMAINDER OF GULF. EXPECT OVER THE NEXT 24 HOURS FOR...CONTINUED SE SURFACE FLOW WITH MOSTLY FAIR WEATHER. ALSO EXPECT THE UPPER LEVEL WIND FLOW TO BECOME ZONAL. CARIBBEAN SEA... 10-20 KT TRADEWINDS ARE OVER THE CARIBBEAN SEA AND CENTRAL AMERICA WITH HIGHEST WINDS ALONG THE COAST OF N COLOMBIA. CLUSTERS OF SCATTERED MODERATE TO ISOLATED STRONG CONVECTION ARE OVER N COLOMBIA AND NW VENEZUELA FROM 7N-12N BETWEEN 67W-76W. ISOLATED MODERATE CONVECTION IS OVER W HONDURAS...GUATEMALA... BELIZE...AND THE GULF OF HONDURAS FROM 14N-17N BETWEEN 87W-92W. SCATTERED SHOWERS ARE OVER INLAND CUBA...HISPANIOLA...PUERTO RICO...TRINIDAD...AND THE NETHERLANDS ANTILLES. MOSTLY FAIR WEATHER IS OVER THE REMAINDER OF THE AREA. IN THE UPPER LEVELS...ZONAL FLOW DOMINATES THE AREA. UPPER LEVEL MOISTURE WITH BANDS OF SCATTERED HIGH CLOUDS ARE OVER THE SE CARIBBEAN S OF 14N E OF 75W. STRONG SUBSIDENCE IS OVER THE W CARIBBEAN. EXPECT MORE SHOWERS AND CONVECTION OVER THE S CARIBBEAN AND CENTRAL AMERICA S OF 15N OVER THE NEXT 24 HOURS. ATLANTIC OCEAN... A 1027 MB HIGH IS CENTERED OVER THE W ATLANTIC NEAR 33N70W. A SURFACE RIDGE AXIS EXTEND W TO E TEXAS. A WEAK 1014 MB LOW IS CENTERED OVER THE S BAHAMAS NEAR 23N72W. A TIGHT SURFACE GRADIENT N OF THE CENTER IS PRODUCING 25 KT WINDS. SCATTERED SHOWERS ARE ALSO N OF THE CENTER. A SURFACE TROUGH IS OVER THE E ATLANTIC FROM 30N30W TO 22N33W. SCATTERED SHOWERS ARE WITHIN 90 NM OF THE TROUGH. IN THE UPPER LEVELS...AN UPPER LEVEL LOW IS OVER THE E ATLANTIC NEAR 35N34W SUPPORTING THE E ATLANTIC SURFACE TROUGH. A 70 KT SUBTROPICAL JETSTREAM EXTENDS FROM THE LEEWARD ISLANDS AT 20N60W TO W AFRICA AT 21N17W. EXPECT OVER THE NEXT 24 HOURS FOR...THE SURFACE LOW CENTER TO TRACK W AND DISSIPATE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA