000 AXNT20 KNHC 042332 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 PM EDT MON APR 04 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... THE ITCZ AXIS IS CENTERED ALONG 6N10W 2N30W 3S40W. WIDELY SCATTERED MODERATE CONVECTION IS S OF LIBERIA AND THE IVORY COAST FROM 1N-5N BETWEEN 2W-10W. ISOLATED MODERATE CONVECTION IS OFF THE COAST OF BRAZIL FROM 5S-1N BETWEEN 24W-42W. ...DISCUSSION... GULF OF MEXICO... AS OF 2100 UTC...A COLD FRONT IS ALONG THE COAST OF TEXAS FROM 30N93W TO 26N98W. RADAR IMAGERY SHOWS SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ALONG THE LOUISIANA COAST N OF 28N BETWEEN 92W-94W. 25 KT NORTHERLY WINDS ARE N OF THE FRONT WHILE 15-20 KT SE WINDS AND FAIR WEATHER ARE OVER THE REMAINDER OF THE GULF OF MEXICO. IN THE UPPER LEVELS...AN UPPER LEVEL TROUGH IS INLAND OVER TEXAS SUPPORTING THE FRONT WHILE ZONAL FLOW WITH STRONG SUBSIDENCE COVERS THE GULF. EXPECT IN 24 HOURS FOR THE COLD FRONT TO EXTEND FROM S FLORIDA TO THE YUCATAN PENINSULA WITH CONVECTION. CARIBBEAN SEA... SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS ARE OVER N COLOMBIA...PANAMA...COSTA RICA...AND THE SW CARIBBEAN S OF 12N. SCATTERED SHOWERS ARE OVER PUERTO RICO... HISPANIOLA...AND CUBA. 15-30 KT TRADEWINDS ARE OVER THE ENTIRE CARIBBEAN AND CENTRAL AMERICA WITH STRONGEST WINDS OVER THE CENTRAL CARIBBEAN BETWEEN 70W-78W. IN THE UPPER LEVELS...AN UPPER LEVEL HIGH IS CENTERED OVER N VENEZUELA NEAR 11N68W. UPPER LEVEL MOISTURE WITH SCATTERED HIGH CLOUDS ARE CUBA OVER THE NW AND NORTH CENTRAL CARIBBEAN. STRONG SUBSIDENCE IS OVER THE REMAINDER OF CARIBBEAN AND CENTRAL AMERICA N OF 12N. EXPECT THE POSSIBILITY OF MORE SHOWERS OVER THE W CARIBBEAN W OF 75W OVER THE NEXT 24 HOURS. ATLANTIC OCEAN... A 1026 MB HIGH IS CENTERED OVER THE W ATLANTIC NEAR 32N65W PRODUCING FAIR WEATHER. A COLD FRONT IS OVER THE CENTRAL ATLANTIC FROM 32N43W TO 26N50W TO 24N57W. SCATTERED SHOWERS ARE WITHIN 30 NM OF THE FRONT. A 1026 MB HIGH IS OVER THE E ATLANTIC NEAR 35N20W PRODUCING FAIR WEATHER. A SURFACE RIDGE AXIS EXTENDS SW FROM THE HIGH TO 25N37W. A 1002 MB LOW IS CENTERED INLAND OVER W ALGERIA NEAR 29N7W. A TIGHT SURFACE GRADIENT EXISTS BETWEEN THE E ATLANTIC HIGH AND THIS LOW RESULTING IN 20-25 KT NE WINDS OVER THE CANARY ISLANDS AND SURROUNDING WATERS. EXPECT IN 24 HOURS FOR...A COLD FRONT TO BE OVER THE W ATLANTIC FROM 32N77W TO S FLORIDA WITH CONVECTION. ALSO EXPECT THE CENTRAL ATLANTIC COLD FRONT TO MOVE E TO 32N30W WITH SHOWERS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA