000 AXNT20 KNHC 090544 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 205 AM EDT SUN MAY 09 2010 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...METEOROLOGICAL ANALYSIS...WEATHER OBSERVATIONS...AND RADAR. BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0515 UTC... ...TROPICAL WAVES... TROPICAL WAVE IS ALONG 24W S OF 7N MOVING W AT 15 KT. SATELLITE DERIVED WINDS INDICATE SOME LOW TO MID-LEVEL CYCLONIC FLOW AROUND THE WAVE AXIS. THE WAVE ALSO LIES IN AN AREA OF ENHANCED MOISTURE EVIDENT IN TOTAL PRECIPITABLE WATER IMAGERY. ISOLATED MODERATE CONVECTION IS FROM 5N-8N BETWEEN 20W-25W. TROPICAL WAVE IS ALONG 39W S OF 8N MOVING W 10 KT. THE WAVE REMAINS ILL-DEFINED WITH CONVECTION CONFINED TO THE ITCZ FROM 5N-7N BETWEEN 39W-41W. TROPICAL WAVE IS ALONG 52W S OF 9N MOVING W 10 KT. SCATTEROMETER DATA FROM EARLIER TODAY INDICATED BROAD CYCLONIC FLOW ABOUT THE WAVE AXIS. WAVE LIES EMBEDDED IN A LARGE AREA OF DEEP MOISTURE EVIDENT IN TOTAL PRECIPITABLE WATER IMAGERY. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM 4N-7N BETWEEN 50W-56W. ...THE ITCZ... ITCZ AXIS IS CENTERED FROM LIBERIA NEAR 6N10W TO 3N17W 5N23W 2N30W 5N45W TO N BRAZIL AT 4N51W. BESIDES AREAS ASSOCIATED WITH TROPICAL WAVES...WIDELY SCATTERED MODERATE CONVECTION IS FROM EQ-4N BETWEEN 27W-35W. ISOLATED MODERATE CONVECTION IS FROM 5N-7N BETWEEN 43W-45W. ...DISCUSSION... GULF OF MEXICO... AS OF 0300 UTC...A COLD FRONT EXTENDS FROM THE FLORIDA PANHANDLE NEAR JACKSONVILLE TO THE TEXAS COAST NEAR CORPUS CHRISTIE ALONG 31N81W 28N87W 28N96W. RADAR IMAGERY INDICATES MOST SHOWERS AND THUNDERSTORMS HAVE DISSIPATED ALONG THE FRONT. 15-20 KT NORTHERLY WINDS ARE N OF THE FRONT. MOSTLY FAIR WEATHER IS S OF THE FRONT. FURTHER W...AN IMPRESSIVE AREA OF NUMEROUS STRONG CONVECTION IS NOTED INLAND OVER N MEXICO FROM 25N-29N BETWEEN 101W-105W. IN THE UPPER LEVELS...NW UPPER LEVEL WINDS DOMINATES THE ENTIRE GULF OF MEXICO. CONSIDERABLE UPPER LEVEL MOISTURE IS OVER N MEXICO...TEXAS...AND NE FLORIDA. STRONG SUBSIDENCE IS OVER MOST OF THE GULF. EXPECT THE COLD FRONT TO PUSH S TO THE SE GULF AND S FLORIDA OVER THE NEXT 24 HOURS WITH SHOWERS. CARIBBEAN SEA... 10-20 KT TRADEWINDS ARE NOTED THROUGHOUT THE CARIBBEAN SEA WITH STRONGEST WINDS OVER THE N COAST OF COLOMBIA. SCATTERED MODERATE TO STRONG CONVECTION IS INLAND OVER N COLOMBIA FROM 6N-11N BETWEEN 71W-77W. ELSEWHERE...SCATTERED SHOWERS ARE OVER PUERTO RICO...HISPANIOLA...AND THE CENTRAL CARIBBEAN FROM 15N-20N BETWEEN 65W-75W. IN THE UPPER LEVELS...AN UPPER LEVEL RIDGE IS OVER THE CARIBBEAN WITH AXIS ALONG 65W PRODUCING UPPER LEVEL WESTERLY WINDS. EXPECT...LITTLE CHANGE OVER THE NEXT 24 HOURS. ATLANTIC OCEAN... A COLD FRONT IS OVER THE W ATLANTIC FROM OFF THE COAST OF SOUTH CAROLINA NEAR 32N79W TO N FLORIDA NEAR JACKSONVILLE. SCATTERED SHOWERS ARE ALONG THE COAST OF NE FLORIDA. A 1022 MB HIGH IS CENTERED OVER THE CENTRAL ATLANTIC NEAR 30N50W PRODUCING FAIR WEATHER. A DISSIPATING COLD FRONT IS OVER THE E ATLANTIC FROM NE OF THE CANARY ISLANDS AT 32N10W TO 25N20W 24N30W. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE FRONT. FURTHER W...AN AREA OF SCATTERED SHOWERS ARE NE OF THE LEEWARD ISLANDS FROM 20N-25N BETWEEN 51W-62W MOVING W. IN THE UPPER LEVELS...AN UPPER LEVEL TROUGH IS OVER THE W ATLANTIC N OF 20N BETWEEN 60W-80W. AN UPPER LEVEL RIDGE IS OVER CENTRAL ATLANTIC N OF 20N BETWEEN 40W-60W. AN UPPER LEVEL TROUGH IS N OF 10N E OF 40W. AN UPPER LEVEL HIGH IS OVER THE TROPICAL E ATLANTIC NEAR 10N40W. EXPECT...THE COLD FRONT TO MOVE E AND REACH 32N65W IN 24 HOURS WITH SHOWERS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA