000 AXNT20 KNHC 261737 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 205 PM EDT MON APR 26 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1715 UTC... ...THE ITCZ... THE ITCZ IS CENTERED ALONG 9N13W 1N28W 3N43W 1N50W. WIDELY SCATTERED MODERATE CONVECTION IS ALONG THE COAST OF WEST AFRICA FROM 2N-5N BETWEEN 7W-12W. ISOLATED MODERATE CONVECTION IS FROM 2N-4N BETWEEN 20W-22W. SCATTERED MODERATE CONVECTION IS FROM 3N-5N BETWEEN 26W-31W. ISOLATED MODERATE CONVECTION IS FROM 1S-4N BETWEEN 33W-41W. ...DISCUSSION... THE GULF OF MEXICO... AS OF 1500 UTC...A COLD FRONT EXTENDS FROM N FLORIDA TO THE SE GULF OF MEXICO TO JUST N OF THE YUCATAN PENINSULA ALONG 30N82W 25N84W TO 21N92W. A SQUALL LINE IS OVER SOUTH FLORIDA AND THE SE GULF ALONG 26N80W 23N84W. SCATTERED MODERATE TO STRONG CONVECTION WITH FREQUENT LIGHTNING ARE WITHIN 30 NM OF THE SQUALL LINE. WIND GUSTS OF 42 KT HAVE BEEN REPORTED ALONG THE SQUALL LINE AT HOMESTEAD FLORIDA. FURTHER W...A 1014 MB HIGH IS CENTERED OVER THE W CARIBBEAN NEAR 24N97W PRODUCING FAIR WEATHER. 15-20 KT NW SURFACE WINDS ARE N OF THE COLD FRONT WHILE 20-25 KT SW WINDS ARE S OF THE FRONT. IN THE UPPER LEVELS...AN UPPER LEVEL TROUGH IS OVER THE GULF WITH AXIS ALONG 90W PRODUCING MOSTLY WESTERLY FLOW. CONSIDERABLE UPPER LEVEL HIGH CLOUDS AND UPPER LEVEL MOISTURE ARE OVER S FLORIDA AND THE SE GULF. STRONG SUBSIDENCE IS OVER THE REMAINDER OF THE GULF. EXPECT IN 12 HOURS...FOR THE COLD FRONT TO BE OUT OF THE GULF. ALSO EXPECT IN 24 HOURS FOR A SURFACE HIGH TO BE CENTERED OVER CENTRAL TEXAS. THE CARIBBEAN SEA... FRESH TO STRONG TRADEWINDS ARE OVER THE CARIBBEAN SEA WITH STRONGEST WINDS ALONG THE COASTS OF N COLOMBIA AND VENEZUELA. A 1008 MB LOW IS CENTERED OVER N COLOMBIA NEAR 6N74W. SCATTERED MODERATE TO STRONG CONVECTION IS NOTED OVER THE SW CARIBBEAN FROM 10N-13N BETWEEN 75W-82W. ISOLATED SHOWERS ARE OVER THE LEEWARD ISLANDS N OF 17N E OF 68W. MOSTLY FAIR WEATHER IS OVER THE WINDWARD ISLANDS. IN THE UPPER LEVELS...MOSTLY ZONAL FLOW COVERS THE AREA. SIGNIFICANT UPPER LEVEL MOISTURE AND BROKEN HIGH CLOUDS ARE OVER THE CARIBBEAN W OF 67W. STRONG SUBSIDENCE IS OVER THE WINDWARD ISLANDS. EXPECT IN 24 HOURS FOR THE COLD FRONT TO EXTEND FROM CENTRAL CUBA TO CANCUN MEXICO WITH CONVECTION. ALSO EXPECT MORE CONVECTION OVER THE SW CARIBBEAN AND CENTRAL AMERICA S OF HONDURAS. THE ATLANTIC OCEAN... SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS OVER THE W ATLANTIC N OF THE NORTHERN BAHAMAS AND W OF 73W DUE TO PREFRONTAL CONVECTION AND A SQUALL LINE REACHING THE NORTHERN BAHAMAS. A 10120 MB HIGH IS CENTERED OVER THE CENTRAL ATLANTIC NEAR 27N653W PRODUCING FAIR WEATHER AND MOVING E. A COLD FRONT IS OVER THE E ATLANTIC FROM 32N29W TO 23N37W 18N47W. ISOLATED MODERATE CONVECTION IS FROM 25N-28N BETWEEN 31W-34W. IN THE UPPER LEVELS...AN UPPER LEVEL RIDGE IS OVER THE W ATLANTIC N OF 20N W OF 55W. AN UPPER LEVEL TROUGH IS OVER THE CENTRAL ATLANTIC N OF 10N BETWEEN 35W-55W. AN UPPER LEVEL RIDGE IS OVER THE E ATLANTIC E OF 35W. AN UPPER LEVEL HIGH IS CENTERED OVER THE TROPICAL ATLANTIC NEAR 5N30W. EXPECT IN 24 HOURS FOR THE W ATLANTIC FRONT TO EXTEND FROM 32N68W TO CENTRAL CUBA WITH SHOWERS. ALSO EXPECT THE E ATLANTIC FRONT TO MOVE E TO 32N22W WITH SHOWERS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA