000 AXNT20 KNHC 300528 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 205 AM EDT TUE MAR 30 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 0345 UTC... ...ITCZ... ITCZ AXIS IS CENTERED ALONG 6N9W 2N29W 3N41W TO INLAND OVER NE BRAZIL NEAR 1N50W. CLUSTERS OF SCATTERED MODERATE/ISOLATED STRONG CONVECTION ARE WITHIN 45/60 NM ON EITHER SIDE OF THE ITCZ E OF 25W TO THE COAST OF SW AFRICA AND W OF 30W TO INLAND OVER SOUTH AMERICA. SCATTERED CLUSTERS OF SCATTERED MODERATE/STRONG CONVECTION ARE FROM THE EQUATOR 4N E OF 5W TO ACROSS THE PRIME MERIDIAN. ...DISCUSSION... GULF OF MEXICO... A SURFACE RIDGE DOMINATES THE GULF IN THE WAKE OF THE RECENT FRONTAL BOUNDARY ANCHORED BY A 1019 MB HIGH NEAR 24N94W. ZONAL UPPER WESTERLY FLOW DOMINATES THE ENTIRE GULF WITH STRONG SUBSIDENCE AND DRY STABLE AIR COVERING THE GULF N OF 25N. THIS SCENARIO IS GIVING THE GULF CLEAR SKIES TONIGHT WITH COOLER TEMPERATURES AND DRIER AIR. THE NEXT FRONT IS EXPECTED TO ENTER THE GULF LATE FRI. CARIBBEAN SEA... AS OF 30/0300 UTC...COLD FRONT EXTENDS INTO THE CARIBBEAN ACROSS CENTRAL CUBA NEAR 22N79W JUST W OF THE CAYMAN ISLANDS TO HONDURAS NEAR 16N84W. SCATTERED SHOWERS AND POSSIBLE ISOLATED THUNDERSTORMS ARE WITHIN 90/120 NM W OF THE FRONT. MODERATE TO FRESH TRADE WINDS CONTINUE ACROSS THE CARIBBEAN E OF THE FRONT WITH STRONGEST WINDS ALONG THE N COAST OF COLOMBIA. ZONAL UPPER WEST TO NORTHWESTERLY FLOW WITH STRONG SUBSIDENCE AND DRY STABLE AIR ALOFT CONTINUING TO DOMINATE THE ENTIRE BASIN. THESE TRADE WINDS ARE BANKING LOW/MID CLOUDS WITH SCATTERED SHOWERS OVER THE SW CARIBBEAN S OF 12N E OF 79W TO THE COAST OF COLOMBIA. THUS..FAIR WEATHER AND CLEAR SKIES DOMINATE THE REMAINDER OF THE CARIBBEAN. ATLANTIC OCEAN... AS OF 30/0300 UTC...COLD FRONT ENTERS THE W ATLC NEAR 32N74W EXTENDING ALONG 27N76W ACROSS THE BAHAMAS AND INTO THE CARIBBEAN OVER CENTRAL CUBA NEAR 22N79W. SCATTERED/NUMEROUS SHOWERS WITH EMBEDDED THUNDERSTORMS ARE WITHIN 90 NM E OF THE FRONT N OF 25N WITH SCATTERED SHOWERS AND POSSIBLE ISOLATED THUNDERSTORMS WITHIN 90/120 NM EITHER SIDE OF THE REMAINDER OF THE FRONT. THE UPPER SUPPORT IS OVER THE W ATLC N OF 26N FROM 72W TO THE FLORIDA PENINSULA AND THE UPPER LOW ALONG THE SOUTH CAROLINA COAST. A SURFACE RIDGE COVERS THE REMAINDER OF THE W ATLC INTO THE CENTRAL ATLC N OF 22N BETWEEN 50W-65W ANCHORED WELL N OF THE REGION. A COLD FRONT ENTERS THE E/CENTRAL ATLC NEAR 32N41W EXTENDING ALONG 26N44W TO 22N49W WHERE IT DISSIPATES AS A STATIONARY FRONT ALONG 21N58W TO 22N65W. SCATTERED SHOWERS/ ISOLATED THUNDERSTORMS ARE WITHIN 90/120 NM E OF THE COLD FRONT. THE UPPER SUPPORT FOR THIS FRONT IS N OF 17N FROM 38W-54W. A SURFACE RIDGE COVERS THE E ATLC N OF 22N W OF 38W WITH A 1028 MB HIGH N OF THE AZORES. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ WALLACE