000 AXNT20 KNHC 311751 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 205 PM EDT WED MAR 31 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... FROM LIBERIA NEAR 6N10W TO 3N20W TO 2N30W 2N40W AND INTO NORTHEASTERN BRAZIL NEAR 2N53W. ISOLATED MODERATE SHOWERS AND POSSIBLE THUNDERSTORMS ARE TO THE SOUTH OF 3N TO THE EAST OF 10W...FROM 1N TO 6N BETWEEN 10W AND 20W...FROM 1N TO 3N BETWEEN 20W AND 30W. ISOLATED MODERATE SHOWERS ARE TO THE SOUTH OF 6N BETWEEN 30W AND THE COAST OF NORTHEASTERN SOUTH AMERICA. ...DISCUSSION... THE GULF OF MEXICO... AN UPPER LEVEL TROUGH PASSES THROUGH THE ATLANTIC OCEAN NEAR 26N78W IN THE NORTHERN BAHAMAS TO 25N84W 24N90W 23N94W 21N97W. BROAD SURFACE HIGH PRESSURE COVERS THE AREA. ONE 1023 MB HIGH PRESSURE CENTER IS NEAR 26N82W ALONG THE SOUTHWESTERN FLORIDA COAST. A SECOND 1023 MB HIGH PRESSURE CENTER IS NEAR 27N89W. THE NEXT COLD FRONT TO REACH THE AREA IS FORECAST BY LATE FRIDAY INTO SATURDAY. THE CARIBBEAN SEA... BROAD SURFACE CYCLONIC FLOW IN THE LOW CLOUD FIELD IS EVIDENT IN VISIBLE SATELLITE IMAGERY TO THE SOUTH OF 19N TO THE EAST OF 82W. THE SOUTHERN END OF AN ATLANTIC OCEAN COLD FRONT PASSES THROUGH 22N70W INTO THE WINDWARD PASSAGE. MONTEGO BAY JAMAICA REPORTED 1.69 INCHES OF RAIN DURING THE 24-HOUR PERIOD THAT ENDED AT 31/1200 UTC. THE WESTERN END OF THE REMNANT CLOUD LINE THAT PASSES THROUGH THE ATLANTIC OCEAN NEAR 19N57W REACHES THE NORTHEASTERN CORNER OF THE AREA NEAR 18N63W. SHOWERS ARE POSSIBLE IN CLUSTERS OF CLOUDS FROM 16N TO 20N BETWEEN 60W AND 64W...FROM 15N TO 19N BETWEEN 64W AND 68W...FROM 20N TO 22N BETWEEN 70W AND 73W...AND ACROSS EASTERN JAMAICA. SHOWERS AND THUNDERSTORMS ARE IN THE SOUTHWESTERN CORNER OF THE AREA... FROM 8N TO 10N BETWEEN 77W AND 79W...INCLUDING PANAMA...POSSIBLY RELATED TO AFTERNOON HEATING UNDER UPPER LEVEL ANTICYCLONIC FLOW. THE ATLANTIC OCEAN... DEEP LAYER CYCLONIC FLOW COVERS THE AREA TO THE NORTH OF 24N TO THE WEST AND NORTHWEST OF THE LINE FROM 24N80W TO 28N70W BEYOND 32N63W...AND TO THE NORTHWEST OF THE 32N61W 22N70W COLD FRONT ON THE SURFACE MAP ANALYSIS. THIS IS THE COLD FRONT THAT FINISHED PASSING THROUGH THE GULF OF MEXICO 48 HOURS AGO. SHOWERS AND POSSIBLE THUNDERSTORMS ARE TO THE NORTH OF 25N BETWEEN 60W AND 68W. OVERCAST MULTILAYERED CLOUDS AND POSSIBLE PRECIPITATION ARE ELSEWHERE TO THE NORTH OF 27N BETWEEN 50W AND 60W. DEEP LAYER CYCLONIC FLOW COVERS THE ATLANTIC OCEAN TO THE NORTH OF 20N TO THE EAST OF 50W. ONE CYCLONIC CIRCULATION CENTER ON WATER VAPOR IMAGERY IS NEAR 29N42W. A SECOND CYCLONIC CENTER IS NEAR 30N37W. A 1010 MB LOW PRESSURE CENTER IS NEAR 30N43W. A DISSIPATING COLD FRONT CURVES FROM 32N39W TO 30N37W TO 23N40W TO 20N49W. A REMNANT CLOUD LINE CONTINUES FROM 20N49W TO 19N56W TO 18N63W IN THE NORTHEASTERN CORNER OF THE CARIBBEAN SEA. A SECONDARY SURFACE TROUGH GOES FROM THE 30N43W LOW CENTER TO 28N40W 24N44W 23N50W. BROKEN MULTILAYERED CLOUDS AND POSSIBLE PRECIPITATION ARE WITHIN 60 NM ON EITHER SIDE OF 21N44W 20N52W 19N56W 19N63W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT