000 AXNT20 KNHC 031126 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 705 AM EST WED MAR 03 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1045 UTC... ...THE ITCZ... FROM NORTHERN LIBERIA NEAR 8N10W TO 4N20W 2N30W 1N40W...CROSSING THE EQUATOR ALONG 44W...INTO NORTHEASTERN BRAZIL NEAR 2S48W. STRONG SHOWERS AND THUNDERSTORMS FROM 0.5N TO 1.5N BETWEEN 32W AND 34W. ISOLATED MODERATE SHOWERS ARE WITHIN 30 NM TO 60 NM ON EITHER SIDE OF 4N8W 5N12W 6N16W 4N23W 3N27W 1N33W TO THE EQUATOR ALONG 41W...2N45W 4N50W. ...DISCUSSION... THE GULF OF MEXICO...THE ATLANTIC OCEAN TO THE WEST OF 65W... THE CARIBBEAN SEA TO THE NORTHWEST OF THE LINE FROM HISPANIOLA TO NICARAGUA... MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW COVERS THE ENTIRE AREA...THANKS TO A TROUGH THAT PASSES THROUGH THE ATLANTIC OCEAN JUST OFF THE COAST OF MARYLAND TO FLORIDA NEAR LAKE OKEECHOBEE TO THE YUCATAN CHANNEL. UPPER LEVEL SOUTHWESTERLY WIND FLOW IS PUSHING CLOUDS/MOISTURE FROM THE EASTERN PACIFIC OCEAN THAT IS FROM 10N TO 18N BETWEEN 90W AND 110W ACROSS THE ISTHMUS OF TEHUANTEPEC TOWARD THE YUCATAN PENINSULA. THE TROUGH IS STEERING A FIRST COLD FRONT THAT PASSES THROUGH 32N72W TO 26N74W...ACROSS THE BAHAMAS TO CUBA NEAR 21N78W...INTO THE CARIBBEAN SEA NEAR 18N80W...TO NORTHEASTERN NICARAGUA...TO WESTERN NICARAGUA. A SECONDARY COLD FRONT PASSES THROUGH 32N76W TO LAKE OKEECHOBEE IN FLORIDA TO 24N86W IN THE GULF OF MEXICO. A SURFACE RIDGE GOES FROM A 1021 MB EAST CENTRAL TEXAS HIGH PRESSURE CENTER TO THE WEST CENTRAL GULF OF MEXICO...TO SOUTHEASTERN MEXICO BETWEEN THE ISTHMUS OF TEHUANTEPEC AND NORTHERN GUATEMALA. STRONG SHOWERS AND THUNDERSTORMS FROM 27N TO 30N BETWEEN 64W AND 68W. ISOLATED MODERATE SHOWERS ARE ELSEWHERE FROM SOUTHEASTERN CUBA AT 20N BEYOND 32N BETWEEN 60W AND 76W. SHOWERS ARE POSSIBLE TO THE NORTHWEST OF THE LINE FROM THE WINDWARD PASSAGE TO NICARAGUA. THE REST OF THE CARIBBEAN SEA... BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE REST OF THE AREA. A WEAK SURFACE PRESSURE GRADIENT EXISTS ACROSS THE CARIBBEAN SEA. THE REST OF THE ATLANTIC OCEAN... DEEP LAYER CYCLONIC FLOW AND LOW PRESSURE COVER THE ATLANTIC OCEAN TO THE NORTH OF 28N BETWEEN 30W AND 60W...ASSOCIATED WITH A CENTRAL ATLANTIC OCEAN TROUGH. A CYCLONIC CIRCULATION CENTER ON WATER VAPOR IMAGERY IS NEAR 39N43W. A 986 MB GALE CENTER IS NEAR 40N45W. THE COLD FRONT THAT EMANATES FROM THE 986 MB GALE CENTER EVENTUALLY PASSES THROUGH 32N32W TO 25N40W. A SHEAR AXIS/ REMNANT CLOUD LINE CONTINUES FROM 21N48W TO 17N58W. SHOWERS ARE POSSIBLE WITHIN 90 NM ON EITHER SIDE OF 30N30W 23N40W 20N50W 19N59W. STRONG SHOWERS AND THUNDERSTORMS FROM 30N TO 32N BETWEEN 28W AND 30W. DEEP LAYER CYCLONIC FLOW COVERS THE EASTERN ATLANTIC OCEAN TO THE NORTH OF 29N TO THE EAST OF THE AZORES. A CYCLONIC CIRCULATION CENTER ON WATER VAPOR IMAGERY IS NEAR 39N11W. A 994 MB GALE CENTER IS NEAR 39N13W...ABOUT 200 NM TO THE WEST OF THE COAST OF PORTUGAL. THE COLD FRONT THAT EMANATES FROM THE 994 MB GALE CENTER PASSES THROUGH SOUTHERN SPAIN TO 36N5W IN THE WESTERN MEDITERRANEAN SEA. SURFACE ANTICYCLONIC FLOW MOVES AROUND A 1019 MB HIGH PRESSURE CENTER THAT IS NEAR 23N21W...FROM 10N TO 30N TO THE EAST OF THE 32N32W 25N40W COLD FRONT. SURFACE ANTICYCLONIC FLOW MOVES AROUND A 1017 MB HIGH PRESSURE CENTER THAT IS NEAR 25N55W...FROM 15N TO 30N BETWEEN THE 32N32W 25N40W COLD FRONT AND 70W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT