000 AXNT20 KNHC 301144 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 705 AM EST TUE NOV 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1115 UTC. ...THE ITCZ... FROM THE COASTAL WATERS OF GUINEA NEAR 10N14W TO 8N20W 7N40W 8N50W TO 7N55W. WIDELY SCATTERED MODERATE RAINSHOWERS TO STRONG THUNDERSTORMS ARE FROM 3N TO 10N BETWEEN 12W AND 37W...AND WITHIN 60 NM TO 120 NM ON EITHER SIDE OF 15N26W 11N41W 8N60W NEAR THE BORDER OF GUYANA AND VENEZUELA. ...DISCUSSION... THE GULF OF MEXICO... UPPER LEVEL SOUTHWESTERLY WIND FLOW COVERS THE AREA THAT IS TO THE NORTHWEST OF THE LINE THAT GOES FROM 21N110W...ACROSS MEXICO TO THE NORTH OF 23N96W...BEYOND SOUTHERN ALABAMA. THE SOUTHWESTERLY FLOW IS ON THE EASTERN SIDE OF THE NEXT DEEP LAYER TROUGH THAT IS MOVING THROUGH THE U.S.A. MIDWEST. THE TROUGH SUPPORTS THE CURRENT COLD FRONT THAT IS ALONG THE TEXAS GULF COAST FROM EAST TEXAS TO THE DEEP SOUTH OF TEXAS. BROAD UPPER LEVEL ANTICYCLONIC FLOW COVERS THE REST OF THE AREA. A REMNANT CLOUD LINE PASSES OVER THE BAHAMAS TO THE NORTH OF 23N AND IT REACHES FLORIDA ALONG 82W FROM 28N TO 29N. BROKEN TO OVERCAST LOW TO MIDDLE LEVEL CLOUDS WITH POSSIBLE RAINSHOWERS ARE TO THE WEST OF THE LINE THAT GOES FROM SOUTHEASTERN LOUISIANA TO THE MEXICO GULF COAST NEAR 22N98W. RAINSHOWERS ARE POSSIBLE IN THE CLUSTERS OF CLOUDS THAT HAVE DEVELOPED IN THE RETURN SOUTHERLY FLOW TO THE EAST OF 90W. THE CARIBBEAN SEA... A 1008 MB LOW PRESSURE CENTER IS NEAR 10N80W IN THE SOUTHWESTERN CORNER OF THE AREA. STRONG RAINSHOWERS AND THUNDERSTORMS ARE TO THE SOUTH OF 12N83W 10N76W IN THE SOUTHWESTERN CORNER OF THE AREA...FROM THE COASTAL WATERS OF COLOMBIA TO SOUTHEASTERN NICARAGUA. ISOLATED MODERATE RAINSHOWERS ARE FROM 10N TO 12N BETWEEN 64W AND 68W...ENCOMPASSING COASTAL VENEZUELA TO BONAIRE IN THE NETHERLANDS ANTILLES. THE ITCZ HAS BEEN ALONG THE VENEZUELA COAST. LOW CLOUDS AND POSSIBLE RAINSHOWERS ARE FROM 10N TO 20N BETWEEN 82W AND 87W...ENCOMPASSING THE NORTHWESTERN CARIBBEAN SEA WATERS...HONDURAS...NICARAGUA...AND NORTHERN COSTA RICA. BROKEN TO OVERCAST LOW CLOUDS WITH POSSIBLE RAINSHOWERS ARE IN CLUSTERS...MOVING ACROSS THE AREA FROM EAST TO WEST. THE ATLANTIC OCEAN... AN ATLANTIC OCEAN UPPER LEVEL TROUGH PASSES THROUGH 32N48W TO 28N55W AND 21N64W. THIS TROUGH SUPPORTS THE COLD FRONT THAT PASSES THROUGH 32N43W TO 27N50W 23N60W 24N72W. A REMNANT CLOUD LINE CONTINUES FROM 24N72W...TO FLORIDA ALONG 82W FROM 28N TO 29N. RAINSHOWERS ARE POSSIBLE WITHIN 30 NM TO 60 NM ON EITHER SIDE OF THE CLOUD LINE THAT PASSES THROUGH 32N42W 26N50W 22N60W 22N70W...ACROSS THE BAHAMAS TO THE NORTH OF 23N...TO 31N81W. SURFACE HIGH PRESSURE HAS DEVELOPED IN THE ATLANTIC OCEAN TO THE NORTH OF THE FRONTAL BOUNDARY. A 1008 MB LOW PRESSURE CENTER IS NEAR 23N38W. A TROUGH CURVES AWAY FROM THE LOW CENTER TO 23N36W 21N40W AND 24N44W. THE DEEP LAYER CYCLONIC FLOW THAT HAS BEEN IN THE EASTERN ATLANTIC OCEAN TO THE NORTH OF 17N TO THE EAST OF 40W DURING THE LAST FEW DAYS REMAINS...BUT IN A COMPARATIVELY WEAKER FORM AND WEAKENING WITH TIME. CYCLONIC FLOW NOW IS TO THE NORTH OF 20N TO THE EAST OF 30W. A COLD FRONT GOES FROM 31N14W TO 26N18W. A REMNANT CLOUD LINE CONTINUES FROM 26N18W TO 23N23W AND 21N30W. RAINSHOWERS AND THUNDERSTORMS ARE OVER THE WATERS TO THE NORTH OF 26N TO THE EAST OF THE CANARY ISLANDS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT