000 AXNT20 KNHC 272351 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 705 PM EST WED JAN 27 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2315 UTC. ...THE ITCZ... FROM COASTAL LIBERIA NEAR 5N9W TO 4N20W 4N30W 3N37W...CROSSING THE EQUATOR ALONG 45W...INTO NORTHEASTERN BRAZIL NEAR 1S47W. ISOLATED MODERATE SHOWERS ARE TO THE SOUTH OF 5N TO THE EAST OF 50W. ...DISCUSSION... THE GULF OF MEXICO... BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE AREA. THE FLOW IS MOSTLY SOUTHWESTERLY...BECOMING MORE WESTERLY TO THE EAST OF 85W. DRY AIR IN SUBSIDENCE ON WATER VAPOR IMAGERY IS ON TOP OF THE BROAD SURFACE ANTICYCLONIC WIND FLOW. THE NEXT COLD FRONT FOR THIS AREA IS FORECAST TO REACH THE TEXAS GULF COAST IN ABOUT 48 HOURS. THE CARIBBEAN SEA... GALE-FORCE WINDS ARE FORECAST TO DEVELOP IN THE COLOMBIA COASTAL WATERS ROUGHLY 24 HOURS FROM NOW...FROM 11N TO 13N BETWEEN 73W AND 77W...WITH SEAS POSSIBLY FROM 11 FT TO 16 FT. ISOLATED MODERATE SHOWERS DEVELOPED AND HAVE DISSIPATED DURING THE LAST FEW HOURS...FROM 12N TO 13N BETWEEN 65W AND 68W. A REMNANT CLOUD LINE CUTS ACROSS THE AREA FROM THE SOUTHEASTERN CORNER OF THE AREA INTO THE SOUTH CENTRAL CARIBBEAN SEA...TO A SPOT THAT IS ABOUT 150 NM TO THE SOUTHWEST OF JAMAICA. CLOUDS ARE WITHIN 60 NM ON EITHER SIDE OF 11N60W 12N63W 14N70W 15N74W 16N81W. OTHER CLOUDS COVER THE WATERS FROM THE REMNANT CLOUD LINE TO HISPANIOLA BETWEEN 70W AND 80W. A SURFACE-TO-LOW LEVEL TROUGH GOES FROM THE COLOMBIA COAST NEAR 10N76W TO 14N82W TO NORTHERN COASTAL HONDURAS NEAR 16N86W. THE ATLANTIC OCEAN... THE UPPER LEVEL TROUGH THAT 24 HOURS AGO WAS IN THE EASTERN GULF OF MEXICO NOW IS IN PHASE WITH THE WESTERN ATLANTIC OCEAN COLD FRONT. THE FRONT PASSES THROUGH 32N59W 28N63W TO 23N71W. A STATIONARY FRONT CONTINUES FROM 23N71W...ACROSS THE BAHAMAS... TO THE CUBA COAST NEAR 21N77W. THE UPPER LEVEL TROUGH PASSES THROUGH 32N59W 28N61W 24N68W...SURROUNDED BY DRY AIR IN SUBSIDENCE ON THE WATER VAPOR SATELLITE IMAGERY. SHOWERS ARE POSSIBLE IN THE CLOUDINESS THAT IS WITHIN 30 NM TO 60 NM ON EITHER SIDE OF THE LINE THAT PASSES THROUGH 32N56W 29N60W 23N71W 22N78W. A DEEP LAYER CYCLONIC IS NEAR 30N36W. CYCLONIC FLOW AROUND THIS CENTER COVERS THE AREA FROM 22N TO 35N BETWEEN 24W AND 44W. THE TROUGH THAT EXTENDS FROM THE CYCLONIC CENTER TO 16N39W AND 13N48W SUPPORTS THE COLD FRONT THAT CURVES FROM 31N29W TO 27N28W 20N33W 16N40W 14N47W. A STATIONARY FRONT CONTINUES FROM 14N47W TO 12N61W...APPROACHING THE SOUTHEASTERN CORNER OF THE CARIBBEAN SEA. COMPARATIVELY COLDER CLOUD-TOP TEMPERATURES OF AT LEAST -60C AND CLOUD TOPS REACHING AT LEAST 50000 FEET IN SHOWERS AND POSSIBLE THUNDERSTORMS ARE TO THE NORTH OF 26N BETWEEN 24W AND 28W. SHOWERS ARE POSSIBLE IN A CLOUD LINE THAT IS WITHIN 60 NM ON EITHER SIDE OF 23N29W 18N35W 14N50W 12N60W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE. $$ MT