000 AXNT20 KNHC 061141 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 AM EDT SAT APR 06 2013 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...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1015 UTC. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH PASSES THROUGH COASTAL SIERRA LEONE NEAR 7N13W TO 3N16W. THE ITCZ CONTINUES FROM 3N16W..REACHING THE EQUATOR ALONG 23W...REMAINING ALONG THE EQUATOR BETWEEN 23W AND 29W...AND CONTINUING TO 3S39W. CONVECTIVE PRECIPITATION... SCATTERED MODERATE TO STRONG TO THE SOUTH OF 2N18W 4N24W 4N37W 3N40W. ISOLATED MODERATE TO LOCALLY STRONG ELSEWHERE TO THE SOUTH OF 6N TO THE EAST OF 50W. ...DISCUSSION... FROM THE WESTERN ATLANTIC OCEAN INTO THE EASTERN GULF OF MEXICO...AND INTO THE WESTERN CARIBBEAN SEA... A MIDDLE LEVEL TO UPPER LEVEL TROUGH PASSES THROUGH 32N76W TO 25N80W...INTO THE NORTHWESTERN CARIBBEAN SEA NEAR 20N84W...TO SOUTHERN GUATEMALA. THE TROUGH SUPPORTS A COLD FRONT THAT EXTENDS FROM A 1011 MB LOW PRESSURE CENTER THAT IS NEAR 31N72W TO A 1010 MB LOW PRESSURE CENTER THAT IS NEAR 27N78W IN THE NORTHERN BAHAMAS...CROSSING CUBA NEAR 23N81W... TO EASTERN HONDURAS NEAR 15N85W. CONVECTIVE PRECIPITATION...BROKEN TO OVERCAST MULTILAYERED CLOUDS AND SCATTERED MODERATE TO ISOLATED STRONG TO THE NORTH OF 20N BETWEEN 63W AND 79W. BROKEN TO OVERCAST MULTILAYERED CLOUDS AND POSSIBLE RAINSHOWERS WITHIN 60 NM TO 120 NM ON EITHER SIDE OF 22N77W IN CUBA TO 17N80W...TO 15N83W NEAR THE BORDER OF EASTERN HONDURAS AND NORTHEASTERN NICARAGUA...TO 11N90W OFF THE COAST OF NICARAGUA IN THE EASTERN PACIFIC OCEAN. MIDDLE LEVEL TO UPPER LEVEL NORTHWESTERLY WIND FLOW COVERS THE GULF OF MEXICO ON THE WESTERN SIDE OF THE TROUGH. THE REST OF THE GULF OF MEXICO... SCATTERED HIGH CLOUDS ARE MOVING FROM TEXAS AND MEXICO TOWARD THE EAST AND SOUTHEAST...WITH THE MIDDLE LEVEL TO UPPER LEVEL NORTHWESTERLY WIND FLOW. THE CLOUDS ARE IN THE GULF OF MEXICO TO THE NORTH OF 21N TO THE WEST OF 90W. SCATTERED TO BROKEN LOW CLOUDS ARE IN THE LOWER VALLEY OF TEXAS. SCATTERED LOW CLOUDS COVER THE MIDDLE TEXAS COASTAL PLAINS. THE HOUSTON METROPOLITAN AREA IS REPORTING A HIGH CLOUD CEILING. FAIR SKIES COVER THE REST OF THE GULF COASTAL PLAINS OF THE U.S.A. FROM THE UPPER TEXAS GULF COAST EASTWARD TO BROOKSVILLE FLORIDA. LOW CLOUD CEILINGS ARE REPORTED FROM THE TAMPA METROPOLITAN AREA SOUTHWARD. FOR THE OFFSHORE OIL PLATFORM SITES THAT ARE TO THE NORTH OF 27N TO THE WEST OF 88W... THE TEXAS COASTAL REPORTS...ICAO STATION KMZG SCATTERED LOW CLOUDS AT 2300 FEET...ICAO STATION KBBF LOW CLOUD CEILING AT 2200 FEET. ICAO STATION KGBK IS REPORTING A LOW CLOUD CEILING AT 3200 FEET. ICAO STATION KIPN AND ICAO STATION KMDJ REPORT A LOW CLOUD CEILING AT 4100 FEET. ICAO STATION KMYT REPORTS A LOW CLOUD CEILING AT 4200 FEET. ICAO STATION KHQI REPORTS A LOW CLOUD CEILING AT 2800 FEET. NO OTHER CLOUDS SHOW UP IN THE OBSERVATIONS. THE REST OF THE CARIBBEAN SEA... A MIDDLE LEVEL TO UPPER LEVEL RIDGE IS ALONG 11N70W IN NORTHWESTERN VENEZUELA...THROUGH THE CARIBBEAN SEA...TO 21N68W IN THE ATLANTIC OCEAN...BEYOND 32N55W. THE MONSOON TROUGH EXTENDS FROM 7N73W IN COLOMBIA... THROUGH THE COLOMBIA/PANAMA BORDER THAT IS NEAR 8N77W...BEYOND 8N82W IN PANAMA...INTO THE EASTERN PACIFIC OCEAN. CONVECTIVE PRECIPITATION...WIDELY SCATTERED MODERATE TO ISOLATED STRONG IN COLOMBIA TO THE NORTH OF 5N TO THE WEST OF 73W. RAINSHOWERS ARE POSSIBLE ELSEWHERE TO THE NORTHEAST OF 16N72W 14N67W 11N62W IN BROAD SURFACE SOUTHEASTERLY WIND FLOW. THE REST OF THE ATLANTIC OCEAN... A SURFACE RIDGE EXTENDS FROM A 1031 MB HIGH PRESSURE CENTER THAT IS NEAR 37N42W...THROUGH 32N48W TO 27N57W 24N69W...TO 23N75W IN THE BAHAMAS. ONE SURFACE TROUGH IS ALONG 64W/65W...FROM 15N IN THE CARIBBEAN SEA TO 21N IN THE ATLANTIC OCEAN. RAINSHOWERS ARE POSSIBLE FROM 16N TO 25N BETWEEN 60W AND 66W. RAINSHOWERS ARE POSSIBLE ALSO FROM 20N TO 23N IN THE ATLANTIC OCEAN BETWEEN 67W AND 71W. THIS CLOUDINESS REMAINS FROM A TROUGH FROM SIX HOURS AGO. A MIDDLE LEVEL TO UPPER LEVEL TROUGH PASSES THROUGH 32N30W TO 26N32W 21N34W 14N50W. THE TROUGH SUPPORTS A COLD FRONT THAT PASSES THROUGH 32N32W TO 30N35W AND 29N41W. RAINSHOWERS ARE POSSIBLE TO THE NORTHWEST AND NORTH OF THE LINE THAT PASSES THROUGH 32N23W TO 27N31W TO 26N40W AND 25N51W. A SURFACE RIDGE PASSES THROUGH 32N20W TO 29N30W AND 27N40W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT