000 AXNT20 KNHC 300535 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 105 AM EST MON NOV 30 2015 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0515 UTC. ...THE ITCZ/THE MONSOON TROUGH... THE MONSOON TROUGH REMAINS INLAND IN AFRICA. THE ITCZ PASSES THROUGH THE COASTAL SECTIONS OF SIERRA LEONE NEAR 09N13W TO 04N20W 02N31W 08N46W AND 07N52W. CONVECTIVE PRECIPITATION... WIDELY SCATTERED MODERATE TO ISOLATED STRONG AT THE COAST OF SIERRA LEONE WITHIN A 15 NM RADIUS OF 07N12W...AND FROM 01N TO 10N BETWEEN 20W AND 45W. A SURFACE TROUGH IS ALONG 56W/57W FROM 10N TO 15N. CONVECTIVE PRECIPITATION...ISOLATED MODERATE FROM 11N TO 14N BETWEEN 54W AND 58W. ...DISCUSSION... ...THE GULF OF MEXICO... AN UPPER LEVEL RIDGE EXTENDS FROM 08N108W IN THE EASTERN PACIFIC OCEAN...TO 22N103W IN MEXICO...BEYOND SOUTH TEXAS. BROAD LARGE- SCALE UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE GULF OF MEXICO. LARGE-SCALE UPPER LEVEL CYCLONIC WIND FLOW COVERS THE GULF OF MEXICO FROM 25N SOUTHWARD FROM 88W EASTWARD. THIS CYCLONIC WIND FLOW ACCOMPANIES THE ATLANTIC OCEAN-TO-CARIBBEAN SEA UPPER LEVEL TROUGH. THE COMPARATIVELY DRIEST AIR IN SUBSIDENCE IS APPARENT IN WATER VAPOR IMAGERY...FROM 24N SOUTHWARD FROM 92W EASTWARD. A STATIONARY FRONT PASSES THROUGH 30N93W IN SOUTHWESTERN LOUISIANA...TO 25N95W...TO THE COAST OF MEXICO NEAR 22N98W. THE FRONT CONTINUES NORTHWESTWARD IN MEXICO...BEYOND 30N105W. GALE-FORCE WINDS ARE BLOWING IN THE GULF OF TEHUANTEPEC ON THE EASTERN PACIFIC OCEAN SIDE OF SOUTHERN MEXICO. A SURFACE RIDGE EXTENDS FROM THE MEXICO COASTAL WATERS NEAR 21N97W...INTO THE ISTHMUS OF TEHUANTEPEC OF SOUTHERN MEXICO. PLEASE READ THE EASTERN PACIFIC OCEAN HIGH SEAS FORECAST...MIAHSFEP2/FZPN03 KNHC...AND THE EASTERN PACIFIC OCEAN TROPICAL WEATHER DISCUSSION...MIATWDEP/ AXPZ20 KNHC...FOR MORE DETAILS. FOR THE OFFSHORE OIL PLATFORM SITES AND/OR COASTAL SITES THAT ARE TO THE NORTH OF 27N TO THE WEST OF 88W... OBSERVATIONS SHOW A LOW CLOUD CEILING/LIFR CONDITIONS...AT THE FOLLOWING ICAO STATIONS...KMZG...KBBF...KBQX...KGVX...KGLS... AND KXIH ALONG THE TEXAS COAST...AND AT KVBS THAT IS JUST TO THE SOUTH OF THE TEXAS/LOUISIANA COASTAL BORDER. LOW CLOUD CEILINGS/MVFR CONDITIONS ARE BEING OBSERVED AT THE FOLLOWING ICAO STATIONS...AT KATP. ...FROM THE CENTRAL AND WESTERN SECTIONS OF THE ATLANTIC OCEAN...ACROSS THE BAHAMAS AND CUBA...INTO THE WESTERN SECTIONS OF THE CARIBBEAN SEA...INCLUDING CROSSING HISPANIOLA... A MIDDLE LEVEL TO UPPER LEVEL TROUGH IS ALONG 26N74W...TO A 19N77W CYCLONIC CIRCULATION CENTER THAT IS BETWEEN THE SOUTHEASTERN COAST OF CUBA AND JAMAICA...TO EASTERN PANAMA...AND THE SOUTHWESTERN CORNER OF THE CARIBBEAN SEA TO THE GULF OF URABA OF COLOMBIA. LARGE-SCALE UPPER LEVEL CYCLONIC WIND FLOW COVERS THE ATLANTIC OCEAN TO THE WEST OF 63W. LARGE-SCALE UPPER LEVEL CYCLONIC WIND FLOW ALSO COVERS THE ENTIRE CARIBBEAN SEA. A SURFACE TROUGH IS ALONG 31N63W 26N67W...ACROSS CENTRAL HISPANIOLA...TO THE COAST OF COLOMBIA NEAR 12N74W. CONVECTIVE PRECIPITATION...IN THE CARIBBEAN SEA...ISOLATED MODERATE FROM 12N TO 20N BETWEEN 65W AND 80W...INCLUDING ACROSS THE AREA FROM SOUTHEASTERN CUBA TO HISPANIOLA TO PUERTO RICO. RAINSHOWERS ARE POSSIBLE ALSO FROM 12N SOUTHWARD FROM 80WWESTWARD...AND IN PANAMA...COSTA RICA...AND NICARAGUA...AND FROM 14N NORTHWARD FROM 80W WESTWARD. IN THE ATLANTIC OCEAN...WIDELY SCATTERED MODERATE TO ISOLATED STRONG FROM 20N TO 26N BETWEEN 64W AND 76W. SCATTERED MODERATE TO ISOLATED STRONG FROM 31N NORTHWARD BETWEEN 51W AND 54W. RAINSHOWERS ARE POSSIBLE ELSEWHERE FROM 26N TO 31N BETWEEN 50W AND 65W. THE 24-HOUR RAINFALL TOTAL IN INCHES FOR THE PERIOD ENDING AT 30/0000 UTC...ACCORDING TO THE PAN AMERICAN TEMPERATURE AND PRECIPITATION TABLES...MIATPTPAN/SXCA01 KNHC...IS 0.89 IN BERMUDA. ...THE REST OF THE CARIBBEAN SEA... BROAD UPPER LEVEL CYCLONIC WIND FLOW COVERS THE ENTIRE CARIBBEAN SEA. 600 MB TO 800 MB NORTHEASTERLY WIND FLOW COVERS THE CARIBBEAN SEA FROM THE TROUGH WESTWARD. A SURFACE TROUGH IS ALONG 09N74W TO 06N77W IN COLOMBIA TO 03N80W IN THE EASTERN PACIFIC OCEAN. CONVECTIVE PRECIPITATION...NO SIGNIFICANT DEEP CONVECTIVE PRECIPITATION IS IN THE COASTAL WATERS OF THE SOUTHWESTERN CARIBBEAN SEA. THE 24-HOUR RAINFALL TOTALS IN INCHES FOR THE PERIOD ENDING AT 30/0000 UTC...ACCORDING TO THE PAN AMERICAN TEMPERATURE AND PRECIPITATION TABLES...MIATPTPAN/SXCA01 KNHC...ARE 0.05 IN CURACAO...AND 0.02 IN GUADELOUPE. ...HISPANIOLA... UPPER LEVEL SOUTH-TO-SOUTHWEST WIND FLOW IS MOVING ACROSS HISPANIOLA AT THE PRESENT TIME. A SURFACE TROUGH PASSES THROUGH CENTRAL HISPANIOLA. CONVECTIVE PRECIPITATION...ISOLATED MODERATE FROM 12N TO 20N BETWEEN 65W AND 80W...INCLUDING ACROSS THE AREA FROM SOUTHEASTERN CUBA TO HISPANIOLA TO PUERTO RICO. CURRENT OBSERVATIONS...FOR PORT-AU-PRINCE IN HAITI...AT 29/2300 UTC...SCATTERED LOW LEVEL CLOUDS. FOR THE DOMINICAN REPUBLIC... FEW CUMULONIMBUS CLOUDS AT 30/0000 UTC IN BARAHONA. SCATTERED LOW LEVEL CLOUDS AND SCATTERED MIDDLE LEVEL CLOUDS ARE BEING REPORTED IN SANTO DOMINGO AND LA ROMANA. A LOW LEVEL CLOUD CEILING AND A MIDDLE LEVEL CLOUD CEILING ARE IN PUNTA CANA. SCATTERED LOW LEVEL CLOUDS ARE IN SANTIAGO. FEW LOW LEVEL CLOUDS AND A HIGH LEVEL CLOUD CEILING ARE IN PUERTO PLATA. THE GFS MODEL AT 250 MB AND AT 500 MB CONTINUES THE FORECAST TREND OF THE CURRENT ATLANTIC OCEAN-TO-CARIBBEAN SEA TROUGH... ROUGHLY ALONG THE LINE FROM THE WINDWARD PASSAGE INTO THE SOUTHWESTERN CORNER OF THE CARIBBEAN SEA...FOR THE NEXT 48 HOURS. THE GFS MODEL FORECAST AT 250 MB PUTS A CYCLONIC CIRCULATION CENTER IN THE AREA OF THE WINDWARD PASSAGE. EXPECT SOUTHWESTERLY WIND FLOW FOR THE NEXT 48 HOURS. THE GFS MODEL AT 500 MB PUTS A CYCLONIC CIRCULATION CENTER NEAR 16N/17N AND 78W/79W. EXPECT SOUTHERLY WIND FLOW FOR THE NEXT 48 HOURS. THE GFS MODEL AT 700 MB PUTS BROAD CYCLONIC WIND FLOW FROM 16N SOUTHWARD AND FROM 75W WESTWARD. EXPECT A STEADY STREAM OF SOUTHEASTERLY WIND FLOW AT 700 MB FOR THE NEXT 48 HOURS. ...THE REST OF THE ATLANTIC OCEAN... AN UPPER LEVEL TROUGH EXTENDS FROM A 30N28W CYCLONIC CIRCULATION CENTER...TO 18N30W AND 07N34W. UPPER LEVEL CYCLONIC WIND FLOW COVERS THE ATLANTIC OCEAN FROM THE ITCZ NORTHWARD FROM 50W EASTWARD. A SURFACE TROUGH IS ALONG 28N27W 25N28W 20N29W. CONVECTIVE PRECIPITATION...WIDELY SCATTERED MODERATE TO ISOLATED STRONG FROM 24N TO 31N BETWEEN 20W AND 36W. BROKEN TO OVERCAST MULTILAYERED CLOUDS ARE WITHIN 240 NM TO 300 NM ON EITHER SIDE OF 10N22W 20N15W BEYOND 32N09W. A SURFACE RIDGE PASSES THROUGH 32N37W TO 27N53W 19N58W...AND TO 13N62W IN THE EASTERN CARIBBEAN SEA. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ MT