000 AXNT20 KNHC 260542 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 105 AM EST THU FEB 26 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. ...SPECIAL FEATURES... ...GALE WARNING FOR THE SW CARIBBEAN... A GALE WARNING IS EXPECTED ON 0600 UTC OFF THE NW COAST OF COLOMBIA FROM 11N TO 13N BETWEEN 73W AND 76W. THE GALE IS FORECAST TO END AT 1800 UTC. THE GALE IS FORECAST TO RESUME AT 0600 UTC FRI AND END AGAIN AT 1800 UTC FRI. PLEASE SEE THE LATEST HIGH SEAS FORECAST UNDER AWIPS/WMO HEADERS MIAHSFAT2/FZNT02 KNHC FOR MORE DETAILS. ...GALE WARNING FOR THE W ATLANTIC... A GALE IS EXPECTED ON 0600 UTC OFF THE COAST OF FLORIDA N OF 29N BETWEEN 77W AND 81W IN ADVANCE OF A COLD FRONT PRESENTLY OVER THE NE GULF OF MEXICO. THE GALE IS FORECAST TO END ON 1800 UTC. PLEASE SEE THE LATEST HIGH SEAS FORECAST UNDER AWIPS/WMO HEADERS MIAHSFAT2/FZNT02 KNHC FOR MORE DETAILS. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLANTIC NEAR 9N13W TO 1N23W WHERE THE ITCZ BEGINS AND CONTINUES TO 0N34W TO THE COAST OF SOUTH AMERICA NEAR 2S44W. WIDELY SCATTERED MODERATE CONVECTION IS S OF THE MONSOON TROUGH FROM 4S- 4N BETWEEN 5W-23W. ISOLATED MODERATE CONVECTION IS ALONG THE ITCZ FROM 2S-2N BETWEEN 23W-35W. ...DISCUSSION... GULF OF MEXICO... AS OF 0300 UTC...A 999 MB LOW IS CENTERED NEAR TALLAHASSEE FLORIDA AT 30N84W TO THE NW YUCATAN PENINSULA AT 21N89W TO S MEXICO AT 18N93W. SCATTERED MODERATE CONVECTION IS OVER THE NE GULF OF MEXICO AND N FLORIDA N OF 29N BETWEEN 80W-84W. 20-30 KT CYCLONIC WINDS ARE GOING AROUND THE LOW. IN THE UPPER LEVELS... ZONAL FLOW IS OVER THE GULF. UPPER LEVEL MOISTURE IS OVER THE N GULF N OF 26N. STRONG SUBSIDENCE REMAINS OVER THE REMAINDER OF THE GULF. EXPECT IN 24 HOURS FOR THE LOW TO RACE TO THE COAST OF NORTH CAROLINA WITH A COLD FRONT EXTENDING SW TO S FLORIDA AND THE NE YUCATAN PENINSULA WITH SHOWERS. CARIBBEAN SEA... A GALE IS EXPECTED SHORTLY ALONG THE COAST OF NW COLOMBIA. THE GALE IS FORECAST TO PULSE ON AND OFF OVER THE NEXT 36 HOURS. SEE ABOVE. 15-30 KT TRADEWINDS ARE OVER THE REMAINDER OF THE CARIBBEAN. AN AREA OF ISOLATED SHOWERS ARE OVER THE WINDWARD ISLANDS S OF 15N E OF 70W. IN THE UPPER LEVELS...BROAD RIDGING IS OVER THE CARIBBEAN WITH PREDOMINATELY WESTERLY FLOW AND VERY STRONG SUBSIDENCE. EXPECT LITTLE CHANGE OVER THE NEXT 24 HOURS. ...HISPANIOLA... MOSTLY FAIR WEATHER IS OVER THE ISLAND. STRONG SUBSIDENCE WILL SUPPRESS THE FORMATION OF THUNDERSTORMS. ATLANTIC OCEAN... AS OF 0300 UTC...A WARM FRONT EXTENDS E FROM THE LOW OVER N FLORIDA TO BEYOND 32N80W. SCATTERED MODERATE CONVECTION IS N OF 30N W OF 80W. A GALE IS EXPECTED SHORTLY ALONG THE COAST OF N FLORIDA. SEE ABOVE. A LARGE 1041 MB HIGH IS CENTERED E OF THE AZORES AT 38N22W. MOSTLY EASTERLY FLOW WITH FAIR WEATHER IS OVER THE ATLANTIC FROM 20N-30N BETWEEN 20W-60W. IN THE UPPER LEVELS...AN UPPER LEVEL LOW IS CENTERED NEAR THE CANARY ISLANDS AT 29N12W. 20-30 KT NE SURFACE WINDS ARE OVER THE CANARY ISLANDS. EXPECT OVER IN 24 HOURS FOR A COLD FRONT TO EXTEND FROM 30N75W TO S FLORIDA. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA