000 AXNT20 KNHC 241053 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 705 AM EST TUE FEB 24 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1045 UTC. ...SPECIAL FEATURES... ...GALE WARNING FOR THE SW CARIBBEAN... A GALE WARNING IS IN EFFECT OFF THE NW COAST OF COLOMBIA FROM 11N TO 13N BETWEEN 74W AND 76W. THE GALE IS FORECAST TO END AT 1200 UTC. THE GALE IS FORECAST TO RESUME AT 0600 UTC WED AND END AGAIN AT 1200 UTC WED. 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 THU FEB 26 0600 UTC OFF THE COAST OF FLORIDA N OF 30N BETWEEN 77W AND 79W. A 1003 MB LOW IS FORECAST NEAR 31N80W. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLANTIC NEAR 7N12W TO 2N18W WHERE THE ITCZ BEGINS AND CONTINUES TO 1S30W TO THE COAST OF SOUTH AMERICA NEAR 3S40W. SCATTERED MODERATE TO STRONG CONVECTION IS S OF THE MONSOON TROUGH FROM 0N- 4N BETWEEN 5W-9W. ISOLATED MODERATE CONVECTION IS ALONG THE ITCZ FROM 0N-3N BETWEEN 18W-22W. WIDELY SCATTERED MODERATE CONVECTION IS N OF THE ITCZ FROM 0N-8N BETWEEN 38W-48W. ...DISCUSSION... GULF OF MEXICO... AS OF 0900 UTC...A COLD FRONT EXTENDS FROM FORT PIERCE FLORIDA AT 27N80W TO A 1017 MB LOW IN THE CENTRAL GULF OF MEXICO AT 26N91W TO E OF COATZACOALCOS MEXICO AT 18N94W. SCATTERED MODERATE CONVECTION IS WITHIN 30 NM OF 27N89W. RADAR IMAGERY SHOWS SCATTERED SHOWERS OVER THE FLORIDA PANHANDLE AND THE NE GULF N OF 28N E OF 88W. 10-25 KT NORTHERLY WINDS ARE N OF THE FRONT. PATCHY FOG IS ALONG FLORIDA GULF COAST. 5-10 KT SOUTHERLY FLOW IS S OF THE FRONT. IN THE UPPER LEVELS...A BROAD RIDGE IS OVER THE GULF WITH PREDOMINATELY WESTERLY FLOW. UPPER LEVEL MOISTURE IS OVER MOST OF THE GULF N OF 21N. STRONG SUBSIDENCE REMAINS OVER THE BAY OF CAMPECHE. EXPECT OVER THE NEXT 24 HOURS FOR THE FRONT TO REMAIN QUASI-STATIONARY. CARIBBEAN SEA... A GALE IS ALONG THE COAST OF NW COLOMBIA. THE GALE IS FORECAST TO PULSE ON AND OFF OVER THE NEXT 30 HOURS. SEE ABOVE. 15-30 KT TRADEWINDS ARE OVER THE REMAINDER OF THE CARIBBEAN. AN AREA OF ISOLATED SHOWERS ARE OVER THE CENTRAL AND EASTERN CARIBBEAN FROM 14N-19N BETWEEN 64W-78W N. 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... EASTERLY SURFACE FLOW IS GENERATING ISOLATED SHOWERS OVER THE ISLAND. THESE SHOWERS ARE POSSIBLE FOR THE NEXT 24 HOURS. STRONG SUBSIDENCE WILL HOWEVER SUPPRESS THE FORMATION OF THUNDERSTORMS. ATLANTIC OCEAN... AS OF 0900 UTC...A COLD FRONT IS OVER THE W ATLANTIC FROM 31N68W TO FORT PIERCE FLORIDA AT 27N80W. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE FRONT. A LARGE 103 MB HIGH IS CENTERED NEAR THE AZORES AT 39N23W. 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 OVER THE E ATLANTIC NEAR 26N27W. EXPECT IN 24 HOURS FOR THE COLD FRONT TO MOVE E TO 31N64W WITH SHOWERS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA