000 AXNT20 KNHC 241719 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 105 PM EST WED FEB 24 2016 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1715 UTC. ...SPECIAL FEATURES... GULF OF MEXICO GALE WARNING...A COLD FRONT EXTENDS ACROSS THE GULF OF MEXICO FROM 30N85W TO 19N93W. AS THIS FRONT CONTINUES MOVING E...A SURFACE RIDGE IS BUILDING IN THE WAKE OF THE FRONT ACROSS THE NW GULF. THE PRESSURE GRADIENT PREVAILING ACROSS THE BASIN IS STRONG ENOUGH TO SUPPORT GALE FORCE WINDS W OF THE FRONT MAINLY N OF 26N AND W OF 90W. EXPECT FOR THESE CONDITIONS TO CONTINUE THROUGH EARLY THURSDAY. SEE THE LATEST NHC HIGH SEAS FORECAST UNDER THE AWIPS/WMO HEADERS MIAHSFAT2/FZNT02 KNHC FOR MORE DETAILS. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH ENTERS THE E TROPICAL ATLANTIC NEAR 06N11W TO 00N21W WHERE THE ITCZ BEGINS AND CONTINUES TO 03S40W. SCATTERED MODERATE CONVECTION PREVAILS BETWEEN 03S-03N BETWEEN 16W-38W. IS FROM EQUATOR TO 3S BETWEEN 21W-25W... AND FROM 01S-07S BETWEEN 30W-40W. ...DISCUSSION... GULF OF MEXICO... A COLD FRONT IS MOVING ACROSS GULF WATERS EXTENDING FROM 30N85W TO 19N93W. A SURFACE RIDGE IS BUILDING IN THE WAKE OF THE FRONT WITH GALE FORCE WINDS CURRENTLY OCCURRING ACROSS THE NW GULF WATERS. PLEASE REFER TO THE SECTION ABOVE FOR MORE DETAILS. TO THE E OF THE FRONT...A SQUALL LINE EXTENDS FROM 24N87W TO 29N83W. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE OBSERVED WITHIN 50 NM ON EITHER SIDE OF THE SQUALL LINE AFFECTING THE FAR E GULF WATERS AND PORTIONS OF W AND CENTRAL FLORIDA. SCATTEROMETER DATA DEPICTS FRESH TO STRONG NORTHERLY WINDS BEHIND THE FRONTAL BOUNDARY S OF 26N WHILE A MODERATE TO FRESH SOUTHERLY FLOW PREVAILS AHEAD OF THE FRONT. EXPECT OVER THE NEXT 24 HOURS FOR THE FRONT TO CONTINUE MOVING E WITH CONVECTION. GALE FORCE WINDS WILL FOLLOW THIS FEATURE AFFECTING THE NORTHERN GULF MAINLY N OF 28N. CARIBBEAN SEA... A BROAD AREA OF HIGH PRESSURE PREVAILS ACROSS THE ATLANTIC AND EXTENDS SW ACROSS THE CARIBBEAN. STRONG SUBSIDENCE PREVAILS ACROSS THE BASIN SUPPORTING BENIGN WEATHER. THE ONLY AREA WITH ISOLATED CONVECTION IS THE WINDWARD PASSAGE...WHERE A SURFACE TROUGH EXTENDS FROM 21N72W TO 19N75W. SCATTEROMETER DATA DEPICTS MODERATE TO FRESH TRADES ACROSS THE BASIN. EXPECT OVER THE NEXT 24 HOURS FOR A COLD FRONT TO APPROACH THE W CARIBBEAN WITH CONVECTION ENHANCING WINDS/SEAS. SIMILAR WEATHER CONDITIONS WILL PREVAIL ELSEWHERE. HISPANIOLA... A SURFACE TROUGH EXTENDS ACROSS THE WINDWARD PASSAGE ENHANCING CONVECTION ACROSS THE WESTERN PORTION OF THE ISLAND. EXPECT FOR THIS FEATURE TO DISSIPATE OVER THE NEXT 24 HOURS. ATLANTIC OCEAN... A BROAD AREA OF HIGH PRESSURE PREVAILS ACROSS THE TROPICAL ATLANTIC. ISOLATED CONVECTION IS MOVING ACROSS THE W ATLANTIC W OF 77W AS A COLD FRONT AND SQUALL LINE APPROACHES FROM THE GULF OF MEXICO. TO THE E...A SURFACE TROUGH EXTENDS FROM 29N66W TO 24N72W WITH ISOLATED CONVECTION. ANOTHER SURFACE TROUGH WAS ANALYZED EXTENDING FROM 32N47W TO 25N52W. EXPECT OVER THE NEXT 24 HOURS FOR THE FRONT CURRENTLY OVER THE GULF OF MEXICO TO MOVE OVER THE W ATLANTIC WITH CONVECTION. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ ERA