000 AXNT20 KNHC 291730 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 105 PM EST FRI 29 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 1730 UTC. ...SPECIAL FEATURES... A COLD FRONT EXTENDS SW ACROSS THE W ATLANTIC FROM A 989 MB LOW CENTERED NEAR 37N68W. THE FRONT REACHES OUR AREA NEAR 32N71W TO 23N79W THEN CONTINUES ACROSS THE W CARIBBEAN TO 15N86W. GALE FORCE WINDS ARE EXPECTED AHEAD OF THE FRONT N OF 28N WITHIN 150 NM E OF THE FRONT...WITH SEAS UP TO 15 FT. THESE CONDITIONS ARE FORECAST TO CONTINUE THROUGH THE NEXT 24 HOURS. PLEASE SEE THE LATEST NWS HIGH SEAS FORECAST UNDER AWIPS/WMO HEADERS MIAHSFAT2/FZNT02 KNHC FOR MORE DETAILS. ...ITCZ/MONSOON TROUGH... THE ITCZ EXTENDS FROM 02N07W TO 02N33W TO 00N47W. ISOLATED MODERATE CONVECTION IS WITHIN 120 NM OF THE AXIS MAINLY W OF 28W. ...DISCUSSION... GULF OF MEXICO... A SURFACE RIDGE PREVAILS ACROSS THE BASIN IN THE WAKE OF A COLD FRONT THAT IS CURRENTLY EXTENDING FROM THE W ATLANTIC INTO THE W CARIBBEAN. THE RIDGE IS ANCHORED BY A 1024 MB HIGH CENTERED NEAR 21N97W. SCATTEROMETER DATA AND CURRENT SURFACE OBSERVATIONS DEPICT A GENTLE TO MODERATE ANTICYCLONIC FLOW ACROSS THE BASIN. EXPECT OVER THE NEXT 24 HOURS FOR THE SURFACE RIDGE TO PREVAIL ACROSS THE BASIN AS THE SURFACE HIGH MOVES NE. CARIBBEAN SEA... A COLD FRONT EXTENDS ACROSS THE W CARIBBEAN FROM 22N79W TO 15N86W. A PRE FRONTAL TROUGH EXTENDS FROM 22N77W TO 14N83W. ISOLATED CONVECTION PREVAILS ALONG AND IN THE VICINITY OF THESE BOUNDARIES MAINLY W OF 78W. A SURFACE RIDGE ANCHORED OVER THE E- CENTRAL ATLANTIC EXTENDS SW ACROSS THE REMAINDER OF THE BASIN. A MODERATE NORTHERLY FLOW PREVAILS BEHIND THE FRONTAL BOUNDARY WHILE GENTLE TO MODERATE TRADES CONTINUE AHEAD OF THE FRONT ACROSS THE CENTRAL AND E CARIBBEAN. SHALLOW MOISTURE TRANSPORTED BY THE TRADES IS GENERATING ISOLATED CONVECTION AFFECTING THE WATERS MAINLY E OF 79W. EXPECT OVER THE NEXT 24 HOURS FOR THE SOUTHERN PORTION OF THE FRONT TO BEGIN STALLING ACROSS THE SW CARIBBEAN WITH ISOLATED CONVECTION. ...HISPANIOLA... ISOLATED SHOWERS PREVAIL ACROSS THE ISLAND AT THIS TIME. EXPECT FOR SHOWER COVERAGE TO INCREASE OVER THE NEXT 24 HOURS AS A FRONTAL BOUNDARY APPROACHES FROM THE W. ATLANTIC OCEAN... A GALE WARNING CONTINUES IN EFFECT FOR THE W ATLANTIC WATERS AHEAD OF A COLD FRONT THAT EXTENDS FROM 32N71W TO 23N79W. THE GALE WARNING COVER THE WATERS N OF 28N AND W OF 69W. PLEASE REFER TO THE SECTION ABOVE FOR DETAILS. SCATTERED LIGHT TO MODERATE CONVECTION ACCOMPANIES THE FRONT W OF 68W. TO THE SE...A PRE-FRONTAL TROUGH EXTENDS FROM 25N74W TO 22N77W WITH ISOLATED CONVECTION. A BROAD SURFACE RIDGE EXTENDS ACROSS THE REMAINDER OF THE BASIN ANCHORED BY A 1042 HIGH CENTERED NEAR 38N23W. EXPECT OVER THE NEXT 24 HOURS FOR THE COLD FRONT TO CONTINUE MOVING E WITH CONVECTION. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ ERA