711  
AXNT20 KNHC 120457  
TWDAT  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0605 UTC FRI APR 12 2024  
 
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 31N. THE FOLLOWING INFORMATION IS BASED ON SATELLITE  
IMAGERY, WEATHER OBSERVATIONS, RADAR AND METEOROLOGICAL ANALYSIS.  
 
BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
0455 UTC.  
   
..SPECIAL FEATURES
 
 
ATLANTIC GALE WARNING: A COLD FRONT EXTENDS FROM SOUTH CAROLINA TO  
CAPE CANAVERAL, FLORIDA. A LINE OF SHOWERS AND ISOLATED  
THUNDERSTORMS ARE NOTED AHEAD OF THE FRONTAL BOUNDARY. STRONG TO  
GALE-FORCE S-SW WINDS ARE OCCURRING AHEAD OF THE FRONT TO 70W AND  
NORTH OF 27N. STRONG TO NEAR GALE-FORCE W WINDS ARE EVIDENT  
BEHIND THE FRONT TO OFF NE FLORIDA AND NORTH OF 27N. SEAS OF 8-13  
FT ARE PRESENT NORTH OF 27N AND WEST OF 70W, WITH THE HIGHEST SEAS  
NEAR 31N77W. THESE CONDITIONS WILL IMPROVE BY FRI AFTERNOON AS  
THE FRONT MOVES EASTWARD AWAY FROM THE AREA. THE FRONT WILL REACH  
FROM 31N74W TO THE NW BAHAMAS FRI MORNING, AND FROM NEAR BERMUDA  
TO THE CENTRAL BAHAMAS SAT MORNING. THE FRONT WILL THEN STALL AND  
DISSIPATE THROUGH THE REMAINDER OF THE UPCOMING WEEKEND.  
 
CARIBBEAN GALE WARNING: A STRONG SUBTROPICAL RIDGE OVER THE NW  
ATLANTIC WILL FORCE FRESH TO NEAR GALE-FORCE EASTERLY WINDS  
ACROSS THE SOUTH-CENTRAL CARIBBEAN DURING THE NEXT SEVERAL DAYS.  
GALE FORCE WINDS ARE EXPECTED TO PULSE OFFSHORE COLOMBIA ON FRI  
NIGHT THROUGH SUN NIGHT. SEAS SHOULD PEAK NEAR 12 FT DURING LATE  
NIGHT/EARLY MORNING HOURS OF ALL THREE NIGHTS.  
 
PLEASE READ THE LATEST HIGH SEAS FORECAST, AT  
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFAT2.SHTML, FOR MORE DETAILS  
ON THE ABOVE GALE WARNINGS.  
   
..MONSOON TROUGH/ITCZ
 
 
THE MONSOON TROUGH ENTERS THE ATLANTIC THROUGH THE COAST OF GUINEA  
NEAR 10N14W AND CONTINUES SOUTHWESTWARD TO 02N19W. THE ITCZ  
EXTENDS FROM 02N19W TO 02S45W. SCATTERED MODERATE CONVECTION IS  
OBSERVED SOUTH OF 04N AND WEST OF 31W.  
 
GULF OF MEXICO...  
 
A COLD FRONT EXTENDS FROM SW FLORIDA TO NE YUCATAN, PRODUCING  
SCATTERED SHOWERS OVER THE FLORIDA STRAITS. FAIRLY TRANQUIL  
WEATHER CONDITIONS ARE EVIDENT BEHIND THE FRONTAL BOUNDARY. THE  
WEAK PRESSURE GRADIENT ACROSS THE GULF OF MEXICO RESULT IN  
MODERATE TO LOCALLY FRESH NORTHERLY WINDS IN THE EASTERN GULF,  
WHILE MODERATE OR WEAKER WINDS ARE FOUND IN THE REMAINDER OF THE  
BASIN. SEAS ARE 6-9 FT EAST OF 90W AND 4-7 FT WEST OF 90W.  
 
FOR THE FORECAST, A COLD FRONT EXTENDS FROM FORT MYERS, FLORIDA TO  
THE YUCATAN CHANNEL. STRONG WINDS WILL PREVAIL BEHIND OF THE  
FRONT TONIGHT IN THE EASTERN GULF AND DISSIPATE BY FRI MORNING.  
ROUGH SEAS CONTINUE BEHIND THE FRONT ACROSS THE EASTERN GULF AND  
WILL SUBSIDE BY FRI MORNING AS THE FRONT MOVES SE OF THE AREA.  
HIGH PRESSURE WILL BUILD IN THE WAKE OF THE FRONT WITH IMPROVING  
CONDITIONS THROUGH THE UPCOMING WEEKEND.  
 
CARIBBEAN SEA...  
 
PLEASE REFER TO THE SPECIAL FEATURES FOR INFORMATION ON THE GALE  
WARNING OFF NW COLOMBIA.  
 
A COLD FRONT ENTERING THE NW CARIBBEAN SEA IS PRODUCING A LINE OF  
SHOWERS AND ISOLATED THUNDERSTORMS AHEAD OF THE BOUNDARY, ALSO  
AFFECTING WESTERN CUBA AND THE EASTERN YUCATAN PENINSULA. THE REST  
OF THE CARIBBEAN SEA IS DOMINATED BY A 1036 MB HIGH PRESSURE  
SYSTEM LOCATED SOUTH OF NEWFOUNDLAND. THE PRESSURE GRADIENT  
BETWEEN THE AFOREMENTIONED RIDGE AND LOWER PRESSURES IN NW SOUTH  
AMERICA RESULT IN STRONG TO NEAR GALE-FORCE EASTERLY TRADE WINDS  
IN THE SOUTH-CENTRAL CARIBBEAN. SEAS IN THESE WATERS ARE 8-11 FT.  
FRESH TO STRONG EASTERLY BREEZES AND SEAS OF 5-8 FT ARE FOUND IN  
THE NORTH-CENTRAL AND NE CARIBBEAN. MODERATE TO LOCALLY FRESH  
EASTERLY WINDS AND SEAS OF 4-7 FT ARE NOTED IN THE SOUTHEASTERN  
CARIBBEAN. ELSEWHERE, MODERATE OR WEAKER WINDS AND SLIGHT TO  
MODERATE SEAS PREVAIL.  
 
FOR THE FORECAST, FRESH TO STRONG WINDS WILL PREVAIL ACROSS THE SOUTH  
CENTRAL CARIBBEAN, PULSING TO NEAR GALE-FORCE OFF THE COLOMBIA  
COAST TONIGHT. GALE FORCE WINDS ARE EXPECTED TO PULSE OFFSHORE  
COLOMBIA AT NIGHT FROM FRI NIGHT THROUGH SUN NIGHT. FRESH TO  
STRONG WINDS IN THE WINDWARD PASSAGE AND SOUTH OF HISPANIOLA WILL  
PREVAIL SAT NIGHT AND SUN NIGHT. MEANWHILE, A COLD FRONT  
STRETCHING ACROSS THE YUCATAN CHANNEL WILL STALL AND DISSIPATE  
TONIGHT THROUGH FRI. THIS WILL BRING MODERATE TO LOCALLY FRESH  
WINDS AND MODERATE SEAS.  
 
ATLANTIC OCEAN...  
 
PLEASE REFER TO THE SPECIAL FEATURES FOR INFORMATION ON THE GALE  
WARNING OFF NE FLORIDA.  
 
ASIDE FROM THE COLD FRONT DESCRIBED IN THE SPECIAL FEATURES SECTION,  
THE REMAINDER OF THE TROPICAL WESTERN ATLANTIC IS DOMINATED BY A  
STRONG SUBTROPICAL RIDGE CENTERED SOUTH OF NEWFOUNDLAND. A  
DISSIPATING STATIONARY FRONT STRETCHES FROM 31N32W TO 19N48W,  
BECOMING A SURFACE TROUGH TO THE NE CARIBBEAN. THE PRESSURE  
GRADIENT BETWEEN THE AFOREMENTIONED RIDGE AND SURFACE TROUGH  
SUSTAIN FRESH TO STRONG NE-E WINDS NORTH OF THE SURFACE TROUGH TO  
28N AND BETWEEN 42W AND 68W. SEAS IN THESE WATERS ARE 7-10 FT.  
 
MODERATE TO FRESH EASTERLY WINDS AND SEAS OF 6-9 FT ARE PRESENT  
SOUTH OF 18N AND WEST OF 40W. ELSEWHERE, MODERATE OR WEAKER WINDS  
AND MODERATE SEAS PREVAIL.  
 
FOR THE FORECAST WEST OF 55W, A COLD FRONT IS MOVING OFF THE NE  
FLORIDA COAST AND WILL CONTINUE MOVING SOUTH AND EAST OVER THE  
NEXT FEW DAYS. GALE FORCE SOUTHERLY WINDS ACROSS THE FLORIDA  
OFFSHORE WATERS WILL CONTINUE TONIGHT AHEAD OF THE FRONT MAINLY N  
OF 30N. ROUGH SEAS WILL ACCOMPANY THESE WINDS. THESE CONDITIONS  
WILL IMPROVE BY FRI AFTERNOON AS THE FRONT MOVES EASTWARD AWAY  
FROM THE AREA. THE FRONT WILL REACH FROM 31N74W TO THE NW BAHAMAS  
FRI MORNING, AND FROM NEAR BERMUDA TO THE CENTRAL BAHAMAS SAT  
MORNING. THE FRONT WILL THEN STALL AND DISSIPATE THROUGH THE  
REMAINDER OF THE UPCOMING WEEKEND.  
 

 
DELGADO  
 
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