961
AXNT20 KNHC 092152
TWDAT
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0015 UTC THU APR 10 2025
TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA, CENTRAL AMERICA
GULF OF AMERICA, 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2100 UTC.
..SPECIAL FEATURES
WESTERN ATLANTIC GALE WARNING: A STATIONARY FRONT EXTENDS FROM
JUST WEST OF BERMUDA TO A 1013 MB LOW NE OF THE BAHAMAS NEAR
28N75W TO CENTRAL CUBA. A TIGHT PRESSURE GRADIENT BETWEEN THIS LOW
AND HIGH PRESSURE CENTERED OVER THE MID-ATLANTIC UNITED STATES IS
LEADING TO GALE FORCE WINDS JUST N AND W OF THE LOW, N OF 29N
BETWEEN 73W AND 77W. SEAS CONTINUE TO BUILD IN THE AREA OF GALES,
AND NOW REACH AS HIGH AS 16 FT. THE LOW PRESSURE WILL WEAKEN
TONIGHT, ALLOWING THE GRADIENT TO WEAKEN AND GALES TO END. SEAS
WILL BEING TO SUBSIDE EARLY THU.
EAST ATLANTIC SIGNIFICANT SWELL EVENT: LARGE NW SWELL HAS BEEN
MOVING THROUGH THE EASTERN NORTH ATLANTIC OVER THE PAST SEVERAL
DAYS. SEAS OF 12 TO 13 FT CONTINUE N OF 19N AND E OF 32W, BEING
GENERATED BY A GALE-PRODUCING LOW PRESSURE NE OF THE REGION. THESE
VERY ROUGH SEAS WILL PERSIST THROUGH EARLY THU, BEFORE SUBSIDING
AS THE LOW PRESSURE WEAKENS.
PLEASE REFER TO THE LATEST NWS HIGH SEAS FORECAST ISSUED BY THE
NATIONAL HURRICANE CENTER, AT WEBSITE:
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFAT2.SHTML FOR MORE DETAILS.
..MONSOON TROUGH/INTERTROPICAL CONVERGENCE ZONE
THE MONSOON TROUGH IS NOW INLAND OVER AFRICA. THE ITCZ EXTENDS
FROM 06N19W TO 00N37W. SCATTERED MODERATE CONVECTION IS ACTIVE
SOUTH OF 03N WEST OF 33W.
..GULF OF AMERICA
A 1022 MB HIGH IS JUST OFFSHORE CENTRAL LOUISIANA AND EXTENDS A
RIDGE BASIN-WIDE, WHICH IS PRODUCING LIGHT TO GENTLE WINDS W OF
86W, AND MODERATE TO FRESH NORTHERLY WINDS TO THE E. SEAS ARE 1 TO
3 FT ACROSS THE REGION, EXCEPT 3-6 FT IN THE SE GULF.
FOR THE FORECAST, MODERATE TO FRESH N WINDS IN THE E GULF WILL
DIMINISH THROUGH TONIGHT WITH TRANQUIL WEATHER THEN PREVAILING
THROUGH FRI MORNING. A RELATIVELY WEAK COLD FRONT WILL MOVE
THROUGH THE GULF THU NIGHT THROUGH FRI. FRESH NW TO N WINDS
WILL FOLLOW THE FRONT OVER THE NE GULF FRI NIGHT INTO SAT BEFORE
DIMINISHING. HIGH PRES WILL BUILD IN THE WAKE OF THE FRONT WITH
MODERATE TO FRESH SOUTHERLY RETURN FLOW DEVELOPING OVER THE
WESTERN GULF SUN, THEN DIMINISHING THROUGH EARLY NEXT WEEK.
..CARIBBEAN SEA
HIGH PRESSURE BUILDING S BEHIND A STATIONARY FRONT THAT EXTENDS
FROM CENTRAL CUBA TO EASTERN HONDURAS IS SUPPORTING FRESH N WINDS
AND SEAS OF 5 TO 8 FT. MODERATE TO FRESH TRADES ARE ONGOING
ACROSS THE EASTERN AND CENTRAL BASIN UNDER THE INFLUENCE OF THE
CENTRAL ATLANTIC HIGH PRESSURE AND ASSOCIATED RIDGE THAT EXTENDS
ACROSS THE E CARIBBEAN. SEAS OVER THESE WATERS ARE 5 TO 7 FT.
GENTLE TO MODERATE NE WINDS AND 3-5 FT SEAS ARE ELSEWHERE.
FOR THE FORECAST, A FRONTAL BOUNDARY FROM CUBA TO HONDURAS WILL
GRADUALLY DISSIPATE THROUGH THU. FRESH TO STRONG N WINDS W OF
THE FRONT WILL DIMINISH THROUGH EARLY THIS EVENING, WITH FRESH
WINDS THEN CONTINUING OFF HONDURAS THROUGH THE WEEKEND. WINDS WILL
STRENGTHEN OFF NICARAGUA FRI NIGHT AND CONTINUE THROUGH MUCH OF
THE WEEKEND BEFORE DIMINISHING. ELSEWHERE, MODERATE TO FRESH
TRADES WILL PREVAIL IN THE SOUTH- CENTRAL CARIBBEAN INTO THE
WEEKEND BEFORE STRENGTHENING EARLY NEXT WEEK. ROUGH SEAS IN N
SWELL OVER THE ATLANTIC WATERS EAST OF THE LESSER ANTILLES WILL
SUBSIDE THROUGH THU.
..ATLANTIC OCEAN
PLEASE REFER TO THE SPECIAL FEATURES SECTION FOR DETAILS
REGARDING A GALE WARNING N OF A LOW PRESSURE LOCATED NE OF THE
NORTHERN BAHAMAS AND LARGE SWELL IN THE EASTERN SUBTROPICAL
ATLANTIC.
IN THE FAR EASTERN ATLANTIC, A COLD FRONT EXTENDS FROM THE CANARY
ISLANDS TO ALONG 25N TO NEAR 30N35W. N OF THE FRONT, STRONG N
WINDS PREVAIL. ELSEWHERE, MODERATE TO FRESH TRADES AND 7 TO 10 FT
TRADES PREVAIL ACROSS WATERS E OF 55W AS WELL AS WATERS S OF 20N.
FOR AREAS TO THE W OF 55W AND NOT IMPACTED BY THE LOW PRESSURE
PRODUCING THE GALES DEPICTED IN THE SPECIAL FEATURES SECTION
ABOVE, WINDS ARE MODERATE OR LESS AND SEAS ARE 3 TO 6 FT.
FOR THE FORECAST WEST OF 55W, A WEAK COLD FRONT WILL MOVE OFF THE
COAST OF FLORIDA LATE FRI. THE FRONT WILL SHIFT ACROSS THE
FORECAST WATERS, FOLLOWED BY MODERATE TO FRESH W TO NW WINDS. HIGH
PRESSURE WILL BUILD IN THE WAKE OF THE FRONT.
KONARIK
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