• TROPDISC: Gale Warnings

    From Mike Powell@1:2320/105 to All on Sat Feb 15 14:13:00 2025
    672
    AXNT20 KNHC 151058
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Sat Feb 15 2025

    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 0600 UTC surface analysis and satellite imagery through 1030 UTC.

    ...SPECIAL FEATURES...

    Caribbean Gale Warning: Winds will pulse to gale force offshore
    of Colombia early this morning, and again tonight into early Sun
    as a strong pressure gradient prevails between high pressure in
    the western Atlantic and the Colombian low. Locally very rough
    seas are expected near and to the west of the gale force winds.
    Pulsing strong to near-gale force winds are expected each night
    and early morning into next week.

    SW Gulf of Mexico Gale Warning: A cold front will enter the
    northwestern Gulf of Mexico early on Sun, with strong N winds and
    rough seas occurring behind the front west of 90W as it moves
    southeastward. Gale force winds are expected offshore of Veracruz
    on Sun in the wake of the front. Winds will diminish from north to
    south by Mon morning.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough enters the Atlantic near 05N09W and extends to
    03N15W. The ITCZ continues from 03N15W to 02S36W. Scattered
    moderate convection is occurring south of 05N and east of 18W.

    ...GULF OF MEXICO...

    Please refer to the Special Features section for information
    regarding a Gale Warning in the southwestern Gulf of Mexico on Sun.

    A cold front extends from west-central Florida to 26N76W.
    Elsewhere, a 1016 mb low is located in southeastern Texas, and a
    trough extends toward the south through the central Bay of
    Campeche. Moderate to locally fresh SE winds are occurring across
    the eastern, central and northwestern Gulf of Mexico, with gentle
    to locally moderate winds in the southwestern basin, including the
    Bay of Campeche. Seas of 3 to 6 ft are noted across the basin.

    For the forecast, pulsing fresh to locally strong SE to E winds
    will prevail in the southern Gulf early this morning, offshore of
    the Yucatan Peninsula and northwestern Cuba. A warm front will
    lift northward through the northern basin today, and moderate to
    fresh SE to E winds are expected to develop across much of the
    basin, including through the Florida Straits. Locally strong S
    winds and rough seas will be possible in the northwestern Gulf
    offshore of Texas later this morning, with more widespread strong
    S to SW winds developing in the north-central Gulf late tonight
    into Sun. The next cold front will enter the northwestern Gulf of
    Mexico early on Sun, with strong N winds and rough seas occurring
    behind the front west of 90W as it moves southeastward. Gale
    force winds are expected offshore of Veracruz on Sun in the wake
    of the front. Winds will diminish from north to south by Mon
    morning, with transient high pressure expected over the basin
    through Tue. Looking ahead, another cold front will move into the
    northwestern Gulf of Mexico by the middle of next week.

    ...CARIBBEAN SEA...

    Please refer to the Special Features section for information
    regarding a Gale Warning in the south-central Caribbean offshore of Colombia.

    Pulsing gale force winds are occurring offshore of northwestern
    Colombia, with strong winds occurring through the central
    Caribbean, through the Windward Passage and across the Atlantic
    Passages into the eastern basin. Elsewhere, fresh trade winds
    prevail in the southwestern and eastern basin, with moderate winds
    in the northwestern basin. Rough seas cover much of the central
    and eastern Caribbean, with locally very rough seas to 13 ft
    occurring near the gales. Otherwise, moderate seas prevail in the
    northwestern Caribbean.

    For the forecast, winds will pulse to gale force offshore of
    Colombia early this morning, and again tonight into early Sun as a
    strong pressure gradient prevails between high pressure in the
    western Atlantic and the Colombian low. Locally very rough seas
    are expected near and to the west of the gale force winds.
    Widespread fresh trade winds and rough seas will occur across the
    central and eastern Caribbean through this weekend, with winds
    pulsing to strong speeds in the Gulf of Venezuela, through the
    Windward Passage, downwind of Hispaniola, in the lee of Cuba, in
    the Gulf of Honduras, and through the Atlantic Passages.
    Elsewhere, pulsing fresh NE winds are expected in the western
    basin. Looking ahead, a decreasing pressure gradient between the
    Colombian low and high pressure in the western and central
    Atlantic will support moderate to fresh trade winds and locally
    rough seas across the basin into early next week, with locally
    strong winds occurring offshore of Colombia.

    ...ATLANTIC OCEAN...

    A cold front extends from 31N55W southwestward into south Florida,
    and fresh to locally strong NE to E winds and rough seas are
    occurring north of the front. Elsewhere, a weakening cold front
    has been analyzed from 31N20W to 31N33W to 27N43W. Rough seas are
    occurring near this cold front, with very rough seas noted north
    of 28N and east of 39W. Farther south, moderate to fresh NE to E
    winds prevail south of 25N, with locally strong winds and rough
    seas occurring east of the Windward Islands from 12N to 18N west of 45W.

    For the forecast, a cold front extending from 31N55W to south
    Florida will progress southeastward this morning before stalling
    along 28N later today, and dissipate by Sun. Fresh to locally
    strong NE to E winds are expected north of the front this morning.
    Pulsing fresh to locally strong NE to E winds will also occur
    north of Hispaniola and Cuba and near the Bahamas into Sun. A
    long-period N swell associated with this cold front will produce
    rough seas north of 27N by late morning, and north of 23N by Sun
    morning. Very rough seas of 12 to 14 ft will be possible north of
    28N and east of 60W late tonight through Sun. Farther south, fresh
    trade winds and rough seas will prevail south of 23N through this
    weekend, with winds pulsing to strong speeds at times east of the
    Windward Islands. Moderate to locally fresh trade winds and rough
    seas will then occur in this region through at least the middle
    of next week. Elsewhere, winds will turn to the S and strengthen
    west of 70W off the coast of Florida by early Sun ahead of the
    next cold front forecast to move off the coast of the southeastern
    United States Sun night. This front will reach from Bermuda to
    the Florida Straits by Mon afternoon, then drift SE and weaken
    considerably through Tue.

    $$
    ADAMS
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