• TROPDISC: Caribbean Gale

    From Mike Powell@1:2320/105 to All on Fri Mar 21 09:32:00 2025
    761
    AXNT20 KNHC 210854
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Fri Mar 21 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 0830 UTC.

    ...SPECIAL FEATURES...

    Caribbean Gale Warning: A tightening pressure gradient between
    higher pressure building in the western Atlantic and lower
    pressure over Colombia will support fresh to strong trades in the
    south- central part of the basin pulsing to gale-force speeds at
    night and into the early morning hours into early next week. Seas
    of 8 to 12 ft are expected with the strongest winds. Winds and
    seas will diminish by the middle of next week.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough enters the Atlantic through the coast of
    Africa near 10N14W and continues west-southwestward to 05N19W.
    The ITCZ extends from 01N23W to 02S44W. Scattered moderate
    isolated strong convection is noted from 00N to 04N between 03W
    and 13W. Widely scattered moderate convection is observed from 02N
    to 04N between 25W and 45W.

    ...GULF OF MEXICO...

    High pressure is building into the Gulf waters, currently centered
    over the NW Gulf. Fresh to strong winds, and seas of 6-9 ft
    prevail SE of a line from the Florida panhandle to the Bay of
    Campeche. Light to gentle winds, and seas of 2-3 ft, are in the
    vicinity of the high center. Gentle to moderate winds, and seas of
    4-6 ft are noted elsewhere.

    For the forecast, fresh to strong winds and rough seas will
    diminish today. High pressure will build in the Gulf, supporting
    moderate to locally fresh S to SE winds over the western and
    central Gulf, and gentle to moderate winds in the eastern basin
    through this weekend. A surface trough will develop over the
    Yucatan Peninsula and move into the Bay of Campeche nightly
    through Sun, increasing winds to fresh to strong speeds in the
    Peninsula adjacent waters. The next cold front may enter the
    northwestern basin early next week.

    ...CARIBBEAN SEA...

    Please refer to the Special Features section above for
    information on a Gale Warning.

    A cold front is over the Yucatan channel. Moderate winds prevail
    over the far NW Caribbean, with seas in the 3-4 ft range. Fresh to
    strong winds, and seas of 8-9 ft are over the south central
    waters, with moderate to fresh winds elsewhere S of 15N and E of
    78W. Gentle to moderate winds, and seas of 2-5 ft, cover the
    remainder of the Caribbean waters.

    For the forecast, fresh to strong E to NE winds offshore of
    Colombia and Venezuela will pulse to gale force offshore of
    Colombia each night and early morning into early next week. A cold
    front entering the northwestern Caribbean will support moderate
    to fresh NE winds and moderate seas in the wake of the front
    through this morning. The front will dissipate today. Fresh to
    occasionally strong NE winds will pulse in the Windward Passage
    and in the lee of Cuba into early next week. Fresh to strong SE
    winds will develop across the Gulf of Honduras late this weekend
    into early next week.

    ...ATLANTIC OCEAN...

    A cold front is over the NW portion of the discussion waters.
    Fresh to strong winds are E of the front with strong to near- gale
    force winds S of the front. Seas over these waters are in the
    9-10 ft range. Farther east, a cold front enters the waters near
    31N51W and extends SW to near 27N55W. Scattered moderate and
    isolated strong convection is within 90 nm SE of the front. A
    surface trough is SE of the front, with an area of scattered
    moderate and isolated strong convection in the vicinity of the
    trough. Fresh to strong winds are found N of 26N and E of the
    front to near 47W. Subsiding W to NW swell ushered in by these
    features is supporting 8-locally 12 ft seas over the waters N of
    18N between 50W and 67W. High pressure dominates the eastern
    Atlantic, anchored by a 1029 high centered near 38N35W. Gentle to
    moderate winds prevail across the eastern Atlantic. Seas of 8-11
    ft are noted N of 16N and E of 31W, with seas in the 5-7 ft range elsewhere.

    For the forecast west of 55W, rough seas E of 63W will subside
    today. A cold front from 31N75W to S Florida will progress
    eastward, with fresh to strong SW winds ahead of the front, and
    strong to near- gale force winds and locally very rough seas
    behind the front into early Sat. Fresh trade winds and rough seas
    are expected to develop east of the Windward Islands this weekend
    into early next week. High pressure will build in the wake of the
    front over the western Atlantic this weekend.

    $$
    AL
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  • From Mike Powell@1:2320/105 to All on Sat Mar 22 09:10:00 2025
    778
    AXNT20 KNHC 220830
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Sat Mar 22 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 0830 UTC.

    ...SPECIAL FEATURES...

    Caribbean Gale Warning: High pressure N of area combined with
    the Colombian low will supporting pulsing winds to gale force
    offshore of Colombia each night and early morning through Mon
    night. Seas will build to near 14 ft with the strongest winds.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough enters the Atlantic through the coast of Africa
    near 13N16W to 02N25W. The ITCZ continues from 02N25W to 00N50W.
    Scattered moderate convection is noted from 02N to 05N between 15W
    and 25W, and from 00N to 04N between 25W and 50W.

    ...GULF OF MEXICO...

    High pressure prevails across the basin, anchored by a 1022 mb
    located over the NE Gulf. Moderate to locally fresh winds are over
    the Gulf waters W of 90W, where seas are in the 205 ft range.
    Light to gentle winds, and seas of 2-3 ft, are in the vicinity of
    the high center. Gentle winds, and seas of 4-6 ft are over the
    remainder of the Gulf waters.

    For the forecast, the area of high pressure will support moderate
    to locally fresh S to SE winds over the western and central Gulf,
    and gentle to moderate winds in the eastern basin into early next
    week. A surface trough will develop over the Yucatan Peninsula
    and move into the Bay of Campeche nightly through Sun, supporting
    pulses of fresh to strong winds over adjacent waters. The next
    cold front may enter the northwestern basin Mon, but will likely
    dissipate as it moves through the central Gulf by Tue.

    ...CARIBBEAN SEA...

    A Gale Warning is in effect offshore Colombia. Please, refer to
    the Special Features section above for more information.

    Outside of the gale area, fresh to strong NE winds prevail across
    the southern half of the basin E of 80W, with moderate seas.
    Moderate to fresh NE winds are noted across the northern half
    with slight to locally moderate seas.

    For the forecast, fresh to strong E to NE winds offshore of
    Colombia and Venezuela will pulse to gale force offshore of
    Colombia each night and early morning through early next week.
    Fresh to occasionally strong NE winds will pulse in the Windward
    Passage into early next week. Fresh to strong SE winds will
    develop across the Gulf of Honduras from Sun night into the middle
    of next week.

    ...ATLANTIC OCEAN...

    A cold front extends from 31N60W to 25N70W, then becomes
    stationary to central Cuba. Moderate to fresh winds are N of 28N
    on either side of the front. Rough seas are behind the front and N
    of 26N. High pressure dominates the remainder of the basin. Fresh
    to strong winds, and rough seas, are E of 23W to the coast of
    Africa from 12N to 25N. Gentle to moderate winds, and moderate
    seas, generally prevail elsewhere.

    For the forecast west of 55W, rough seas following the front will
    subside to moderate by late today. The stationary portion of the
    front will dissipate while the cold front shifts east of 55W late
    today. High pressure will build in the wake of the front over the
    western Atlantic along 30N. This pattern will support gentle
    breezes and slight to moderate seas north of 22N into early next
    week. The area of high pressure will shift eastward Mon enabling a
    weak cold front to move off the northeast Florida coast. Fresh to
    strong winds may pulse off the northern coast of Hispaniola late
    Sun through Tue.

    $$
    AL
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  • From Mike Powell@1:2320/105 to All on Sun Mar 23 09:55:00 2025
    365
    AXNT20 KNHC 230831
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Sun Mar 23 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 0830 UTC.

    ...SPECIAL FEATURES...

    Caribbean Gale Warning: High pressure N of area combined with
    the Colombian low will support pulsing winds to gale force
    offshore of Colombia tonight and Mon night. Seas will build to 14
    ft with the strongest winds.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough enters the Atlantic through the coast of Africa
    near 11N15W and continues to 03N11W. The ITCZ extends from 03N11W
    to 03S41W. Scattered moderate convection is noted from 00N to 05N
    between 13W and 33W.

    ...GULF OF MEXICO...

    Surface ridging dominates the basin, anchored by a 1021 mb high
    centered over the NE Gulf. A surface trough is analyzed just off
    the west coast of the Yucatan Peninsula. The pressure gradient
    between these features is supporting moderate to fresh winds, and
    seas of 4-6 ft, off the west and NW coast of the Yucatan. Light to
    gentle winds, and seas of 2 ft or less, are in the vicinity of the
    high pressure. Gentle to moderate winds, and seas of 2-4 ft,
    prevail elsewhere.

    For the forecast, high pressure will prevail over the Gulf,
    supporting moderate to locally fresh S to SE winds over the
    western and central Gulf, and gentle to moderate winds in the
    eastern basin into early this week. A surface trough will develop
    over the Yucatan Peninsula and move into the Bay of Campeche
    nightly through early this week, supporting pulses of fresh to
    strong winds over adjacent waters. The next cold front may enter
    the northern basin late Mon, but will likely dissipate as it moves
    into the central and eastern Gulf through Tue night. High
    pressure building over the northeastern Gulf in the wake of the
    front will support moderate to fresh SE winds and building seas
    across the northwest Gulf by Thu.

    ...CARIBBEAN SEA...

    A Gale Warning remains in effect offshore Colombia. Please, refer
    to the Special Features section above for more information.

    Outside of the gale area, fresh to near- gale winds prevail over
    the south central Caribbean, with seas in the 7-10 ft range. Fresh
    to strong winds are elsewhere S of 15N and E of 80W, with seas in
    the 5-8 ft range. Moderate to fresh winds, and seas of 4-7 ft, are
    elsewhere E of 80W. W of 80W, gentle to moderate winds, and seas
    of 2-4 ft, prevail.

    For the forecast, fresh to strong E to NE winds offshore of
    Colombia and Venezuela will pulse to gale force offshore of
    Colombia tonight and Mon night. Fresh to occasionally strong NE
    winds will pulse in the Windward Passage into early this week.
    Fresh to strong SE winds will extend across the Gulf of Honduras
    tonight through the middle of the week.

    ...ATLANTIC OCEAN...

    A trough extends over the central Atlantic waters from 30N55W to
    24N78W. Moderate to locally rough seas are west of the trough to
    near 65W. Light to gentle winds, and seas of 4-6 ft are elsewhere
    W of 50W. High pressure dominates the remainder of the discussion
    waters. Fresh to strong winds, and rough to very rough seas, are N
    of 15N and E of 28W. Moderate to locally fresh winds, and
    moderate seas, prevail elsewhere.

    For the forecast west of 55W, high pressure will build over the
    western Atlantic, supporting gentle breezes and slight to moderate
    seas north of 22N into early this week. The area of high pressure
    will shift eastward Mon enabling a weak cold front to move off
    the northeast Florida coast Mon night. Fresh to strong winds may
    pulse off the northern coast of Hispaniola through mid week.
    Another front may move into waters between northeast Florida and
    Bermuda Wed.

    $$
    AL
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  • From Mike Powell@1:2320/105 to All on Tue Mar 25 08:01:00 2025
    590
    AXNT20 KNHC 250841
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Tue Mar 25 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 0830 UTC.

    ...SPECIAL FEATURES...

    Caribbean Gale Warning: Strong to gale force winds are pulsing off
    the coast of Colombia, with seas peaking near 13 ft. Winds and
    seas will decrease this morning, then pulse to gale force
    offshore of Colombia again tonight. Winds will then pulse to near
    gale force at night through Fri.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough enters the Atlantic near 09N13W and continues
    SW to 06N19W. The ITCZ continues from 06N19W to 00N50W. Scattered
    moderate convection is noted from 00N to 04N between 23W and 47W.

    ...GULF OF MEXICO...

    A surface trough extends across the W Gulf, with weak high
    pressure over the NE Gulf. The pressure gradient between these
    features is supporting moderate to fresh winds, and seas of 4-5
    ft, N and W of the Yucatan peninsula. Light to gentle winds, and
    seas of 2-4 ft prevail elsewhere.

    For the forecast, high pressure across the basin will generally
    support light to gentle SE to S winds over the western and central
    Gulf, and gentle to moderate winds over the eastern part of the
    basin into Wed. A surface trough will develop over the Yucatan
    Peninsula and move into the Bay of Campeche nightly through early
    this week, supporting pulses of fresh to locally strong winds over
    adjacent waters. A cold front will skirt the NE Gulf early today.
    High pressure building into the basin in its wake will lead to
    moderate to fresh southeast winds and building seas across the NW
    Gulf by Thu.

    ...CARIBBEAN SEA...

    A Gale Warning is in effect offshore Colombia. Please, refer to
    the Special Features section above for more information.

    Aside from the area of gale force winds, fresh to strong winds
    prevail over the central Caribbean, with seas in the 8-11 ft
    range. Fresh winds, and seas of 7-9 ft, are over the eastern
    Caribbean. Fresh to strong winds, and seas of 6-7 ft, are found in
    the Gulf of Honduras. Gentle to moderate winds, and seas of 4-6
    ft, prevail elsewhere over the western Caribbean.

    For the forecast, fresh to strong E to NE winds offshore of
    Colombia and Venezuela will pulse to gale force offshore of
    Colombia tonight. These winds will then pulse to near gale force
    at night through Fri. Fresh to strong winds in the Gulf of
    Honduras will diminish today.

    ...ATLANTIC OCEAN...

    High pressure dominates the Atlantic discussion waters. Fresh to
    strong winds prevail over the far eastern Atlantic waters west of
    Africa to near 25W, where seas are in the 8-11 ft range. Moderate
    to fresh winds, and seas of 4-7 ft are elsewhere N of 20N. Fresh
    to locally strong winds, and seas of 7-8 ft, prevail S of 20N.

    For the forecast west of 55W, high pressure over the western
    Atlantic will support gentle breezes and slight to moderate seas
    north of 22N through Wed. The area of high pressure will shift
    eastward enabling a weak cold front to move off the northeast
    Florida coast early today before dissipating. Fresh to locally
    strong winds are likely to pulse off the northern coast of
    Hispaniola into Wed. Another cold front may move into waters
    between northeast Florida and Bermuda Wed. High pressure will
    build in the wake of the front, bringing an increase in winds
    across much of the waters S of 28N by the end of the week.

    $$
    AL
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  • From Mike Powell@1:2320/105 to All on Wed Mar 26 08:00:00 2025
    818
    AXNT20 KNHC 260830
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Wed Mar 26 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 0830 UTC.

    ...SPECIAL FEATURES...

    Caribbean Gale Warning:
    The pressure gradient between a surface ridge N of the area and
    the Colombian low is supporting strong to gale force winds off
    Colombia. Seas with these winds are peaking near 11 ft. Winds will
    diminish below gale force early this morning.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough enters the Atlantic near 07N12W and extends
    southwestward to 05N16W. The ITCZ continues from 05N16W to
    00N48W. Scattered moderate convection is noted from 00N to 05N
    between 08W and 40W.

    ...GULF OF MEXICO...

    High pressure dominates the northern Gulf, anchored by a 1022 mb
    high centered just S of the Florida panhandle. A surface trough
    extends off the west coast of the Yucatan peninsula. The pressure
    gradient between these features is supporting fresh winds off the
    west coast of the Yucatan, where seas are in the 3-4 ft range.
    Light winds, and seas of 2 ft or less are in the vicinity of the
    high center. Gentle to moderate winds, and seas of 2-4 ft prevail elsewhere.

    For the forecast, the aforementioned area of high pressure will
    support gentle to moderate winds over much of the basin today.
    Winds will increase to moderate to fresh across the NW Gulf Thu,
    then further increase to fresh to strong Thu night into Fri while
    expanding in coverage before beginning to diminish Fri night. Seas
    generated by these winds will build to around 10 ft in the NW
    Gulf Fri and Fri night. A weak cold front may move into the NW
    Gulf late Sun night into early next week.

    ...CARIBBEAN SEA...

    Please refer to the Special Features section for details on a
    Gale Warning off the coast of Colombia.

    Aside from the area of gale force winds, fresh to near gale winds
    are over the south central Caribbean, where seas are in the 8-10
    ft range. Moderate to fresh winds, and seas of 6-8 ft prevail
    elsewhere E of 80W. Over the western Caribbean, gentle to moderate
    winds, and seas of 4-7 ft, are noted.

    For the forecast, gale force winds off Colombia will diminish this
    morning. Winds off Colombia will then pulse to near gale force
    speeds tonight through Fri and to fresh to strong speeds for the
    remainder of the period. Fresh to strong winds will develop in
    the lee of Cuba, in the Windward Passage, over the waters between
    Cuba and Jamaica and south of Hispaniola from late Thu through this weekend.

    ...ATLANTIC OCEAN...

    High pressure dominates much of the Atlantic discussion waters,
    anchored by a 1038 mb high centered near 38N39W. Fresh to strong
    winds, and seas of 6-9 ft prevail over the waters E of 60W. Gentle
    to moderate winds, and seas of 3-6 ft, are found over the waters W of 60W.

    For the forecast west of 55W, a cold front will enter the waters
    between northeast Florida and Bermuda today, and will shift
    eastward, moving east of 55W by Thu night. High pressure will
    build in the wake of the front, bringing an increase in winds
    across much of the waters S of 28N by the end of the week. Winds
    and seas will start to decrease this weekend as the high shifts
    eastward and weakens.

    $$
    AL
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