• TROPDISC: Tropical Weathe

    From Mike Powell@1:2320/105 to All on Friday, January 30, 2026 09:02:26
    383
    AXNT20 KNHC 301046
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Fri Jan 30 2026

    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...

    Gulf of Mexico Gale Warning: A cold front has recently moved
    offshore the coast of Texas and southwest Louisiana. Fresh to
    strong NW to N winds and building seas will follow the front as it
    reaches from Panama City, Florida to just N of Veracruz, Mexico
    by this evening. The low will rapidly deepen through Sat as it
    moves into the western Atlantic. This will reinforce the front as
    it exits to the southeast of the basin on Sat, and usher in
    another blast of arctic air across the Gulf that will support
    winds to gale-force near Veracruz tonight into early on Sat, and
    across the eastern Gulf Sat through Sat evening, with rough to
    very rough seas across the basin. Looking ahead, winds and seas
    will diminish from W to E across the Gulf Sun through Mon as high
    pressure shifts SE into the northern Gulf following the front.

    Atlantic Gale Warning: A cold front will stall this morning over the
    NW forecast waters, then lift back N of the area through late
    this afternoon ahead of a complex low pressure system that tracks
    NE just offshore the Carolina coast. This system will send an
    unusually strong and powerful arctic cold front off the northeast
    Florida coast Sat morning. The associated complex low pressure is
    forecast to deepen rapidly across the NW Atlantic Sat through Sun,
    becoming quite powerful and inducing a very large area of
    westerly gale-force winds covering the local waters N of about
    23.5N, and the central Bahamas, Sat through Sun evening, before
    lifting N of the area Sun night. The front is expected to reach
    from near 31N73W to eastern Cuba Sat evening, from 31N60W to
    eastern Hispaniola Sun evening, then begin to weaken and stall
    from bear 27N55W to eastern Puerto Rico Mon evening. In the wake
    of the front, large long-period NW swell will impact the waters N
    and E of the Bahamas from late Sat through early next week.
    Mariners should monitor the forecasts for Sat and beyond, and
    prepare to execute avoidance plans from these conditions.

    Of note: With the aforementioned cold front, a potentially record
    breaking cold snap is possible late weekend into early next week
    in South Florida. Near freezing to sub-freezing low temperatures
    are possible for a large area of South Florida early Sun, Mon and
    Tue morning. Lows in the 30s could reach as far south as Miami
    Dade County with wind chills in the 20s across all of South Florida.

    Please, read the latest High Seas Forecast, at https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml , for more information.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough axis enters the Atlantic through the coast of
    Guinea near 10N14W, and continues southwestward to 02N20W, where
    it transitions to the ITCZ to 01N30W to 01N40W and to 00N50W.
    Scattered moderate convection is seen within 180 nm north of
    the ITCZ between 23W-33W.

    GULF OF MEXICO...

    See the Special Features section above for information on a Gale
    Warning expected to begin late tonight.

    High pressure of 1022 mb is centered over the NE Gulf near 29N84W.
    It related gradient is allowing for moderate or lighter winds and
    slight to moderate seas across the basin. Overnight scatterometer
    satellite data passes reveal fairly light winds over most the
    basin. A cold front has recently moved into the NW Gulf from the
    southwest Louisiana coast to just offshore the Texas coast. A
    trough is analyzed south of the front from 27N97W to 22N97W and
    to just offshore Veracruz. Broken to overcast low stratus type
    clouds and patches of fog are evident south of 28N and west of
    94W. Isolated showers are possible in this area of the Gulf.

    For the forecast, the cold front that recently moved to just
    offshore the Texas coast will be followed by fresh to strong NW
    to N winds and building seas as it reaches from Panama City,
    Florida to just N of Veracruz, Mexico by Fri evening. The low will
    rapidly deepen Fri through Sat as it moves into the western
    Atlantic. This will reinforce the front as it exits to the
    southeast of the basin on Sat, and usher in another blast of arctic
    air across the Gulf that will support winds to gale-force near
    Veracruz Fri night into early on Sat, and across the eastern Gulf
    Sat through Sat evening, with rough to very rough seas across the
    basin. Looking ahead, winds and seas will diminish from W to E
    across the Gulf Sun through Mon as high pressure shifts SE into the
    northern Gulf following the front.

    CARIBBEAN SEA...

    A shearline is analyzed from the Windward Passage to just
    northwest of Jamaica and continues to 17N80W and to just north of
    northern Panama near 10N82W. Isolated showers are possible
    near the shearline. Moderate to locally fresh N winds are found
    south of 19N and in the lee of Cuba. Seas behind the shearline are
    slight to moderate. Fresh to strong northeast winds and seas of
    5 to 7 ft are over the south-central Caribbean. Moderate to
    locally fresh trades are over he north-central and eastern
    sections of the sea as seen in overnight scatterometer satellite
    data passes over those areas of the sea. Elsewhere, moderate or
    weaker winds and slight to moderate seas are present.

    For the forecast, a unusually strong cold front is forecast to
    move into the northwestern Caribbean Sat morning and move
    southeastward merging with the remnants of the shearline from
    eastern Cuba to western Panama Sat evening. The cold front will
    reach from eastern Hispaniola to the northwest coast of Colombia
    Sun evening, then begin to stall from eastern Puerto Rico to
    northwest Colombia by early Tue. Strong to near gale-force N winds
    and rough seas are expected behind this front.

    ATLANTIC OCEAN...

    See the Special Features section above for information on a Gale
    Warning for a portion of the western Atlantic. It is expected to
    begin on Sat afternoon.

    A stationary front extends from 31N49W to 24N60W and to northwest
    Haiti. A trough is out ahead of the front along a position from
    23N54W to the northeast Caribbean near 17N65W. Broken to overcast
    low and mid-level clouds with possible embedded isolated showers
    are noted south of 26N between 64W and 73W. Otherwise, high
    pressure dominates much of the SW N Atlantic, supporting moderate
    to fresh easterly winds and seas of 5 to 8 ft south of 25N and
    west of the aforementioned front. Moderate to locally strong W-NW
    winds and seas of 8 to 12 ft are north of 28N and west of the
    aforementioned front to 75W. Fresh to strong SW winds and seas of
    10 to 12 ft are north of 27N and east of the front to 38W.

    The remainder of the basin is under the influence of a broad
    subtropical ridge centered over the NE Atlantic that extends
    southeastward to Hispaniola. Moderate to locally fresh easterly
    winds and moderate to rough seas are evident south of 20N and west
    of 35W. Moderate to fresh northeast to east winds and rough seas are
    occurring from 13N to 25N and east of 35W. Large northerly swell
    spreads across the eastern Atlantic due to a strong low pressure
    well north of the area. Rough to very rough seas are reaching the
    Madeira and Canary Islands. Elsewhere, moderate or weaker winds and
    moderate seas prevail.

    For the forecast west of 55W, a cold front will move between
    northeast Florida and Bermuda tonight, but stall early Fri and
    lift north of the area through late Fri ahead of a complex low
    pressure system moving into the Carolina coast. This system will
    send an unusually strong and powerful arctic cold front off the
    northeast Florida coast Sat morning. The associated complex low
    pressure is forecast to deepen rapidly across the NW Atlantic Sat
    through Sun, becoming quite powerful and inducing a very large area
    of westerly gale-force winds covering the local waters north of
    about 23.5N, and the central Bahamas, Sat through Sun evening,
    before lifting N of the area Sun night. The front is expected to
    reach from near 31N73W to eastern Cuba Sat evening, from 31N60W to
    eastern Hispaniola Sun evening, then begin to weaken and stall from
    bear 27N55W to eastern Puerto Rico Mon evening. In the wake of the
    front, large long-period NW swell will impact the waters N and E of
    the Bahamas from late Sat through early next week. Mariners should
    monitor the forecasts for Sat and beyond, and prepare to execute
    avoidance plans from these conditions.

    $$
    Aguirre
    --- SBBSecho 3.28-Linux
    * Origin: Capitol City Online (1:2320/105)
  • From Mike Powell@1:2320/105 to All on Saturday, January 31, 2026 10:53:26
    389
    AXNT20 KNHC 311053
    TWDAT

    Tropical Weather Discussion
    NWS National Hurricane Center Miami FL
    1215 UTC Sat Jan 31 2026

    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 1045 UTC.

    ...SPECIAL FEATURES...

    Gulf of Mexico Gale Warning: A strong cold front extends from
    low pressure over NE Georgia southwestward to the Big Bend of
    Florida, and continues to 25N87W and to inland Mexico near 19N95W.
    Fresh to strong NW to N winds and building seas are in the wake
    of the front as it quickly moves southeastward across the area. It
    will exit the basin by early this afternoon. The low pressure
    will track NE while rapidly intensifying off the Carolina coast
    through tonight as another blast of arctic air surges across the
    Gulf sustaining gale force winds offshore Veracruz into early this
    morning, and across the eastern Gulf through late late tonight,
    with rough to very rough seas across the basin. Gale force winds
    may briefly gusts to storm force over the NE Gulf. Looking ahead,
    winds and seas will diminish from W to E across the Gulf Sun
    through Mon as high pressure shifts eastward across the northern
    Gulf in the wake of the front.

    Atlantic Gale Warning: Low pressure of 1011 mb is just N of the
    area near 31N76W. The low will slowly track NE offshore the
    Carolina coast through tonight while expanding and rapidly
    intensifying. The low will part of complex low pressure system
    with a mean center as it tracks to the NE. A strong arctic cold
    front associated with this system is currently moving through the
    eastern Gulf of Mexico. It will cross Florida today and sweep
    across the western Atlantic through late Sun. In its wake, a very
    large area of westerly strong gale force winds and rapidly rising
    seas will cover the waters N of about 24N and west of 60W Sat
    through Sun evening, before lifting N of the area Sun night. Gusts
    to storm force will be possible with these winds. The front is
    expected to reach from near 31N71W to eastern Cuba this evening,
    from near 31N60W to eastern Hispaniola Sun evening, then begin to
    weaken and stall from near 26N55W to eastern Puerto Rico Mon
    evening. In the wake of the front, large long period NW swell will
    impact the waters N and E of the Bahamas from this evening through
    early next week. High pressure will shift E roughly along 29N next
    week. Mariners should monitor the forecasts for today and beyond,
    and prepare to execute avoidance plans from these upcoming rapidly
    changing conditions.

    Please read the latest High Seas and Offshore Waters Forecasts
    issued by the National Hurricane Center at websites: https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml
    and
    https://www.nhc.noaa.gov/marine/offshores.php
    for more information on both events.

    ...MONSOON TROUGH/ITCZ...

    The monsoon trough enters the Atlantic through the coast of
    Guinea near 11N15W and continues southwestward to 02N22W, where it
    transitions to the ITCZ to 01N30W and to just inland the coast
    of Brazil near 01S48W. Scattered moderate convection is noted
    within 60 nm north of the ITCZ between 25W-34W and within 30 nm
    of the ITCZ between 19W-25W. Similar activity is to the southeast
    of the trough within 30 nm of line from 03N12W to 01N19W.

    ...GULF OF MEXICO...

    Please see the Special Features section above for information
    about a Gale Warning in the SW Gulf soon to end and for
    anoyher Gale Warning for the eastern Gulf.

    East of the cold front described in the Special Features section,
    moderate or weaker winds and slight to moderate seas prevail.

    For the forecast, another cold front is expected to enter the NW
    Gulf early Wed and reach from the Florida panhandle to the western
    Gulf by late Wed..

    ...CARIBBEAN SEA...

    A surface trough extends from the central Bahamas southward
    across central Cuba, to a weak 1013 mb low just south of Cuba
    at 21.5N79W. The trough continues to 10N82W. Moderate to fresh
    northerly winds and moderate seas are west of the trough to near
    84.5W. Meanwhile, moderate to fresh eastern winds and moderate
    seas are occurring in the south-central and eastern Caribbean.
    Elsewhere, moderate or lighter winds and slight to moderate seas
    are prevalent.

    For the forecast, an unusually strong cold front that is
    currently moving through the eastern and central Gulf of Mexico
    will move into the northwestern Caribbean this morning overtaking
    the trough. The cold front will reach from the vicinity of the
    Windward Passage to 15N76W and to Panama late tonight, and from
    Puerto Rico to NE Colombia by Sun evening. It will then begin to
    stall from eastern Puerto Rico to northwest Venezuela by early
    Mon. Strong to near gale force N winds and rough seas are expected
    behind this front. By early Tue, fresh to strong N to NW winds
    will over just about the entire basin roughly west of a line from
    the Virgin Islands to NE Colombia along with seas to near 12 ft.
    These winds and seas diminish slightly in coverage on Wed.

    ...ATLANTIC OCEAN...

    Please see the Special Features section above for information
    about a Gale Warning for the western Atlantic.

    The pressure gradient is tightening in the western waters of the
    tropical Atlantic due to an approaching cold front that is
    currently moving through the eastern Gulf of Mexico. Scattered
    moderate convection is seen east of the Bahamas from 23N to 28N
    between 71W and 75W. This activity is being sustained by an upper-
    level disturbance riding along a subtropical jetstream branch that
    passes over that part of the area. A surface trough extends from
    near 28N76W to the central Bahamas and to central Cuba. Moderate
    to locally strong east to southeast winds are between 65W and 76W
    as depicted in an overnight scatterometer satellite data pass.
    Seas over these waters are about 6 to 8 ft.

    Farther east, a frontal trough extends from near 31N45W to 25N54W,
    and another trough extends from near 31N52W to 27N62W, and yet
    another trough is analyzed from 24N61W to just north of the north-
    central Dominican Republic. Moderate to fresh southwest winds are
    east of the first trough to near 37W and north of about 27.5N.
    Seas are 8 to 10 ft in NW swell within the area of these winds.
    Isolated showers are possible near these troughs. The remainder
    of the basin is under the influence of a 1025 mb high that is near
    29N27W. Moderate to fresh trades and rough seas are found south
    of a line from the Canary Islands to the Leeward Islands.
    Meanwhile, NW swell is producing rough seas north of the
    aforementioned line and east of 35W and also north of the
    dissipating stationary front and east of 65W. Elsewhere,
    moderate or lighter winds and moderate seas prevail.

    For the forecast west of 55W, please, see the Special Features
    section for more information.

    $$
    Aguirre
    --- SBBSecho 3.28-Linux
    * Origin: Capitol City Online (1:2320/105)