• ADVISORY: Hurricane Melissa Advisory Number 23

    From COD Weather Processor@1:2320/105 to wx-atlan@lists.illinois.edu on Monday, October 27, 2025 02:43:56
    190
    WTNT33 KNHC 270243
    TCPAT3

    BULLETIN
    Hurricane Melissa Advisory Number 23
    NWS National Hurricane Center Miami FL AL132025
    1100 PM EDT Sun Oct 26 2025

    ...MELISSA LIKELY TO CAUSE LIFE-THREATENING AND CATASTROPHIC FLASH
    FLOODING AND LANDSLIDES IN PORTIONS OF JAMAICA AND SOUTHERN
    HISPANIOLA...
    ...HURRICANE CONDITIONS EXPECTED TO BEGIN BY LATE TOMORROW IN
    JAMAICA...


    SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION -----------------------------------------------
    LOCATION...16.3N 77.5W
    ABOUT 125 MI...205 KM SSW OF KINGSTON JAMAICA
    ABOUT 310 MI...495 KM SSW OF GUANTANAMO CUBA
    MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H
    PRESENT MOVEMENT...W OR 270 DEGREES AT 5 MPH...7 KM/H
    MINIMUM CENTRAL PRESSURE...933 MB...27.55 INCHES


    WATCHES AND WARNINGS
    --------------------
    CHANGES WITH THIS ADVISORY:

    A Tropical Storm Warning has been issued for Haiti north of
    Port-Au-Prince to the border with the Dominican Republic on the
    north coast. The Hurricane Watch for the southwestern peninsula of
    Haiti has been discontinued.

    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

    A Hurricane Warning is in effect for...
    * Jamaica
    * Cuban provinces of Granma, Santiago de Cuba, Guantanamo, and
    Holguin.

    A Tropical Storm Warning is in effect for...
    * Haiti
    * Cuban province of Las Tunas

    A Hurricane Warning means that hurricane conditions are expected
    somewhere within the warning area. A warning is typically issued
    36 hours before the anticipated first occurrence of
    tropical-storm-force winds, conditions that make outside
    preparations difficult or dangerous. Preparations to protect life
    and property should be complete.

    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere within the warning area within 36 hours.

    Interests in the Dominican Republic, Cuba, the southeastern and
    central Bahamas, and the Turks and Caicos Islands, and Bermuda
    should monitor the progress of Melissa. Additional watches and
    warnings could be required later tonight or tomorrow.

    For storm information specific to your area, please monitor
    products issued by your national meteorological service.


    DISCUSSION AND OUTLOOK
    ----------------------
    At 1100 PM EDT (0300 UTC), the center of Hurricane Melissa was
    located near latitude 16.3 North, longitude 77.5 West. Melissa is
    moving toward the west near 5 mph (7 km/h). A slow westward motion
    is expected overnight, followed by a turn to the north and northeast
    on Monday and Tuesday. On the forecast track, the core of Melissa
    is expected to move near or over Jamaica on Tuesday, across
    southeastern Cuba Tuesday night, and across the southeastern
    Bahamas on Wednesday.

    Maximum sustained winds are near 145 mph (230 km/h) with higher
    gusts. Melissa is a category 4 hurricane on the Saffir-Simpson
    Hurricane Wind Scale. Additional intensification is forecast over
    the next day or so, followed by fluctuations in intensity. Melissa
    is expected to be a powerful major hurricane when making landfall
    in Jamaica.

    Hurricane-force winds extend outward up to 30 miles (45 km) from the
    center and tropical-storm-force winds extend outward up to 195 miles
    (315 km).

    The estimated minimum central pressure is 933 mb (27.55 inches).


    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Melissa can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC.

    WIND: Tropical storm conditions are likely occuring in Jamaica, with
    hurricane conditions expected to begin by late tomorrow. Tropical
    storm conditions are expected to begin in Eastern Cuba by Tuesday
    afternoon, with Hurricane conditions expected to begin in the
    hurricane warning area by Tuesday evening. Tropical storm conditions
    are ongoing in the warning area in Haiti. Hurricane conditions are
    possible in the Hurricane Watch area in Haiti on Tuesday.

    RAINFALL: Melissa is expected to bring rainfall of 15 to 30 inches
    to portions of Jamaica and additional rainfall of 8 to 16 inches for
    southern Hispaniola through Wednesday, with storm total local maxima
    of 40 inches possible. Catastrophic flash flooding and numerous
    landslides are likely.

    For eastern Cuba, storm total rainfall of 10 to 15 inches, with
    local amounts to 20 inches, is expected by Monday into Wednesday
    resulting in life-threatening and potentially catastrophic flash
    flooding with numerous landslides.

    Over the Southeast Bahamas, total rainfall of 4 to 8 inches is
    expected Tuesday into Wednesday resulting in areas of flash
    flooding.

    For a complete depiction of forecast rainfall associated with
    Melissa, please see the National Weather Service Storm Total
    Rainfall Graphic, available at
    hurricanes.gov/graphics_at3.shtml?rainqpf

    STORM SURGE: A life-threatening storm surge is likely along the
    south coast of Jamaica late Monday through Tuesday morning. Peak
    storm surge heights could reach 9 to 13 feet above ground level,
    near and to the east of where the center of Melissa makes landfall.
    This storm surge will be accompanied by large and destructive waves.

    There is a potential for significant storm surge along the southeast
    coast of Cuba late Tuesday or Wednesday. Peak storm surge heights
    could reach 6 to 9 feet above normal tide levels, near and to the
    east of where the center of Melissa makes landfall. This storm surge
    will be accompanied by large and destructive waves.

    SURF: Swells generated by Melissa are expected to affect portions of Hispaniola, Jamaica, eastern Cuba, and the Cayman Islands during the
    next several days, and In the Bahamas and Bermuda later this week.
    These swells are likely to cause life-threatening surf and rip
    current conditions. Please consult products from your local weather
    office.


    NEXT ADVISORY
    -------------
    Next intermediate advisory at 200 AM EDT.
    Next complete advisory at 500 AM EDT.

    $$
    Forecaster Pasch


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