• ADVISORY: TS Gamma 8A

    From Weather Alert@21:1/175 to All on Sun Oct 4 14:05:00 2020
    702
    WTNT35 KNHC 041154
    TCPAT5

    BULLETIN
    Tropical Storm Gamma Intermediate Advisory Number 8A
    NWS National Hurricane Center Miami FL AL252020
    700 AM CDT Sun Oct 04 2020

    ...AIR FORCE RECONNAISSANCE AIRCRAFT INVESTIGATING GAMMA OVER THE
    EXTREME SOUTHERN GULF OF MEXICO...


    SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ----------------------------------------------
    LOCATION...22.1N 88.2W
    ABOUT 110 MI...175 KM ENE OF PROGRESO MEXICO
    ABOUT 35 MI...55 KM N OF RIO LAGARTOS MEXICO
    MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
    PRESENT MOVEMENT...N OR 355 DEGREES AT 4 MPH...6 KM/H
    MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES


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

    None

    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

    A Tropical Storm Warning is in effect for...
    * North and west of Cancun to Dzilam Mexico

    A Tropical Storm Watch is in effect for...
    * West of Dzilam to Progreso Mexico

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

    A Tropical Storm Watch means that tropical storm conditions are
    possible within the watch area.

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


    DISCUSSION AND OUTLOOK
    ----------------------
    At 700 AM CDT (1200 UTC), an Air Force Reserve Hurricane Hunter
    aircraft has located the center of Tropical Storm Gamma near
    latitude 22.1 North, longitude 88.2 West. Gamma is moving toward the
    north near 4 mph (6 km/h), and this general motion with a further
    decrease in forward speed is forecast today. Gamma should turn
    toward the west or west-southwest tonight or Monday. On the forecast
    track, the center of Gamma will meander offshore of the northern
    Yucatan Peninsula and over the extreme southern Gulf of Mexico
    today, and pass near or just offshore of the northern coast of the
    Yucatan Peninsula on Monday and Tuesday.

    Maximum sustained winds are near 50 mph (85 km/h) with higher
    gusts. Some re-strengthening is expected today, followed by
    weakening tonight or Monday, which should continue into Wednesday.

    Tropical-storm-force winds extend outward up to 115 miles (185 km),
    mainly north and east of the center.

    The minimum central pressure estimated from reconnaissance aircraft
    data is 995 mb (29.39 inches).

    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Tropical Storm Gamma can be found in the Tropical
    Cyclone Discussion under AWIPS header MIATCDAT5, WMO header WTNT45
    KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT5.shtml.

    RAINFALL: Gamma is expected to produce an additional 2 to 4 inches
    with isolated maximum amounts of 6 inches across portions of
    northern Yucatan and far western Cuba through early Tuesday. This
    rainfall may prolong or enhance any ongoing flash flooding.

    Through the middle of the week, a separate area of significant rain
    is possible in the Mexican states of Campeche, Tabasco, northern
    Chiapas, and southeast Veracruz, with rainfall of 6 to 8 inches and
    isolated maximum amounts of 12 inches. This rainfall may produce life-threatening flash floods and mudslides. Another area of heavy
    rain will impact southern Guatemala towards the Gulf of Fonseca
    region between eastern El Salvador, southern Honduras, and northwest
    Nicaragua, with accumulations of 4 to 6 inches and isolated maximum
    amounts of 8 inches.

    WIND: Tropical storm conditions should continue within the Tropical
    Storm Warning area on northern coast of the Yucatan through today.
    Tropical Storm conditions are possible within the Tropical Storm
    Watch area on Monday.

    NEXT ADVISORY
    -------------
    Next complete advisory at 1000 AM CDT.

    $$
    Forecaster Brown
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