• ADVISORY: Grace A32A

    From Weather Alert@454:1/105 to All on Sat Aug 21 08:52:00 2021
    890
    WTNT32 KNHC 211149
    TCPAT2

    BULLETIN
    Hurricane Grace Intermediate Advisory Number 32A
    NWS National Hurricane Center Miami FL AL072021
    700 AM CDT Sat Aug 21 2021

    ...GRACE MOVING FARTHER INLAND OVER EASTERN MEXICO...
    ...STRONG WINDS AND HEAVY RAINS SPREADING ACROSS PORTIONS OF
    INTERIOR MEXICO...


    SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ----------------------------------------------
    LOCATION...19.9N 98.3W
    ABOUT 60 MI...100 KM ENE OF MEXICO CITY MEXICO
    MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
    PRESENT MOVEMENT...WSW OR 250 DEGREES AT 14 MPH...22 KM/H
    MINIMUM CENTRAL PRESSURE...980 MB...28.93 INCHES


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

    None.

    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

    A Hurricane Warning is in effect for...
    * The coast of mainland Mexico from Puerto Veracruz to Cabo Rojo

    A Tropical Storm Warning is in effect for...
    * The coast of mainland Mexico from north of Cabo Rojo to Barra del
    Tordo

    A Hurricane Warning means that hurricane conditions are expected
    somewhere within the warning area.

    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere withing the warning 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), the center of Hurricane Grace was located
    inland near latitude 19.9 North, longitude 98.3 West. Grace is
    moving toward the west-southwest near 14 mph (22 km/h), and this
    general motion is expected to continue through tonight. On the
    forecast track, Grace will continue to move farther inland and reach
    central Mexico later today.

    Maximum sustained winds have decreased to near 90 mph (150 km/h)
    with higher gusts. Continued rapid weakening is expected as Grace
    moves inland over the mountains of central Mexico today, and the
    hurricane is forecast to weaken to a tropical storm by this
    afternoon, and then dissipate tonight or Sunday.

    Hurricane-force winds extend outward up to 30 miles (45 km) from
    the center and tropical-storm-force winds extend outward up to 150
    miles (240 km).

    The estimated minimum central pressure is 980 mb (28.93 inches).


    HAZARDS AFFECTING LAND
    ----------------------
    STORM SURGE: A dangerous storm surge will raise water levels by as
    much as 2 to 4 ft above normal tide levels in areas of onshore
    winds during the next few hours near where Grace made landfall. Near
    the coast, the surge will be accompanied by large and destructive
    waves.

    WIND: Hurricane conditions are expected to continue within portions
    of the hurricane warning area in mainland Mexico over the next few
    hours. Tropical storm conditions are expected to continue within
    the tropical storm warning area in mainland Mexico for the next
    several hours.

    RAINFALL: Grace is expected to produce the following rainfall
    amounts:

    Over Veracruz, Puebla, Tlaxcala, Hidalgo, Queretaro, and eastern San
    Luis Potosi...6 to 12 inches of rain with isolated maximum totals
    of 18 inches are expected through Sunday. Heavy rainfall from
    Grace will result in significant flash and urban flooding as well
    as mudslides.

    SURF: High surf generated by Grace will affect the southern Gulf of
    Mexico coastline through the weekend. These swells are likely to
    cause life-threatening surf and rip current conditions. Please
    consult products from your local weather office.


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

    $$
    Forecaster Pasch
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