• ADVISORY: TS Gaston 14

    From Weather Alert@454:1/105 to All on Fri Sep 23 16:59:00 2022
    327
    WTNT33 KNHC 232042
    TCPAT3

    BULLETIN
    Tropical Storm Gaston Advisory Number 14
    NWS National Hurricane Center Miami FL AL082022
    900 PM GMT Fri Sep 23 2022

    ...GASTON BRINGING HEAVY RAINFALL TO THE AZORES...
    ...TROPICAL STORM CONDITIONS EXPECTED OVER THE WESTERN AND CENTRAL
    AZORES TONIGHT AND SATURDAY...


    SUMMARY OF 900 PM GMT...2100 UTC...INFORMATION ----------------------------------------------
    LOCATION...39.6N 28.7W
    ABOUT 70 MI...110 KM N OF FAIAL ISLAND IN THE CENTRAL AZORES
    MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
    PRESENT MOVEMENT...S OR 180 DEGREES AT 9 MPH...15 KM/H
    MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES


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

    None.

    SUMMARY OF WATCHES AND WARNING IN EFFECT:

    A Tropical Storm Warning is in effect for...
    * Flores and Corvo in the western Azores
    * Faial, Pico, Sao Jorge, Graciosa and Terceira in the central
    Azores

    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere within the warning area, in this case within the
    next 24 hours.

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


    DISCUSSION AND OUTLOOK
    ----------------------
    At 900 PM GMT (2100 UTC), the center of Tropical Storm Gaston was
    located near latitude 39.6 North, longitude 28.7 West. Gaston is
    moving toward the south near 9 mph (15 km/h). A turn to the
    southwest is forecast by early Saturday, and a westward motion is
    anticipated on Saturday evening or Sunday. On the forecast track,
    the center of Gaston will move near or over portions of the Azores
    through early Saturday.

    Maximum sustained winds have decreased to near 60 mph (95 km/h)
    with higher gusts. Gradual weakening is expected over the next few
    days, and Gaston could become a post-tropical cyclone late on
    Sunday.

    Tropical-storm-force winds extend outward up to 175 miles (280 km)
    from the center.

    The estimated minimum central pressure is 995 mb (29.39 inches).


    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Gaston can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC
    and on the web at hurricanes.gov/text/MIATCDAT3.shtml.

    WIND: Tropical-storm-force winds are expected in portions of the
    western and central Azores through tonight and Saturday. See
    products issued by the meteorological service in the Azores for more information.

    SURF: Swells generated by Gaston are expected to affect portions
    of the Azores through Saturday. These swells are likely to cause life-threatening surf and rip current conditions.

    RAINFALL: Gaston is expected to produced total rainfall
    accumulations of 2 to 6 inches with isolated higher amounts across
    the western and central Azores.


    NEXT ADVISORY
    -------------
    Next intermediate advisory at 1200 AM GMT.
    Next complete advisory at 300 AM GMT.

    $$
    Forecaster Bucci


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