• PTC Francine Flood Threat

    From Mike Powell@618:250/1 to All on Friday, September 13, 2024 08:24:00
    363
    WTNT31 KWNH 130847
    TCPAT1

    BULLETIN
    Post-Tropical Cyclone Francine Advisory Number 19
    NWS Weather Prediction Center College Park MD AL062024
    400 AM CDT Fri Sep 13 2024

    ...HEAVY RAINFALL AND FLASH FLOOD THREAT TO CONTINUE ACROSS
    PORTIONS OF THE TENNESSEE VALLEY AND SOUTHEAST...


    SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ----------------------------------------------
    LOCATION...35.5N 91.5W
    ABOUT 90 MI...145 KM WNW OF MEMPHIS TENNESSEE
    MAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H
    PRESENT MOVEMENT...W OR 270 DEGREES AT 3 MPH...6 KM/H
    MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES


    WATCHES AND WARNINGS
    --------------------
    SUMMARY OF WATCHES IN EFFECT:

    Flood Watches are in effect for portions of the Tennessee Valley
    and Southeast.


    DISCUSSION AND OUTLOOK
    ----------------------
    At 400 AM CDT (0900 UTC), the center of Post-Tropical Cyclone
    Francine was located near latitude 35.5 North, longitude 91.5 West.
    The post-tropical cyclone is moving toward the west near 3 mph (6
    km/h) and this motion is expected to continue before the system
    dissipates later today.

    Maximum sustained winds are near 25 mph (35 km/h) with higher gusts.
    Little change in strength is forecast before the system dissipates.

    The estimated minimum central pressure is 1003 mb (29.62 inches).


    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Francine can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDAT1 and WMO header WTNT41 KNHC.

    RAINFALL: Through Sunday, additional rainfall amounts of 3 to 6
    inches, with isolated totals around 8 inches, are expected across
    portions of central and northern Alabama. This rainfall could lead
    to locally considerable flash and urban flooding. Additional
    rainfall of 2 to 4 inches is expected across portions of
    northeastern Mississippi, western Tennessee, western Georgia and the
    Florida Panhandle.

    For a complete depiction of forecast rainfall associated with
    Francine, please see the National Weather Service Storm Total
    Rainfall Graphic, available at
    hurricanes.gov/graphics_at1.shtml?rainqpf and the Flash Flood Risk
    graphic at hurricanes.gov/graphics_at1.shtml?ero. For a list of
    rainfall observations (and wind reports) associated this storm, see
    the companion storm summary at WBCSCCNS1 with the WMO header ACUS41
    KWBC or at the following link: http://www.wpc.ncep.noaa.gov/discussions/nfdscc1.html .


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

    $$
    Forecaster Chenard

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