• PTC Chantal Flooding Cont

    From Mike Powell@1:2320/105 to All on Mon Jul 7 10:49:00 2025
    066
    WTNT33 KWNH 071453
    TCPAT3

    BULLETIN
    Post-Tropical Cyclone Chantal Advisory Number 12
    NWS Weather Prediction Center College Park MD AL032025
    1100 AM EDT Mon Jul 07 2025

    ...CHANTAL BECOMES POST-TROPICAL...
    ...FLASH FLOOD THREAT CONTINUES NEAR AND NORTHEAST OF THE CENTER...


    SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION -----------------------------------------------
    LOCATION...37.5N 76.3W
    ABOUT 30 MI...50 KM NNE OF NEWPORT NEWS VIRGINIA
    ABOUT 120 MI...190 KM SSW OF DOVER DELAWARE
    MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
    PRESENT MOVEMENT...NE OR 50 DEGREES AT 17 MPH...28 KM/H
    MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES


    WATCHES AND WARNINGS
    --------------------
    A Flood Watch is in effect for...
    * Portions of Eastern Virginia
    * Portions of Southern and Eastern Maryland
    * State of Delaware
    * Portions of Southern New Jersey
    * Portions of Southeastern Pennsylvania


    DISCUSSION AND OUTLOOK
    ----------------------
    At 1100 AM EDT (1500 UTC), the center of Post-Tropical Cyclone
    Chantal was located near latitude 37.5 North, longitude 76.3 West.
    The post-tropical cyclone is moving toward the northeast near 17 mph
    (28 km/h) and this motion is expected to continue.

    Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
    Little change in strength is forecast during the next 48 hours.

    The estimated minimum central pressure is 1009 mb (29.80 inches).


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

    RAINFALL: Post-Tropical Cyclone Chantal will continue to produce
    heavy rainfall across portions of Virginia, Maryland, Delaware, New
    Jersey, and Pennsylvania today. Additional rainfall of 1 to 3
    inches, with locally higher amounts, is expected. Isolated to
    scattered flash flooding is possible.

    For a complete depiction of forecast rainfall and flash flooding
    associated with Post-Tropical Cyclone Chantal, please see the
    National Weather Service Storm Total Rainfall Graphic, available at hurricanes.gov/graphics_at3.shtml?rainqpf

    For a list of rainfall observations (and wind reports) associated
    this storm, see the companion storm summary at WBCSCCNS4 with the
    WMO header ACUS44 KWBC or at the following link: http://www.wpc.ncep.noaa.gov/discussions/nfdscc4.html .

    SURF: Life-threatening surf and rip current conditions are expected
    to continue at beaches along the U.S. east coast from northeastern
    Florida to the Mid-Atlantic states during the next day or so.

    A depiction of rip current risk for the United States can be found
    at: hurricanes.gov/graphics_at3.shtml?ripCurrents


    NEXT ADVISORY
    -------------
    Next complete advisory at 500 PM EDT.

    $$
    Forecaster Santorelli/Taylor/Shieh

    $$
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