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  • ADVISORY: Post-tropical Cyclone Arthur Advisory Number 8

    From COD Weather Processor@1:2320/107 to wx-atlan@lists.illinois.edu on Thursday, June 18, 2026 02:48:11
    407=20
    WTNT31 KNHC 180248
    TCPAT1
    =20
    BULLETIN
    Post-Tropical Cyclone Arthur Advisory Number 8
    NWS National Hurricane Center Miami FL AL012026
    1000 PM CDT Wed Jun 17 2026
    =20
    ...ARTHUR DEGENERATES TO A LOW PRESSURE AREA ALONG THE UPPER
    TEXAS COAST...
    ...LIFE-THREATENING FLOODING EXPECTED TO CONTINUE ACROSS PORTIONS
    OF THE SOUTHEASTERN UNITED STATES...
    =20
    =20
    SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION -----------------------------------------------
    LOCATION...29.7N 94.5W
    ABOUT 35 MI...55 KM NNE OF GALVESTON TEXAS
    ABOUT 85 MI...135 KM WSW OF LAKE CHARLES LOUISIANA
    MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
    PRESENT MOVEMENT...NE OR 40 DEGREES AT 9 MPH...15 KM/H
    MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
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    =20
    WATCHES AND WARNINGS
    --------------------
    CHANGES WITH THIS ADVISORY:
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    All coastal watches and warnings are discontinued.
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    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
    =20
    None.
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    =20
    DISCUSSION AND OUTLOOK
    ----------------------
    At 1000 PM CDT (0300 UTC), the center of Post-Tropical Cyclone=20
    Arthur was located near latitude 29.7 North, longitude 94.5 West.=20
    The post-tropical cyclone is moving toward the northeast near 9 mph=20
    (15 km/h). A northeastward motion at a faster forward speed is=20
    expected tonight, followed by a turn toward the east-northeast=20
    Thursday through Friday. On the forecast track, the remnants of=20
    Arthur should move farther inland over southeastern Texas and=20
    western Louisiana tonight, then cross the southeastern United States=20 Thursday through Friday.
    =20
    Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.=20
    While additional weakening is expected as the system moves inland,=20
    the remnants of Arthur will continue to produce widespread heavy=20
    rains across the southeastern United States during the next few=20
    days.
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    The estimated minimum central pressure based on surface observations=20
    is 1000 mb (29.53 inches).
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    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for remnants of Arthur can be found in the Tropical=20
    Cyclone Discussion under AWIPS header MIATCDAT1 and WMO header=20
    WTNT41 KNHC.
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    RAINFALL: Arthur is expected to produce rainfall totals of 5 to 10=20
    inches, with isolated higher totals near 20 inches, through early=20
    Friday from the Mid and Upper Texas coast east-northeast into=20
    southern and central portions of Louisiana, Mississippi, and=20
    Alabama, along with western portions of Georgia and the Florida=20
    Panhandle. This could generate dangerous to life-threatening flash=20
    flooding.
    =20
    For a complete depiction of forecast rainfall associated with the=20
    remnants of Arthur, please see the National Weather Service Storm=20
    Total Rainfall Graphic available at=20 hurricanes.gov/graphics_at1.shtml?rainqpf and the Flash Flood Risk=20
    graphic at hurricanes.gov/graphics_at1.shtml?ero.
    =20
    For a list of rainfall observations (and wind reports) associated=20
    with Arthur, see the companion storm summary at WBCSCCNS1 with the=20
    WMO header ACUS44 KWBC or at the following link:=20 https://urldefense.com/v3/__http://www.wpc.ncep.noaa.gov/discussions/nfdscc= 1.html__;!!DZ3fjg!5C2OXZUUhzRSQkfidjDcUVny2x0nm6rVmjTp6KtScI_bNF_yrkj2AtIfd= FBBoWtbYvW0J16gROl-BT0pzSTkgAY3DOc$ .
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    WIND: Winds gusts to tropical-storm force are possible along the=20
    Louisiana coast tonight.
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    STORM SURGE: Water levels remain elevated along the Upper Texas=20
    coast but will continue to subside overnight.
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    SURF: Swells generated by Arthur are likely to cause=20
    life-threatening surf and rip current conditions along the=20
    northwestern Gulf Coast for the next day or two. Please consult=20
    products from your local weather office.
    =20
    A depiction of rip current risk for the United States can be found
    at: hurricanes.gov/graphics_at1.shtml?ripCurrents
    =20
    TORNADO: A few tornadoes are possible tonight across southeast=20
    Louisiana and southern Mississippi, and tomorrow into parts of=20
    Alabama, Georgia, and the Florida Panhandle.
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    =20
    NEXT ADVISORY
    -------------
    This is the last public advisory issued by the National Hurricane=20
    Center on this system.
    =20
    $$
    Forecaster Beven
    =20

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