• ADVISORY: Tropical Storm Arthur Intermediate Advisory Number 7a

    From COD Weather Processor@1:2320/107 to wx-atlan@lists.illinois.edu on Wednesday, June 17, 2026 23:31:06
    206=20
    WTNT31 KNHC 172331
    TCPAT1
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    BULLETIN
    Tropical Storm Arthur Intermediate Advisory Number 7A
    NWS National Hurricane Center Miami FL AL012026
    700 PM CDT Wed Jun 17 2026
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    ...CENTER OF ARTHUR RE-FORMS NORTHEASTWARD NEAR GALVESTON TEXAS... ...LIFE-THREATENING FLOODING EXPECTED ACROSS PORTIONS OF THE
    SOUTHEASTERN UNITED STATES...
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    SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ----------------------------------------------
    LOCATION...29.4N 94.9W
    ABOUT 10 MI...15 KM NW OF GALVESTON TEXAS
    ABOUT 115 MI...180 KM WSW OF LAKE CHARLES LOUISIANA
    MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
    PRESENT MOVEMENT...NE OR 35 DEGREES AT 8 MPH...13 KM/H
    MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
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    WATCHES AND WARNINGS
    --------------------
    CHANGES WITH THIS ADVISORY:
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    The Tropical Storm Warning is discontinued west of High Island,=20
    Texas.
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    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
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    A Tropical Storm Warning is in effect for...
    * High Island, Texas to Morgan City, Louisiana
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    A Tropical Storm Warning means that tropical storm conditions are
    expected within the warning area.
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    For storm information specific to your area, including possible
    inland watches and warnings, please monitor products issued by your
    local National Weather Service forecast office.
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    DISCUSSION AND OUTLOOK
    ----------------------
    At 700 PM CDT (0000 UTC), the center of Tropical Storm Arthur was=20
    located near latitude 29.4 North, longitude 94.9 West. Arthur is=20
    moving erratically toward the northeast near 8 mph (13 km/h). A=20 northeastward to north-northeastward motion should continue through=20
    tonight. On the forecast track, the center of Arthur should move=20
    farther inland over southeastern Texas tonight.

    Maximum sustained winds are now near 40 mph (65 km/h) with higher=20
    gusts. Weakening is expected as the center of Arthur moves farther=20
    inland, and it could dissipate later tonight or early Thursday.
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    Tropical-storm-force winds extend outward up to 175 miles (280 km)=20
    mainly to the southeast of the center. An oil rig well to the=20
    southeast of the center recently reported sustained winds of 38 mph=20
    (61 km/h) at an elevation of 135 ft (41 m).
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    The estimated minimum central pressure is 1000 mb (29.53 inches).
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    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Tropical Storm Arthur can be found in the Tropical
    Cyclone Discussion under AWIPS header MIATCDAT1 and WMO header
    WTNT41 KNHC.
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    RAINFALL: Tropical Storm Arthur is expected to produce rainfall
    totals of 5 to 10 inches, with isolated higher totals near 20
    inches, through early Friday from the Mid and Upper Texas coast
    east-northeast into southern and central portions of Louisiana,
    Mississippi, and Alabama, along with western portions of Georgia and
    the Florida Panhandle. This could generate dangerous to
    life-threatening flash flooding.
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    For a complete depiction of forecast rainfall associated with
    Tropical Storm Arthur, 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.
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    For a list of rainfall observations (and wind reports) associated
    with Tropical Storm Arthur, see the companion storm summary at
    WBCSCCNS1 with the WMO header ACUS44 KWBC or at the following link: https://urldefense.com/v3/__http://www.wpc.ncep.noaa.gov/discussions/nfdscc= 1.html__;!!DZ3fjg!4KWEBmdKl0UMl_QtG985gHo09fElVtfdGg8Yzp105Au6_qL04qFT4cIc2= m_6s227XfBIN2ppi6ql-qHWCkjTg7FAZug$ .
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    WIND: Tropical storm conditions are expected within the warning area
    during the next few hours.
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    STORM SURGE: The combination of a dangerous storm surge and the
    tide will cause normally dry areas near the coast to be flooded by
    rising waters moving inland from the shoreline. The water could
    reach the following heights above ground somewhere in the indicated
    areas if the peak surge occurs at the time of high tide...
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    Matagorda, TX to the Mouth of the Mississippi River, LA...1-3 ft
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    The deepest water will occur along the immediate coast near and to
    the east of the landfall location, where the surge will be
    accompanied by large and dangerous waves. Surge-related flooding
    depends on the relative timing of the surge and the tidal cycle,
    and can vary greatly over short distances. For information
    specific to your area, please see products issued by your local
    National Weather Service forecast office.
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    For a complete depiction of areas at risk of storm surge inundation,
    please see the National Weather Service Peak Storm Surge Graphic,
    available at hurricanes.gov/graphics_at1.shtml?peakSurge.
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    SURF: Swells generated by Arthur are likely to cause
    life-threatening surf and rip current conditions along the
    northwestern Gulf Coast for the next day or two. Please consult
    products from your local weather office.
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    A depiction of rip current risk for the United States can be found
    at: hurricanes.gov/graphics_at1.shtml?ripCurrents
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    TORNADO: A few tornadoes are possible late tonight across southeast
    Louisiana and southern Mississippi, and tomorrow into parts of
    Alabama, Georgia, and the Florida Panhandle.
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    NEXT ADVISORY
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    Next complete advisory at 1000 PM CDT.
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    $$
    Forecaster Beven
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