• ADVISORY: Hurricane Erin Intermediate Advisory Number 33a

    From COD Weather Processor@1:2320/105 to wx-atlan@lists.illinois.edu on Tuesday, August 19, 2025 17:37:20
    423
    WTNT35 KNHC 191737
    TCPAT5

    BULLETIN
    Hurricane Erin Intermediate Advisory Number 33A
    NWS National Hurricane Center Miami FL AL052025
    200 PM EDT Tue Aug 19 2025

    ...LARGE HURRICANE ERIN NOW MOVING NORTH-NORTHWESTWARD...
    ...LIFE-THREATENING RIP CURRENTS EXPECTED ALONG U.S. EAST COAST
    BEACHES...


    SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ----------------------------------------------
    LOCATION...26.1N 72.5W
    ABOUT 630 MI...1015 KM SW OF BERMUDA
    ABOUT 655 MI...1050 KM SSE OF CAPE HATTERAS NORTH CAROLINA
    MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
    PRESENT MOVEMENT...NNW OR 330 DEGREES AT 10 MPH...17 KM/H
    MINIMUM CENTRAL PRESSURE...958 MB...28.29 INCHES


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

    The government of the Bahamas has discontinued the Tropical Storm
    Warning for the Turks and Caicos Islands and for the Southeast
    Bahamas, and has discontinued the Tropical Storm Watch for the
    Central Bahamas.

    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

    A Storm Surge Warning is in effect for...
    * Cape Lookout to Duck, North Carolina

    A Tropical Storm Warning is in effect for...
    * Beaufort Inlet to Duck, North Carolina

    A Tropical Storm Watch is in effect for...
    * North of Duck, North Carolina to Cape Charles Light, Virginia

    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere within the warning area within the next 36 hours.

    A Tropical Storm Watch means that tropical storm conditions are
    possible within the watch area, generally within 48 hours.

    A Storm Surge Warning means there is a danger of life-threatening
    inundation, from rising water moving inland from the coastline,
    during the next 36 hours in the indicated locations. For a depiction
    of areas at risk, please see the National Weather Service Storm
    Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas
    should take all necessary actions to protect life and property from
    rising water and the potential for other dangerous conditions.
    Promptly follow evacuation and other instructions from local
    officials.

    Interests in Bermuda, the U.S Mid-Atlantic coast, and the southern
    New England coast should monitor the progress of Erin.

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


    DISCUSSION AND OUTLOOK
    ----------------------
    At 200 PM EDT (1800 UTC), the center of Hurricane Erin was located
    near latitude 26.1 North, longitude 72.5 West. Erin is moving
    toward the north-northwest near 10 mph (17 km/h). This motion with
    an increase in forward speed is expected through tonight followed by
    a northward motion on Wednesday and then a northeastward motion on
    Thursday. On the forecast track, the center of Erin will pass to
    the east of the Bahamas today and tonight, and then move over the
    western Atlantic between the U.S. east coast and Bermuda on
    Wednesday and Thursday.

    Maximum sustained winds are near 105 mph (165 km/h) with higher
    gusts. Fluctuations in strength are possible over the next few
    days.

    Erin is a large hurricane. Hurricane-force winds extend outward up
    to 80 miles (130 km) from the center and tropical-storm-force winds
    extend outward up to 230 miles (370 km).

    The minimum central pressure estimated from Air Force Hurricane
    Hunter observations is 958 mb (28.29 inches).


    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Erin can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDAT5 and WMO header WTNT45 KNHC.

    RAINFALL: Outer bands of Erin will produce localized areas of heavy
    rainfall across portions of the Turks and Caicos today and through
    tonight for the Bahamas. Additional rainfall of 1 to 3 inches,
    with storm total amounts to 8 inches, are possible, which could lead
    to flash and urban flooding. Heavy rainfall is possible on the
    Outer Banks of North Carolina Wednesday night into Thursday with
    potential for 1 to 2 inches and a local maximum of 4 inches.

    For a complete depiction of forecast rainfall and flash flooding
    associated with Erin, please see the National Weather Service Storm
    Total Rainfall Graphic, available at
    hurricanes.gov/graphics_at5.shtml?rainqpf

    WIND: Tropical storm conditions are expected over portions
    of the North Carolina Outer Banks beginning late Wednesday or
    Wednesday night. Tropical storm conditions are possible in the
    watch area north of Duck, North Carolina to Cape Charles Light
    beginning Thursday.

    SURF: Swells generated by Erin will affect the Bahamas, Bermuda,
    the east coast of the United States, and Atlantic Canada during the
    next several days. These rough ocean conditions are expected to
    cause life-threatening surf and rip currents. Please consult
    products from your local weather forecast office for more
    information.

    A depiction of rip current risk for the United States can be found
    at: hurricanes.gov/graphics_at5.shtml?ripCurrents

    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...

    Cape Lookout to Duck, North Carolina...2 to 4 ft

    The deepest water will occur along the immediate coast 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.

    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_at5.shtml?peakSurge.


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

    $$
    Forecaster Pasch


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