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HLSCRP from 8/23/2017 10:29 AM to 6:30 PM CDT for Victoria County, Calhoun County, Goliad County: TROPICAL DEPRESSION HARVEY MOVING TOWARD THE TEXAS COAST.

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This product covers SOUTH TEXAS

TROPICAL DEPRESSION HARVEY MOVING TOWARD THE TEXAS COAST

NEW INFORMATION

  • CHANGES TO WATCHES AND WARNINGS:
  • A Hurricane Watch has been issued for Bee, Goliad, Jim Wells,
    Live Oak, and Victoria
  • A Storm Surge Watch and Hurricane Watch have been issued for
    Aransas, Calhoun, Kleberg, Nueces, Refugio, and San Patricio
  • CURRENT WATCHES AND WARNINGS:

  • A Hurricane Watch is in effect for Bee, Goliad, Jim Wells, Live
    Oak, and Victoria
  • A Storm Surge Watch and Hurricane Watch are in effect for
    Aransas, Calhoun, Kleberg, Nueces, Refugio, and San Patricio

  • STORM INFORMATION:

  • About 520 miles southeast of Port Aransas TX or about 540 miles
    south-southeast of Port Oconnor TX
  • 21.5N 92.5W
  • Storm Intensity 35 mph
  • Movement Northwest or 310 degrees at 9 mph

SITUATION OVERVIEW

Hurricane hunter aircraft have found a closed circulation in what
was the remnants of Harvey, and have found strong enough winds to
categorize Harvey as a tropical depression. Harvey is expected to
continue to strengthen as it approaches the Texas coast Thursday into
Friday. Tropical storm force winds could approach coastal areas in the
Coastal Bend as early as Thursday night or Friday morning.

Heavy rainfall is expected through much of the area with rainfall
totals of 6 to 12 inches possible along the middle Texas coast and
Victoria Crossroads. Lesser amounts are expected further west. These
numbers and locations are subject to change depending on the exact
point of landfall along the Texas coast. Flash flooding is possible
with these high rainfall totals. The heaviest rains will occur
Thursday night through Saturday.

Storm surge inundation of up to 4 to 6 feet is possible along the islands
and into the bays. Isolated locations could see slightly higher inundation.

Tornadoes are possible as rainbands move onshore Thursday night
through Saturday.

POTENTIAL IMPACTS

  • WIND:
    Prepare for dangerous wind having possible significant impacts across
    the Coastal Bend and middle Texas coast. Potential impacts in this area include:
  • Some damage to roofing and siding materials, along with damage
    to porches, awnings, carports, and sheds. A few buildings
    experiencing window, door, and garage door failures. Mobile
    homes damaged, especially if unanchored. Unsecured lightweight
    objects become dangerous projectiles.
  • Several large trees snapped or uprooted, but with greater
    numbers in places where trees are shallow rooted. Several
    fences and roadway signs blown over.
  • Some roads impassable from large debris, and more within urban
    or heavily wooded places. A few bridges, causeways, and access
    routes impassable.
  • Scattered power and communications outages, but more prevalent
    in areas with above ground lines.
  • FLOODING RAIN:
    Prepare for locally hazardous rainfall flooding having possible
    impacts across SOUTH TEXAS. Potential impacts include:

  • Localized rainfall flooding may prompt a few evacuations.
  • Rivers and tributaries may quickly rise with swifter currents.
    Small streams, creeks, canals, and ditches may become swollen
    and overflow in spots.
  • Flood waters can enter a few structures, especially in usually
    vulnerable spots. A few places where rapid ponding of water
    occurs at underpasses, low-lying spots, and poor drainage
    areas. Several storm drains and retention ponds become
    near-full and begin to overflow. Some brief road and bridge
    closures.

  • SURGE:
    Prepare for life-threatening surge having possible significant
    impacts across the middle Texas coast including the barrier islands.
    Potential impacts in this area include:

  • Areas of inundation with storm surge flooding accentuated by
    waves. Damage to several buildings, mainly near the coast.
  • Sections of near-shore escape routes and secondary roads become
    weakened or washed out, especially in usually vulnerable low
    spots.
  • Major beach erosion with heavy surf breaching dunes. Strong and
    numerous rip currents.
  • Moderate damage to marinas, docks, boardwalks, and piers.
    Several small craft broken away from moorings, especially in
    unprotected anchorages.

  • TORNADOES:
    Little to no impacts are anticipated at this time across South Texas.
    Tornado threats are expected to increase Thursday night through Saturday.

  • PRECAUTIONARY/PREPAREDNESS ACTIONS

    • EVACUATIONS:
      If you are exceptionally vulnerable to wind or water hazards from
      tropical systems, consider voluntary evacuation. Relocate to a
      predetermined shelter or safe destination. If evacuating away from
      the area or relocating to a nearby shelter, leave early before
      weather conditions become hazardous.

    • OTHER PREPAREDNESS INFORMATION:
      Now is the time to check your emergency plan and take necessary
      actions to secure your home or business. Deliberate efforts should be
      underway to protect life and property. Ensure that your Emergency
      Supplies Kit is stocked and ready.

    If you live in a place particularly vulnerable to flooding, such as
    near the ocean or a large inland lake, in a low lying or poor
    drainage area, in a valley or canyon, or near an already swollen
    river, plan to move to safe shelter on higher ground

    Always heed the advice of local officials and comply with any orders
    that are issued. Do not needlessly jeopardize your life or the lives
    of others.

    Closely monitor NOAA Weather Radio or other local news outlets for
    official storm information. Listen for possible changes to the
    forecast.

    • ADDITIONAL SOURCES OF INFORMATION:
    • For information on appropriate preparations see ready.gov
    • For information on creating an emergency plan see getagameplan.org
    • For additional disaster preparedness information see redcross.org

    NEXT UPDATE

    The next local statement will be issued by the National Weather
    Service in Corpus Christi TX around 4 PM, or sooner if conditions warrant.

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