[Tropical] Hurricane Local Statement

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Tropical Storm Nicholas Local Statement Intermediate Advisory Number 9A
National Weather Service Houston/Galveston TX  AL142021
732 AM CDT Tue Sep 14 2021

This product covers Southeast Texas

**NICHOLAS MOVING SLOWLY TOWARD THE HOUSTON METROPOLITAN AREA**

NEW INFORMATION
---------------

* CHANGES TO WATCHES AND WARNINGS:
    - The Storm Surge Warning and Tropical Storm Warning have been
      cancelled for Brazoria Islands and Coastal Brazoria
    - The Tropical Storm Warning has been cancelled for Coastal
      Matagorda, Fort Bend, Inland Brazoria, Inland Matagorda,
      Matagorda Islands, and Wharton

* CURRENT WATCHES AND WARNINGS:
    - A Storm Surge Warning and Tropical Storm Warning are in effect
      for Bolivar Peninsula, Chambers, Coastal Galveston, Coastal
      Harris, and Galveston Island
    - A Tropical Storm Warning is in effect for Inland Galveston,
      Inland Harris, Northern Liberty, and Southern Liberty

* STORM INFORMATION:
    - About 50 miles west-northwest of Galveston TX or about 20 miles
      south-southwest of Houston TX
    - 29.5N 95.5W
    - Storm Intensity 60 mph
    - Movement North-northeast or 25 degrees at 8 mph

SITUATION OVERVIEW
------------------

Nicholas has made its way to the Houston metro, and its center is now
near Sienna Plantation. The storm is gradually weakening, and because
of this, the tropical storm warning has been canceled for all but
Liberty, Harris, Chambers, and Galveston counties, as well as
Galveston Bay and the coastal waters from Freeport to High Island. The
storm surge warning similarly only remains in effect from San Luis
Pass to High Island as winds become offshore behind the storm's
center.

POTENTIAL IMPACTS
-----------------

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
Coastal Southeast Texas. Remain well guarded against life-threatening
flood waters having additional extensive impacts. If realized, these
impacts include:
    - Major rainfall flooding may prompt many evacuations and rescues.
    - Rivers and tributaries may rapidly overflow their banks in
      multiple places. Small streams, creeks, canals, and ditches may
      become dangerous rivers. Flood control systems and barriers may
      become stressed.
    - Flood waters can enter many structures within multiple
      communities, some structures becoming uninhabitable or washed
      away. Many places where flood waters may cover escape routes.
      Streets and parking lots become rivers of moving water with
      underpasses submerged. Driving conditions become dangerous.
      Many road and bridge closures with some weakened or washed out.

Potential impacts from the flooding rain are still unfolding across
the rest of Southeast Texas. Remain well guarded against dangerous
flood waters having additional limited to significant impacts.

* WIND:
Potential impacts from the main wind event are now unfolding across
the immediate Southeast Texas Coast. Remain well sheltered from
life-threatening wind having additional extensive impacts. If
realized, these impacts include:
    - Considerable roof damage to sturdy buildings, with some having
      window, door, and garage door failures leading to structural
      damage. Mobile homes severely damaged, with some destroyed.
      Damage accentuated by airborne projectiles. Locations may be
      uninhabitable for weeks.
    - Many large trees snapped or uprooted along with fences and
      roadway signs blown over.
    - Some roads impassable from large debris, and more within urban
      or heavily wooded places. Several bridges, causeways, and
      access routes impassable.
    - Large areas with power and communications outages.

Potential impacts from the main wind event are also now unfolding
across the rest of Southeast Texas. Remain well sheltered from
dangerous wind having additional limited to significant impacts.

* SURGE:
Prepare for life-threatening surge having possible significant
impacts along the Southeast Texas Coast. 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.

Elsewhere across Southeast Texas, little to no impact is anticipated.

PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------

* EVACUATIONS:
For those not under evacuation orders, assess the risk from wind,
falling trees, and flooding at your location.

* OTHER PREPAREDNESS INFORMATION:
Do not be a thrill seeker or risk your life for senseless photos or
videos.

If you are prone to flooding or in an area under a storm surge watch
or warning, be prepared for the possibility of a quick and dramatic
rise in water levels.

* 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 Houston/Galveston TX around 10 AM CDT, or sooner if
conditions warrant.

$$
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