[Tropical] Hurricane Local Statement

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Tropical Storm Nicholas Local Statement Advisory Number 1
National Weather Service Brownsville TX  AL142021
1038 AM CDT Sun Sep 12 2021

This product covers The Rio Grande Valley and Deep South Texas

**TROPICAL STORM NICHOLAS FORMS IN THE SOUTHWESTERN GULF OF MEXICO**

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

* CHANGES TO WATCHES AND WARNINGS:
    - A Tropical Storm Warning and Storm Surge Watch have been issued
      for Coastal Cameron, Coastal Kenedy, and Coastal Willacy

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning and Storm Surge Watch are in effect
      for Coastal Cameron, Coastal Kenedy, and Coastal Willacy

* STORM INFORMATION:
    - About 410 miles south-southeast of Brownsville TX or about 450
      miles south-southeast of Port Mansfield TX
    - 20.5N 94.8W
    - Storm Intensity 40 mph
    - Movement North-northwest or 330 degrees at 13 mph

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

At 1000 AM CDT, the center of Tropical Storm Nicholas was located by
reconnaissance aircraft across the Bay of Campeche. Nicholas is moving
toward the north-northwest near 13 mph, and this general motion is
expected to continue through tonight. A slower northward or north-
northeastward motion is forecast by late Monday or Monday night. The
center of Nicholas will pass near or just offshore the lower Texas
coast late Monday, and approach the south or central Texas coast Monday
night or early Tuesday.

The biggest impact expected across Deep South Texas is the potential
for flooding rains this evening into Tuesday morning. A Flash Flood
Watch has been issued.

Tropical Storm force wind gusts are possible Monday afternoon into
early Monday night across the lower Texas coast, including South Padre
Island and Boca Chica.

Storm surge is expected to peak Monday night into Tuesday morning,
especially near high tide. Coastal flooding and beach erosion is
possible.


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

* FLOODING RAIN:
Protect against dangerous rainfall flooding having possible significant
impacts across coastal to central portions of Deep South Texas.
Potential impacts include:
    - Moderate rainfall flooding may prompt several evacuations and
      rescues.
    - Rivers and tributaries may quickly become swollen with swift
      currents and overspill their banks in a few places, especially
      in usually vulnerable spots. Small streams, creeks, canals,
      arroyos, and ditches overflow.
    - Flood waters can enter some structures or weaken foundations.
      Several places may experience expanded areas of rapid
      inundation at underpasses, low-lying spots, and poor drainage
      areas. Some streets and parking lots take on moving water as
      storm drains and retention ponds overflow. Driving conditions
      become hazardous. Some road and bridge closures.

Protect against locally hazardous rainfall flooding having possible
limited impacts across western portions of Deep South Texas.

* WIND:
Protect against dangerous wind having possible significant impacts
across South Padre Island. 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 and access routes
      impassable.
    - Scattered power and communications outages, but more prevalent
      in areas with above ground lines.

Also, protect against hazardous wind having possible limited impacts
across coastal portions of Deep South Texas inland to near I69C.

* SURGE:
Protect against life-threatening surge having possible significant
impacts across the lower 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. Exposed parking lots become overspread with surge water.
    - Major beach erosion with heavy surf breaching dunes. New
      shoreline cuts possible. Strong and numerous rip currents.
    - Moderate damage to marinas, docks, boardwalks, and piers.
      Several small craft broken away from moorings, especially in
      unprotected anchorages.

Also, protect against locally hazardous surge having possible limited
impacts across inland areas along the Laguna Madre.

Elsewhere across The Rio Grande Valley and Deep South Texas, little
to no impact is anticipated.

* TORNADOES:
Little to no impacts are anticipated at this time across The Rio
Grande Valley and Deep South Texas.

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

* EVACUATIONS:

Listen to local official for recommended preparedness actions,
including possible evacuation. If ordered to evacuate, do so
immediately.

* OTHER PREPAREDNESS INFORMATION:

Now is the time to complete all preparations to protect life and
property in accordance with your emergency plan. Ensure you are in a
safe location before the onset of strong winds or possible flooding.

Keep cell phones well charged. Cell phone chargers for automobiles can
be helpful, but be aware of your risk for deadly carbon monoxide
poisoning if your car is left idling in a garage or other poorly
ventilated area.

It is important to remain calm, informed, and focused during an
emergency. Be patient and helpful with those you encounter.

Be sure to know the name of the city or town in which you are in and
the name of the county in which it resides. Listen for these locations
in local news updates. Pay attention for instructions from local
authorities.

Storm surge is the leading killer associated with tropical storms and
hurricanes! Make sure you are in a safe area away from the surge
zone. Even if you are not in a surge-prone area, you could find
yourself cutoff by flood waters during and after the storm. Heed
evacuation orders issued by the local authorities.

Rapidly rising flood waters are deadly. If you are in a flood-prone
area, consider moving to higher ground. Never drive through a flooded
roadway. Remember, turn around don't drown!

If in a place that is vulnerable to high wind, such as near large
trees, a manufactured home, upper floors of a high-rise building, or on
a boat, consider moving to a safer shelter before the onset of strong
winds or flooding.

Closely monitor weather.gov, NOAA Weather radio or local news outlets
for official storm information. Be ready to adapt to possible changes
to the forecast. Ensure you have multiple ways to receive weather
warnings.

* 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 Brownsville TX around 4 PM CDT, or sooner if conditions
warrant.

$$

Hallman
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