[Tropical] Hurricane Local Statement

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Tropical Storm Hanna Local Statement Advisory Number 5
National Weather Service Brownsville TX  AL082020
1020 PM CDT Thu Jul 23 2020

This product covers The Rio Grande Valley and Deep South Texas

**NOAA HURRICANE HUNTERS FIND THAT THE GULF DEPRESSION HAS
STRENGTHENED INTO TROPICAL STORM HANNA**

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

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Brooks, Coastal
      Cameron, Coastal Kenedy, Coastal Willacy, Inland Kenedy, Inland
      Willacy, Jim Hogg, and Northern Hidalgo

* STORM INFORMATION:
    - About 360 miles east of South Padre Island TX or about 370
      miles east of Port Mansfield TX
    - 26.2N 91.4W
    - Storm Intensity 40 mph
    - Movement West-northwest or 285 degrees at 7 mph

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

Tropical Storm Hanna has developed as the tropical cyclone has shown
an increase in convection and improved structure this evening with
reconnaissance aircraft confirming maximum sustained winds in excess
of 39 mph. A gradual strengthening trend is expected up until landfall
on Saturday along the lower to middle Texas coast. After landfall,
Tropical Storm Hanna is expected to begin a west- southwestward motion
towards the Rio Grande river. The primary impact from Tropical Storm
Hanna across Deep South Texas will be heavy rainfall Friday through
Sunday where rainfall amounts of 2 to 6 inches with locally higher
amounts are to be expected. Additionally, tropical storm force winds
within stronger rainbands could be possible, especially over the
northern ranchlands and along the lower Texas coast. Minor coastal
flooding will also be possible with 1 to 2 feet of inundation for the
coastal areas and the bays.

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

* FLOODING RAIN:
Protect against dangerous rainfall flooding having possible
significant impacts across The Rio Grande Valley and Deep South
Texas. Potential impacts include:
    - Moderate rainfall flooding may prompt several evacuations and
      rescues.
    - Rivers and tributaries may quickly become swollen with swifter
      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.

* WIND:
Protect against dangerous wind having possible significant impacts
across the northern ranchlands. 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.

Also, protect against hazardous wind having possible limited impacts
along the Rio Grande River.

* SURGE:
Protect against locally hazardous surge having possible limited impacts
across the lower Texas coast. Potential impacts in this area include:
    - Localized inundation with storm surge flooding mainly along
      immediate shorelines and in low-lying spots, or in areas
      farther inland near where higher surge waters move ashore.
    - Sections of near-shore roads and parking lots become overspread
      with surge water. Driving conditions dangerous in places where
      surge water covers the road.
    - Moderate beach erosion. Heavy surf also breaching dunes, mainly
      in usually vulnerable locations. Strong rip currents.
    - Minor to locally moderate damage to marinas, docks, boardwalks,
      and piers. A few small craft broken away from moorings.

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

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.

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 AM CDT, or sooner if conditions
warrant.

$$
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