[Tropical] Hurricane Local Statement

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WTUS84 KEWX 271524
HLSEWX
TXZ173-189>194-205>209-220>225-272330-

Tropical Storm Harvey Local Statement Advisory Number 29
National Weather Service Austin/San Antonio TX  AL092017
1024 AM CDT Sun Aug 27 2017

This product covers SOUTH CENTRAL TEXAS

**Tropical storm Harvey continues to bring life-threatening and
 catastrophic heavy rainfall east of I-35 and I-37**

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

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Atascosa, Bastrop,
      Bexar, Caldwell, Comal, De Witt, Fayette, Gonzales, Guadalupe,
      Hays, Karnes, Lavaca, and Wilson

* STORM INFORMATION:
    - About 90 miles south-southeast of Austin TX or about 10 miles
      southwest of Cuero TX
    - 29.0N 97.4W
    - Storm Intensity 40 mph
    - Movement South-southeast or 160 degrees at 2 mph

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

The center of Harvey has moved very little over the last 6 hours.
Currently, the center of the circulation is located in southwestern
DeWitt County and is moving to the south-southeast at 2 mph.

Our life-threatening flood event has begun east of the I-35 corridor
and Flash Flood Warnings have been issued. Over a foot of rain has
fallen over the last 48 hours from Bastrop and Caldwell counties
southeast to Bay City. Multiple water rescues, road closures, evacuated
homes, and stalled vehicles have been reported across both Bastrop and
Caldwell Counties.

Additional rainfall totals of 10-15 inches with isolated areas of
20+ inches are still anticipated in these areas which will likely
worsen the flooding in these already impacted areas. Across Travis
County, including the city of Austin, two to eight inches of rain has
fallen in the last 48 hours with an additional four to eight
anticipated through Wednesday. The city of San Antonio has been
bisected by the heavy rainfall, being on the western extent of the rain
shield. Eastern areas have seen a little over three inches of rainfall
where western areas have seen less than an inch. Two to four inches of
additional rainfall is forecast for the city through Wednesday.

Winds will gust to 40-50 mph today in the area under the tropical
storm warning. Elsewhere wind gusts will be 30-40 mph.

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

* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across the
area east of I-35 and I-37. Remain well guarded against life-
threatening flood waters having additional devastating impacts. If
realized, these impacts include:
    - Extreme rainfall flooding may prompt numerous evacuations and
      rescues.
    - Rivers and tributaries may overwhelmingly overflow their banks
      in many places with deep moving water. Small streams, creeks,
      canals, arroyos, and ditches may become raging rivers. In
      mountain areas, deadly runoff may rage down valleys while
      increasing susceptibility to rockslides and mudslides. Flood
      control systems and barriers may become stressed.
    - Flood waters can enter numerous structures within multiple
      communities, some structures becoming uninhabitable or washed
      away. Numerous places where flood waters may cover escape
      routes. Streets and parking lots become rivers of raging water
      with underpasses submerged. Driving conditions become very
      dangerous. Numerous road and bridge closures with some weakened
      or washed out.

Elsewhere across SOUTH CENTRAL TEXAS, minor impacts are anticipated
along I-35 from San Antonio to Austin.

* WIND:
Potential impacts from the main wind event are now unfolding across the
area under the tropical storm warning. Remain well sheltered from
hazardous wind having additional limited impacts. If realized, these
impacts include:
    - Damage to porches, awnings, carports, sheds, and unanchored
      mobile homes. Unsecured lightweight objects blown about.
    - Many large tree limbs broken off. A few trees snapped or
      uprooted, but with greater numbers in places where trees are
      shallow rooted. Some fences and roadway signs blown over.
    - A few roads impassable from debris, particularly within urban
      or heavily wooded places. Hazardous driving conditions on
      bridges and other elevated roadways.
    - Scattered power and communications outages.

Elsewhere across SOUTH CENTRAL TEXAS, little to no impact is
anticipated.

* TORNADOES:
Potential impacts from tornadoes are still unfolding across the area
east of Hwy 77. Remain well braced against a tornado event having
possible limited impacts. If realized, these impacts include:
    - The occurrence of isolated tornadoes can hinder the execution
      of emergency plans during tropical events.
    - A few places may experience tornado damage, along with power
      and communications disruptions.
    - Locations could realize roofs peeled off buildings, chimneys
      toppled, mobile homes pushed off foundations or overturned,
      large tree tops and branches snapped off, shallow-rooted trees
      knocked over, moving vehicles blown off roads, and small boats
      pulled from moorings.

Elsewhere across SOUTH CENTRAL TEXAS, little to no impact is
anticipated.

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

* OTHER PREPAREDNESS INFORMATION:
Now is the time to remain safely sheltered from the storm. Stay inside
and away from windows. Listen for updates and be ready in case you
lose electrical power. Locate your battery powered radio and flashlight
from your Emergency Supplies Kit. Keep these items close.

Continue to keep your cell phone well charged for as long as possible.
If you lose power, use it more sparingly and mainly for personal
emergencies and check-ins. Do not overload communications systems with
idle chatter.

Do not be a thrill seeker or risk your life for senseless photos or
videos. Be wise and avoid becoming another statistic.

Be ready to move to the identified safe room if your home or shelter
begins to fail. Quickly move to an interior room on the lowest floor.
Put as many sturdy walls between you and the storm as you can.
Protect your head and body.

* 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 Austin/San Antonio TX around 1 PM CDT, or sooner if
conditions warrant.

$$
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