000
WTUS84 KCRP 211509
HLSCRP
TXZ229>234-239>247-342>347-442-443-447-212315-
Potential Tropical Cyclone Nine Local Statement Advisory Number 1
National Weather Service Corpus Christi TX AL092023
1009 AM CDT Mon Aug 21 2023
This product covers South Texas
**TROPICAL STORM WARNING ISSUED FOR PORTIONS OF SOUTH TEXAS**
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- A Tropical Storm Warning has been issued for Aransas Islands,
Bee, Calhoun Islands, Coastal Aransas, Coastal Calhoun, Coastal
Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio,
Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio,
Inland San Patricio, Jim Wells, Kleberg Islands, Live Oak, and
Nueces Islands
* CURRENT WATCHES AND WARNINGS:
- A Tropical Storm Warning is in effect for Aransas Islands, Bee,
Calhoun Islands, Coastal Aransas, Coastal Calhoun, Coastal
Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio,
Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio,
Inland San Patricio, Jim Wells, Kleberg Islands, Live Oak, and
Nueces Islands
* STORM INFORMATION:
- About 500 miles east-southeast of Corpus Christi TX
- 25.0N 89.9W
- Storm Intensity 30 mph
- Movement West or 275 degrees at 16 mph
SITUATION OVERVIEW
------------------
An area of low pressure over the central Gulf of Mexico is expected to
strengthen today into a tropical depression as it moves westward. The
low pressure area has been designated Potential Tropical Cyclone Nine.
This system is expected to become a tropical storm before making
landfall on the south Texas coast south of Baffin Bay Tuesday morning.
Rain bands and tropical storm force wind gusts are expected to reach
the Middle Texas coastal waters this evening and the coastal region of
the Middle Texas coast during the overnight hours tonight. Moderate
coastal flooding is expected Tuesday over the Middle Texas coast along
with a high risk of rip currents. Isolated tornadoes could occur
within the rain bands moving across south Texas from early Tuesday
morning into the afternoon hours.
POTENTIAL IMPACTS
-----------------
* FLOODING RAIN:
Protect against dangerous rainfall flooding having possible
significant impacts across the southern Coastal Bend and southern Brush
Countgry of 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, 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 northern portions of the Coastal Bend and Brush
Country.
* TORNADOES:
Protect against a tornado event having possible limited impacts
across South Texas. Potential 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.
* SURGE:
Protect against locally hazardous surge having possible limited
impacts across Middle 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.
* WIND:
Protect against hazardous wind having possible limited impacts across
South Texas. Potential impacts in this area 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 Texas, little to no impact is anticipated.
PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------
* EVACUATIONS:
Assess the risk from wind, falling trees, and flooding at your location. If
you decide to move, relocate to a safer location nearby. If you do
not relocate, help keep roadways open for those under evacuation
orders.
* OTHER PREPAREDNESS INFORMATION:
If a Tornado Warning is issued for your area, be ready to shelter
quickly, preferably away from windows and in an interior room not
prone to flooding. If driving, scan the roadside for quick shelter
options.
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 Texas evacuation routes, see
txdot.gov/driver/weather/hurricane.html
- For information on creating emergency kits, see texasready.gov
- For state assistance in an emergency event,
tdem.texas.gov/response/state-of-texas-emergency-assistance-registry
- For information on registering for emergency notifications in your
area visit the websites below...
- Corpus Christi and Nueces County: cctexas.com/reversealert
- San Patricio, Aransas, and Refugio County: coastalplainlepc.org
- Victoria County: vctx.org/page/oem.home
- Calhoun County: www.calhouncotx.org
NEXT UPDATE
-----------
The next local statement will be issued by the National Weather
Service in Corpus Christi TX around 4 PM CDT, or sooner if conditions
warrant.
$$
TMT