[Tropical] Hurricane Local Statement
EMWIN Server
emwin at nashvilleweather.net
Sat Aug 26 01:23:58 CDT 2017
WTUS84 KCRP 260623
HLSCRP
TXZ229>234-239>247-261430-
Hurricane Harvey Local Statement Intermediate Advisory Number 23A
National Weather Service Corpus Christi TX AL092017
123 AM CDT Sat Aug 26 2017
This product covers SOUTH TEXAS
**Dangerous Major Hurricane Harvey continues to batter South Texas**
NEW INFORMATION
---------------
* CHANGES TO WATCHES AND WARNINGS:
- None
* CURRENT WATCHES AND WARNINGS:
- A Storm Surge Warning, Hurricane Warning, and Tropical Storm
Warning are in effect for Victoria
- A Storm Surge Warning and Hurricane Warning are in effect for
Aransas, Calhoun, Kleberg, Nueces, Refugio, and San Patricio
- A Tropical Storm Warning is in effect for Duval and McMullen
- A Hurricane Warning and Tropical Storm Warning are in effect
for Bee, Goliad, Jim Wells, and Live Oak
* STORM INFORMATION:
- About 30 miles north of Port Aransas TX or about 40 miles
west-southwest of Port Oconnor TX
- 28.2N 97.0W
- Storm Intensity 125 mph
- Movement Northwest or 325 degrees at 6 mph
SITUATION OVERVIEW
------------------
Dangerous Hurricane Harvey has slightly weakened to a Category
3 storm. Harvey is still a major hurricane. Harvey has made a second
landfall on the northeastern shore of Copano Bay. Maximum sustained
winds are now 125 mph with higher gusts. Hurricane force winds will
continue to batter the eastern half of South Texas generally east of
Highway 281 through at least noon Saturday. Communities of Aransas
Pass, Austwell, Bayside, Berclair, Fulton, Goliad, Gregory, McFaddin,
Port Aransas, Refugio, Rockport, Seadrift, Tivoli, and Woodsboro will
experience the strongest winds from Harvey. Catastrophic impacts will
occur in these communities as the dangerous eyewall impacts these areas
directly. Widespread extensive damage will occur elsewhere across the
eastern half of South Texas as hurricane force wind gusts persist
through at least Saturday morning. Structural damage will occur to
sturdy buildings, some with complete roof and wall failures. Numerous
large trees will be snapped or uprooted. Driving is not recommended
as many roads may be impassable and too dangerous to cross given the
very strong winds.
Catastrophic flooding is expected due to heavy rainfall and storm
surge. Heavy rainfall is expected through much of the area with
rainfall totals of 20 to 30 inches with maximum amounts near 40 inches
near and east of a line from near Port Aransas to near Goliad. Outside
that area, amounts of 10 to 20 inches are expected from east of a
Loyola Beach to George West line. Lesser amounts are expected further
west and southwest. These high rainfall amounts will produce
catastrophic and life threatening flash flooding. The heaviest rains
are expected to occur from tonight through Sunday morning, and quite
possibly into early next week depending on how long Harvey remains
over the area.
Peak storm surge inundation is expected to be 9 to 13 feet above
ground level from Port Aransas to Port O'Connor. South of Port
Aransas, storm surge is expected to be 4 to 8 feet above ground level.
Impacts would be felt along the Barrier Islands and into the inland
bays and waterways.
Tornadoes and waterspouts will be possible as inner and outer
rainbands move onshore through Saturday. The greatest threat for
isolated tornadoes will be along and to the east of the center of
Harvey.
Mandatory evacuations have been issued for the following areas:
- Port Aransas
- Aransas County
- Refugio County
- San Patricio County
- Victoria County
- Calhoun County
- Eastern Kleberg County (Baffin Bay, Loyola Beach and Rivera Beach
and areas east)
POTENTIAL IMPACTS
-----------------
* WIND:
Potential impacts from the main wind event are now unfolding across
the Coastal Bend and Victoria Crossroads area. Remain well sheltered from
life-threatening wind having additional devastating impacts. If realized,
these impacts include:
- Structural damage to sturdy buildings, some with complete roof
and wall failures. Complete destruction of mobile homes. Damage
greatly accentuated by large airborne projectiles. Locations
may be uninhabitable for weeks or months.
- Numerous large trees snapped or uprooted along with fences and
roadway signs blown over.
- Many roads impassable from large debris, and more within urban
or heavily wooded places. Many bridges, causeways, and access
routes impassable.
- Widespread power and communications outages.
Potential impacts from the main wind event are also now unfolding
across areas of South Texas generally west of Interstate 37. Remain well
sheltered from life-threatening wind having additional limited to
extensive impacts.
* SURGE:
Potential impacts from the main surge event are now unfolding across
the Middle Texas Coast. Remain well away from life-threatening
surge having additional devastating impacts. If realized, these
impacts include:
- Widespread deep inundation, with storm surge flooding greatly
accentuated by powerful battering waves. Structural damage to
buildings, with many washing away. Damage greatly compounded
from considerable floating debris. Locations may be
uninhabitable for an extended period.
- Near-shore escape routes and secondary roads washed out or
severely flooded. Flood control systems and barriers may become
stressed.
- Extreme beach erosion. New shoreline cuts possible.
- Massive damage to marinas, docks, boardwalks, and piers.
Numerous small craft broken away from moorings with many lifted
onshore and stranded.
* FLOODING RAIN:
Potential impacts from the flooding rain are still unfolding across
the Coastal Bend and Victoria Crossroads area, generally east of
Interstate 37. Remain well guarded against life-threatening flood
waters having possible catastrophic 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, and ditches may become raging rivers. 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.
Remain well guarded against life-threatening flood waters having possible
limited to devastating impacts.
* TORNADOES:
Potential impacts from tornadoes are still unfolding across an area
generally east of a line from Corpus Christi to Beeville. 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 TEXAS, little to no impact is anticipated.
PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------
* EVACUATIONS:
IMMINENT/ONGOING PHASE - Do not return to evacuated areas until
hazardous winds diminish and flood waters abate.
* 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.
When major hurricanes make landfall, extreme winds bring a tremendous
threat to life and cause devastating to catastrophic damage. During
landfall, listen for extreme wind warnings which indicate the exact
timing and location of these incredible life-threatening winds. If
issued for you area, move to the safest place within your home or
shelter. Take the same life-saving actions as if it were a violent
tornado.
* 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 Corpus Christi TX around 430 AM CDT, or sooner if
conditions warrant.
$$
MB
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