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Blog > Emergency Efforts > Sunday Hurricane Harvey Updates

Sunday Hurricane Harvey Updates

(Photo:Shutterstock/NASA images)

7pm

 

Catastrophic and life-threatening flooding continues in southeastern Texas, and flash flood emergencies are in effect for portions of this area.
Please see warnings and other products issued by your local National Weather Service office for additional information on this life-threatening situation.

For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office.

The center of Tropical Storm Harvey was located inland near latitude 28.9 North, longitude 96.8 West. Harvey
is moving toward the southeast near 3 mph (4 km/h), and a slow southeastward motion is expected over the next couple of days. On
the forecast track, the center of Harvey is forecast to move off the middle Texas coast on Monday and meander just offshore through
Monday night.

Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Little change in strength is forecast during the next 24
hours. Some slight restrengthening is possible after the center moves off the coast on Monday night and Tuesday.

Tropical-storm-force winds extend outward up to 140 miles (220 km) primarily over water to the east of the center.

The estimated minimum central pressure is 1000 mb (29.53 inches).

HAZARDS AFFECTING LAND
----------------------
RAINFALL: Harvey is expected to produce additional rainfall
accumulations of 15 to 25 inches through Friday over the upper Texas
coast and into southwestern Louisiana. Isolated storm totals may
reach 50 inches over the upper Texas coast, including the Houston/
Galveston metropolitan area. These rains are currently producing
catastrophic and life-threatening flooding, and flash flood
emergencies are in effect for portions of southeastern Texas.
DO NOT ATTEMPT TO TRAVEL IN THE AFFECTED AREA IF YOU ARE IN A SAFE
PLACE. DO NOT DRIVE INTO FLOODED ROADWAYS. Please see warnings and
products issued by your local National Weather Service office for
additional information on this life-threatening situation.

Elsewhere, Harvey is expected to produce total rain accumulations of
5 to 15 inches farther south into the middle Texas coast, farther
west toward the Texas Hill Country, and farther east across south-
central Louisiana.

A list of rainfall observations compiled by the NOAA Weather
Prediction Center
.

STORM SURGE: The combination of a dangerous storm surge and the
tide will cause normally dry areas near the coast to be flooded by
rising waters moving inland from the shoreline. The water is
expected to reach the following heights above ground if the peak
surge occurs at the time of high tide...

Port Aransas to Morgan City including Galveston Bay...1 to 3 ft

The deepest water will occur along the immediate coast near the
area of onshore winds. Surge-related flooding depends on the
relative timing of the surge and the tidal cycle, and can vary
greatly over short distances. For information specific to your
area, please see products issued by your local National Weather
Service forecast office.

WIND: Tropical storm conditions are occurring in an area near the
center of Harvey and in portions of the tropical storm warning area
along the coast. Tropical storm conditions are likely to persist in
areas of onshore flow within the warning area during the next day or
so. Tropical storm conditions are possible within the watch area by
Monday night.

SURF: Swells generated by Harvey are affecting the coasts of Texas
and Louisiana. These swells are likely to cause life-threatening
surf and rip current conditions. Please consult products from your
local weather office.

TORNADOES: A few tornadoes are possible through Monday near the
upper Texas coast and into far southwest Louisiana.

4pm

The center of Harvey has moved very little over the last 6 hours. Currently, the center of the circulation is located near Victoria. Thecenter is moving toward the southeast at 2 mph.

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

Additional rainfall totals of 8-12 inches with isolated areas of 15 inches are still anticipated in these areas. This will worsen the
flooding in these already impacted areas. Across Travis County, including the city of Austin an additional 3-6 inches of rain is
anticipated through Wednesday. The western part of the San Antonio metro area can expect an additional 1-3 inches through Wednesday. We
expect around half of this rain over the next 24 hours.

Winds will gust to 40-50 mph today in the area under the tropical storm warning tonight. 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 havingpossible 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

1pm

Catastrophic and life-threatening flooding is occurring in southeastern Texas, and flash flood emergencies are in effect for portions of this area.

Harvey is expected to produce additional rainfall accumulations of 15 to 25 inches through Friday over the middle and upper Texas coast, including the Houston/Galveston metropolitan area. Isolated storm totals may reach 50 inches in this region.

These rains are currently producing catastrophic and life-threatening flooding, and flash flood emergencies are in effect for portions of southeastern Texas. DO NOT ATTEMPT TO TRAVEL IN THE AFFECTED AREA IF YOU ARE IN A SAFE PLACE. DO NOT DRIVE INTO FLOODED ROADWAYS.  Please see warnings and other products issued by your
local National Weather Service office for additional information on this dire and life-threatening situation.

Elsewhere, Harvey is expected to produce additional rainfall accumulations of 15 to 25 inches through Friday over the middle and upper Texas coast, including the Houston/Galveston metropolitan area. Isolated storm totals may reach 50 inches in this region.

These rains are currently producing catastrophic and life-threatening flooding, and flash flood emergencies are in effect for portions of southeastern Texas. DO NOT ATTEMPT TO TRAVEL IN THE AFFECTED AREA IF YOU ARE IN A SAFE PLACE. DO NOT DRIVE INTO FLOODED ROADWAYS.  Please see warnings and other products issued by your
local National Weather Service office for additional information on this dire and life-threatening situation.

Elsewhere, Harvey is expected to produce total rain accumulations of 5 to 15 inches farther south toward the lower Texas coast, farther west toward the Texas Hill Country, and farther east through southwest and central Louisiana.

A list of rainfall observations compiled by the NOAA Weather Prediction Center.

12pm

A Tropical Storm Warning is in effect for Atascosa, Bastrop, Bexar, Caldwell, Comal, De Witt, Fayette, Gonzales, Guadalupe, Hays, Karnes, Lavaca, and Wilson.

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.

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.

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.

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.

10am 

Tropical storm Harvey is slowly weakening, according to meteorologists, but confidence in the storm moving on anytime soon is very low. Rains brought in by harvey continue to blanket the area and regional officials are still concerned with the active flooding of roads. Heavy rains are expected in and around the Austin Round Rock Metro.

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