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August 28, 2017
Catastrophic Flooding in Texas
Following Hurricane Harvey


Hurricane Harvey developed last week over the Gulf of Mexico and made landfall in Texas and parts of Louisiana last Friday night as a Category 4 hurricane. Since then, Harvey was re-classified as a tropical storm which heavy rainfalls have caused dramatic damages to some of Texas’ most populous cities including Greater Houston Area, Corpus Christi, San Antonio and Austin. 

Images from the Live Webcam of the San Jacinto Monument only a few days apart.

Some areas have received more than 30 inches of rain since the beginning of the storm. As the rest of the tropical storm passes, another 20 to 30 inches of precipitation is possible. This long-duration flood event has already reached record highs and some waterways have exceeded 500-year flood levels. Water levels in rivers, creeks and bayous throughout Texas are not expected to crest until August 30.

Images from a Live Webcam of I-10 in Houston, Texas.   


Many airports remain closed resulting in thousands of cancelled, delayed or re-routed flights across the U.S. Most airlines are allowing affected travelers to change their travel plans in the short term without the usual change fees and fare differences. Passengers whose flights are canceled can generally cancel their trip without penalty.

Affected airports include:

  • Houston George Bush Intercontinental Airport: Projected reopening 12PM Aug. 31
  • Houston Hobby Airport: Projected reopening 8AM Aug. 30
  • Houston Ellington Airport: Projected reopening 8PM Aug. 30
  • Houston Executive Airport: Projected reopening 11:59PM Aug. 30
  • Conroe-North Houston Regional Airport: Projected reopening 11:59PM Aug. 28
  • NAS Corpus Christi: Projected reopening 5PM Aug. 28
  • David Wayne Hooks Airport: Projected reopening 11AM Aug. 28
  • Jack Brooks Regional Airport: Projected reopening 6PM Aug. 28
  • Port Aransas Mustang Island Airport: Projected reopening 5AM Aug. 29
  • Sugar Land Regional Airport: Projected reopening 11:59PM Aug. 29
  • Victoria Regional Airport (VCT): Closed



  • Contact your airline for information about change fee waivers and cancellations.
  • Contact your travel agent or hotel regarding the current situation at your destination. Inquire about reimbursement or booking modifications if you need to postpone your trip.
  • If you are in Texas currently, shelter in place unless in immediate danger; be prepared to quickly move to higher ground if water levels begin rising.
  • Confirm flights before checking out of hotels or attempting to drive to the airport
  • Collect your important documents and medicine and store them in a waterproof container
  • Follow the orders of local authorities and listen to your hotel’s management team directions.
  • If staying in a house, do not take shelter in attics unless you have a way of escaping to the roof.
  • Never drive where water obscures the road surface; it can be impossible to determine the water's depth.
  • Take precautions to avoid mosquito bites; the threat from insect-borne disease will increase as waters recede.



Google released a crisis map which shows active advisories and warnings, along with shelters that are still open or that have reached their capacity.


National Weather Service (Houston) 
Houston Emergency Operations Center
High Water Locations 
Texas Road Conditions
Google Crisis Map 
US Coast Guard emergency telephone numbers: 281-464-4851; 281-464-4852; 281-464-4853; 281-464-4854; 281-464-4855

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The content of this edition of AssistAlert is for informational purposes only and is not intended to replace further investigation or personal observations. If you are planning travel, or are traveling in or proximate to the locations identified in this newsletter, you are encouraged to contact SecurAssist for additional information.

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