Posted on: March 7, 2017

Understanding outdoor warning systems


Mesquite, TX - March 7, 2017 - The City of Mesquite has an extensive outdoor warning system (OSW) comprised of 25 sirens strategically located throughout the city. These sirens are designed to alert citizens, who are outdoors, to an eminent threat in the community. When sounded, citizens should seek shelter inside immediately and then seek additional information. The City encourages residents to purchase a NOAA weather radio to hear alerts indoors. While tornado warnings are the most common cause for siren activation, they are intended as an "all-hazards" alerting system.

When will sirens sound? 

The City of Mesquite Office of Emergency Management will activate the Outdoor Warning System:

  • On the first Wednesday of every month at noon to test the system, weather permitting;
  • When the National Weather Service (NWS) issues a Severe Thunderstorm Warning with destructive winds in excess of 70 mph or a Tornado Warning for areas within or around the Mesquite;
  • When trained storm spotters report a tornado in Mesquite or in neighboring jurisdictions, or reported hail of 1.25 inch in diameter or greater;
  • When a chemical emergency is present;
  • When the Governor of Texas declares a state emergency;
  • When the President declares a national emergency.

For more information or to view the locations of the outdoor warning sirens in Mesquite, visit www.cityofmesquite.com/SevereWeather.

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