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The original item was published from 3/21/2022 10:53:00 AM to 3/21/2022 10:53:52 AM.

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Fire Department

Posted on: March 21, 2022

[ARCHIVED] Severe thunderstorm warning in effect through March 21

Severe thunderstorms are expected this afternoon between 3-5 p.m. Most of the severe storms are expected to be south of Allen; however, there is still a possibility that Allen could experience large hail, damaging winds, and tornadoes. Due to the high moisture levels, tornadoes may be wrapped in heavy rain, making them difficult to spot.

Remember, sirens aren’t just for tornadoes!
Allen operates 26 outdoor warning sirens that sound during severe weather events, including:

  • Large hail greater than 1 inch in diameter
  • Winds greater than 70 mph
  • Tornado warnings naming Allen in the path

Allen uses data from the National Weather Service, weather radars, and trained storm spotters/public safety officers to determine when these criteria are met. Allen’s outdoor warning sirens are designed to alert people outdoors of the need to find shelter and seek information. You may not be able to hear them indoors as other noises or insulation can muffle the tone. Allen Emergency Management recommends using phone apps, TV/radio reports, and NOAA weather radios to receive warnings while indoors. Learn more about storm and tornado safety.

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