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Severe Thunderstorm Watch Defined

By WeatherBug Meteorologist, Michael Stroz

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Exclusive WeatherBug Video about Severe Thunderstorm Watches

A Severe Thunderstorm Watch is issued when conditions are favorable for the development of severe thunderstorms in and close to the watch area. A severe thunderstorm by definition is a thunderstorm that produces 3/4 inch diameter hail or larger and/or 58 mph winds or greater. The size of the watch can vary depending on the weather situation. They are usually issued for a duration of 4 to 8 hours and normally well in advance of the actual occurrence of severe weather.

During the watch, people should review severe thunderstorm safety rules and be prepared to move to a place of safety if threatening weather approaches.

Additional tips:

  • Develop a plan for you and your family at home, work, school and when outdoors
  • Identify a safe place to take shelter
  • Keep an eye on the sky and watch for signs of approaching storms

Source: National Weather Service

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