Severe Thunderstorms

All thunderstorms are dangerous because they have lightning, gusty winds and heavy rains. 1 out of 10 thunderstorms will be severe, meaning it can cause damage to property and threaten lives.

A severe thunderstorm is a thunderstorm that can produce:

  • Hail, greater than 1” in diameter
  • Winds over 58 mph
  • A tornado
Thunderstorm at NASA

Source: NASA

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