• a transient storm of lightning and thunder, usually with rain and gusty winds, sometimes with hailors now,produced by cumulonimbus clouds. Every thunderstorm is dangerous. In addition, every storm creates lightning. Lastly, the result of thunderstorms can sometimes be disastrous.
  • The typical thunderstorm is 15 miles in diameter and lasts an average of 30 minutes.
  • To estimate how many miles away a storm is by counting the number of seconds between the lightning and thunder.
  • Three things thunderstorms need are moisture, unstable air and lift.
  • Thunderstorms can occur at any time during the year and at any hours.

Created By: Avery
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