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A downburst is a strong downdraft which causes damaging winds on or near the ground.
Flash flooding is the #1 weather-related killer in the United States.
The costliest hail storm in the United States was in Denver in July 1990 with damage of $625 million.
Lightning is found with every thunderstorm. While the lightning displays may be impressive to watch, they are also deadly.
Thunderstorms affect relatively small areas when compared with hurricanes and winter storms.