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Straight-line Winds
- Responsible for most thunderstorm wind damage
- Winds can exceed 100 mph!
- One type of straight-line wind,the DOWNBURST, can cause damage equivalent to a
strong tornado and can be extremely dangerous to aviation.
- During the summer in the western states, thunderstorms often produce little rain but very strong
wind gusts and dust storms.
Large Hail
- Causes nearly $1 billion in damage to property and crops annually
- Costliest United States hailstorm: Denver, Colorado July 11, 1990. Total Damage was $625 million.
Tornadoes
- Nature's most violent storms.
- Winds can exceed 200 mph.
- Result in an average of 80 deaths and 1,500 injuries each year
- Most fatalities occur when people do not leave mobile homes and automobiles
Return to Thunderstorm Index Page
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