Tornado Scale Calculator

Determine the Enhanced Fujita (EF) scale rating from estimated wind speed with damage descriptions.

Enhanced Fujita Rating
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Wind (mph)
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Wind (km/h)
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Wind (m/s)
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EF Range
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Annual US Frequency
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Enhanced Fujita Scale

EF0: 65-85 mph - Light damage
EF1: 86-110 mph - Moderate damage
EF2: 111-135 mph - Considerable damage
EF3: 136-165 mph - Severe damage
EF4: 166-200 mph - Devastating damage
EF5: 200+ mph - Incredible destruction

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Wind Power

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