Heavy to excessive rainfall may lead to flooding Wednesday over southwest Pennsylvania into northern West Virginia, and western Maryland. Flood Watches have been issued. An extended period of hot weather will continue for parts of coastal southern California including Los Angeles through Thursday. Heat Advisories remain in effect. Read More >
Overview
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A thunderstorm produced a tornado in western Marathon County about five miles east of Colby. The tornado occurred about 11:20 AM and was on the ground for almost 4 1/2 miles before dissipating. Over a dozen homesteads/farms were affected. The tornado was rated EF1 with peak winds around 90 mph. |
 Damage near the start of the tornado track. Photo by Bert Nitzke. |
Tornadoes:
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Tornado - Marathon County
Track Map  
Downloadable KMZ File |
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Photos & Video:
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| Damage to a barn. (Photo by Bert Nitzke) |
Tree damage. (Photo by Bert Nitzke) |
Crop damage. (Photo by Bert Nitzke) |
Tree damage. (Photo by Bert Nitzke) |
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