Green Bay, WI
Weather Forecast Office
Overview
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. |
Tornadoes:
Tornado - Marathon County
Track Map Downloadable KMZ File |
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 |
Photos & Video:
Header
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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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Green Bay, WI
2485 South Point Road
Green Bay, WI 54313-5522
920-494-2363
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