Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >
Overview
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A very weak waterspout was photographed on Loon Lake in northern Shawano County on June 4, 2016. No damage occurred. The waterspout (or tornado on water) was associated with a shower that did not produce lightning. The shower formed along a boundary (wind shift) which likely provided the rotation required to produce the weak waterspout. |
 Image still from video taken by Gerald Urban. Shawano Lake is in foreground. |
Tornado:
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Tornado - Loon Lake
Track Map  
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak <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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