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EF1 tornado in Kenosha County, Wisconsin

Tornado August 10, 2020 · Kenosha County, Wisconsin

EF1

Rating

6.2 mi

Whole path

150 yd

Path width

$250K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Lake County, Illinois → Kenosha County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

Tornado started in NW Lake County Illinois where some house and structural damage occurred just south of the WI/IL border. The tornado then crossed into Wisconsin and knocked hundreds of trees down (trunks snapped and uprooted) at Promised Land camp. Tornado continued northeast toward the southwest side of Camp Lake where shingle damage was noted on a few houses. Tornado then crossed Camp Lake and exited it on the northeast side where more tree damage was noted. Some pontoon boats and docks were toppled on Camp Lake. Tornado was embedded within a line of storms that also had winds of 50-60 mph.

The wider storm

A line of severe thunderstorms ahead of an approaching cold front brought two tornadoes, flash flooding, and straight-line wind damage to far southern WI.

Began near Wilmot (42.4954, -88.1691).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF0 Walworth County

Source: NOAA Storm Events Database, event 909502. Narratives are written by the National Weather Service forecast office that issued the report.

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