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EF1 tornado in Clark County, Wisconsin

Tornado May 21, 2024 · Clark County, Wisconsin

EF1
Rating
5.4 mi
Whole path
110 yd
Path width
$378K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Clark County → Marathon County → Clark County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 110 yards (0.06 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

A tornado touched down southwest of Unity, moved through the village, and ended northeast of town in Marathon County (NWS Green Bay's warning area). Besides damage to trees and power lines, several homes and garages had extensive damage, especially to roofs.

The wider storm

On May 21st, a line of severe storms moved through the region during the late afternoon and evening hours bringing widespread wind damage and several tornadoes across western Wisconsin. Additionally, a few storms produced large hail across portions of southwestern Wisconsin.

Began near Unity (44.8406, -90.3247).

Other tornadoes from the same storm system

7 more tornadoes the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 1177644. Narratives are written by the National Weather Service forecast office that issued the report.

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