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EF1 tornado in La Crosse County, Wisconsin

Tornado May 22, 2011 · La Crosse County, Wisconsin

EF1
Rating
8.2 mi
Whole path
125 yd
Path width
1
Injury
$920K
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 125 yards (0.07 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

For the short time this tornado was in La Crosse County, it produced mainly tree and some minor building damage. The tornado tracked from just southwest of Rockland, toward the rest stop on the eastbound side of Interstate 90 before crossing into Monroe County.

The wider storm

During the afternoon of May 22nd, severe thunderstorms developed along a cold front as it moved through western Wisconsin. These severe thunderstorms produced three confirmed tornadoes, two of which were rated as EF2 with the other being an EF1. The first tornado hit the southern sections of the city of La Crosse (La Crosse County) and caused an estimated 15 million dollars in damage where almost 200 buildings were damaged including 9 homes that were destroyed. The second tornado tracked from extreme eastern La Crosse County into Monroe County passing through the southern portions of Sparta (Monroe County). Considerable damage occurred in Sparta with a local car dealership sustaining damage to vehicles on the sales lot. The third tornado was on the ground for almost 65 miles as it tracked from eastern Monroe County, across northern Juneau County, through southern Wood County and into Portage County before dissipating. Damage estimates for this tornado in Monroe and Juneau Counties are close to 6 million dollars with most of this occurring in Juneau County where a cranberry farm was severely damaged.

Began near Rockland (43.8900, -90.9351).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 306899. Narratives are written by the National Weather Service forecast office that issued the report.

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