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EF2 tornado in Houston County, Minnesota

Tornado May 22, 2011 · Houston County, Minnesota

EF2
Rating
13.8 mi
Whole path
150 yd
Path width
2
Injuries
$15.4M
Damage as recorded

NOAA records this tornado county by county. Its path ran through Houston County → La Crosse County, Wisconsin; 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 EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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

This EF2 tornado cut a path across northeast Houston County from around 5 miles southwest of Hokah, through the very southern part of Hokah to the Target Lake area southeast of La Crescent, before crossing the Mississippi River. Near the beginning of the track, significant damage to some residences, barns and farm out buildings occurred. In the same area, numerous 100 foot tall and 3 foot diameter trees were either uprooted or snapped off. Around a mile west of Hokah, 2 barns were significantly damaged and a residence received minor damage. Some minor roof damage and extensive tree damage was done on the south side of the town of Hokah. Tree damage was noted east of Hokah into the Mississippi River. Damages from the tornado were estimated to be almost $250 thousand.

The wider storm

During the afternoon of May 22nd, severe thunderstorms developed along a cold front as it moved through southeast Minnesota. These severe thunderstorms produced two confirmed tornadoes, both of which were rated as EF2. The first tornado moved into Fillmore County from northeast Iowa and the second tornado occurred over eastern Houston County before crossing the Mississippi River into western Wisconsin. The first tornado produced significant damage around Harmony (Fillmore County) where silos were damaged and roofs taken off structures. The second tornado produced damage around Hokah (Houston County) with barns and other farm buildings damaged along with several residences. Around 4,500 customers loss power across Fillmore and Houston Counties. Damages across southeast Minnesota were estimated to be between $400 and $500 thousand.

Began near Mound Prairie (43.7412, -91.4574).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 304520. Narratives are written by the National Weather Service forecast office that issued the report.

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