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EF1 tornado in Big Stone County, Minnesota

Tornado May 30, 2022 · Big Stone County, Minnesota

EF1
Rating
2.4 mi
Path length
30 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 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 storm chaser documented the brief tornado touchdown. Two farmsteads were damaged. The first farm was located near 410th St and 590th Ave. This farm exhibited a clear track through trees on the property, the house had shingle damage and damage occurred to small outbuildings. Roughly three quarters of a mile to the north, near 400th St, the second property was damaged. This property had a grain bin swept off the base, complete destruction of machine shed, shingle damage to the home and a clear path of mangled trees.

The wider storm

Supercell storms in northeast South Dakota moved into west central Minnesota during the mid-day hours, producing an EF1 tornado by Artichoke Lake, ping pong sized hail in rural Traverse county and winds of 60 mph near Graceville. Heavy rain was also associated with the system with COOP observers measuring 3.78 inches in Wheaton and 2.42 inches in Browns Valley. The heavy rain associated with this system produced flooding in rural areas of Big Stone and Traverse counties.

Began near Correll (45.2984, -96.1441).

Source: NOAA Storm Events Database, event 1027844. Narratives are written by the National Weather Service forecast office that issued the report.

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