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EF1 tornado in Brown County, Minnesota

Tornado June 11, 2008 · Brown County, Minnesota

EF1

Rating

0.6 mi

Path length

25 yd

Path width

$300K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 25 yards (0.01 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

Photographed by storm chaser. The tornado destroyed two barns, a farm shop, five pickup trucks, a semi-tractor, and a farm tractor.

The wider storm

A warm frontal boundary across from eastern North Dakota to central Minnesota was one of the main culprits for severe weather on this date.

Began near Leavenworth (44.2002, -94.8721).

Other tornadoes from the same storm system

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

EF1 Brown County EF0 Brown County EF0 Sibley County

Source: NOAA Storm Events Database, event 121888. Narratives are written by the National Weather Service forecast office that issued the report.

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