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EF1 tornado in Barron County, Wisconsin

Tornado August 7, 2010 · Barron County, Wisconsin

EF1

Rating

3.2 mi

Path length

125 yd

Path width

$250K

Damage as recorded

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

A National Weather Service Storm Damage Survey determined that an EF-1 tornado touched down approximately 4.5 miles north-northeast of Cumberland, and tracked east-southeast to approximately six miles northeast of Cumberland, Wisconsin. Structural damage was confined to a barn and garage destroyed. Hundreds of trees were either uprooted and blown down, and several of the large trees were in excess of four feet in diameter.

The wider storm

Several short-lived supercell thunderstorms that moved across central Minnesota during the late evening of Saturday August 7th, moved into Polk and Barron County, Wisconsin prior to midnight and produced several rounds of severe down burst winds, and two tornadoes near Luck, and Cumberland, Wisconsin.

Began near Barronett (45.5865, -91.9767).

Other tornadoes from the same storm system

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

EF0 Polk County

Source: NOAA Storm Events Database, event 243450. Narratives are written by the National Weather Service forecast office that issued the report.

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