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EF0 tornado in Allegan County, Michigan

Tornado August 11, 2021 · Allegan County, Michigan

EF0

Rating

2.8 mi

Path length

100 yd

Path width

$300K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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

An NWS storm survey determined that one outbuilding was destroyed near 26th street with metal roofing debris scattered along the path. A large irrigation structure was knocked over and damaged east of 26th street. Tornadic damage to trees was noted throughout the path. Intermittent roofing damage was also observed.

The wider storm

Severe storms produced numerous reports of wind gusts up to around 60 mph that brought down numerous trees and tree limbs. In addition an EF-0 tornado struck near Dorr in Allegan county.

Began near Burnips (42.7375, -85.8041).

Source: NOAA Storm Events Database, event 973847. Narratives are written by the National Weather Service forecast office that issued the report.

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