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EF0 tornado in Antrim County, Michigan

Tornado August 3, 2017 · Antrim County, Michigan

EF0

Rating

0.1 mi

Path length

55 yd

Path width

$55K

Damage as recorded

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The path drawn at its surveyed width of 55 yards (0.03 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 EF0 tornado crossed Williams Drive at the south end of Birch Lake, then dissipated over the lake. Maximum wind speed was estimated at 80 mph. Many trees were uprooted in the area, and a few homes were damaged by falling trees. Saturated soils likely contributed to the number of uprooted trees.

The wider storm

Thunderstorms moved into northern lower Michigan in the afternoon and evening of the 3rd. Isolated severe weather occurred, including a brief tornado.

Began near Kewadin (44.9285, -85.3808).

Source: NOAA Storm Events Database, event 722745. Narratives are written by the National Weather Service forecast office that issued the report.

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