EF0 tornado — Otter Tail County, Minnesota

EF0 tornado in Otter Tail County, Minnesota

Tornado July 8, 2020 · Otter Tail County, Minnesota

EF0

Rating

0.2 mi

Path length

20 yd

Path width

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NOAA recorded where this tornado touched down but not where it lifted, so it appears as a point. 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

A persistent funnel cloud briefly touched down. Peak winds were estimated at 75 mph.

The wider storm

A lone weak cell appeared on radar at 430 pm CDT over northern Grant County, Minnesota. Numerous storm chasers had congregated in this area, hoping to see a good storm to chase. By 5 pm, the cell had blossomed into a strong thunderstorm. Weather spotters, law enforcement, and storm chasers then reported a funnel coming down toward the ground slightly after 505 pm. A tornado warning was issued at 508 pm (until 6 pm) for portions of south central Otter Tail and northeast Grant counties. This tornado tracked about 9 miles through the warned area, before dissipating. At its peak strength, it was rated as an EF-4 tornado. Another rotation was noted a little later, leading to a second tornado warning at 635 pm (until 7 pm), this time for southwest Wadena and southeast Otter Tail counties.

Other tornadoes from the same storm system

Source: NOAA Storm Events Database, event 898303. Narratives are written by the National Weather Service forecast office that issued the report.

EF0 tornado in Otter Tail County, Minnesota

What the National Weather Service wrote

The wider storm

Other tornadoes from the same storm system

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