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EF0 tornado in Beltrami County, Minnesota

Tornado July 11, 2018 · Beltrami County, Minnesota

EF0
Rating
1.8 mi
Path length
250 yd
Path width
$20K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 250 yards (0.14 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

Reports of this tornado, along with video, were posted to social media. The tornado touched down just off the shore, over Lower Red Lake. It moved on shore roughly two miles west of Ponemah and continued to track to the east-northeast, for another mile or so, before dissipating. Large poplar and ash tree limbs were broken down along this path. Peak winds were estimated at 80 mph.

The wider storm

A cold front moved into the northwest quarter of Minnesota during the evening of the 11th into the early morning hours of the 12th. Ahead of this cold front, temperatures over the northwest quarter of Minnesota during the early evening of the 11th ranged well into the 80s, with dew points in the middle 70s, so it was very warm and muggy. Thunderstorms broke out along the front, producing funnel clouds, tornadoes, large hail, and damaging wind gusts.

Began near Ponemah (48.0200, -94.9800).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 758355. Narratives are written by the National Weather Service forecast office that issued the report.

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