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EF0 tornado in Grant County, Minnesota

Tornado August 14, 2020 · Grant County, Minnesota

EF0
Rating
1.0 mi
Path length
40 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

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

This tornado was the third of five tornadoes in Grant County. The tornado tracked mainly over open fields and pasture land. A slight marking was noted in a field via video and a storm damage survey team. Peak winds were estimated at 70 mph.

The wider storm

During the very early morning hours of Friday, August 14th, sporadic slow moving severe thunderstorms formed across portions of west central Minnesota. These resulted in reports of large hail, strong wind gusts, and flash flooding. Prior to sunrise and through Friday morning, additional storms developed back westward into southeast North Dakota, and they continued to fire across west central Minnesota. These storms continued to produce large hail, gusty winds, and flash flooding. By mid-afternoon, an area of surface low pressure tracked through west central Minnesota, dragging a cold front behind it. Five tornadoes occurred during this period across Grant County, Minnesota.

Began near Wendell (45.9500, -96.1200).

Other tornadoes from the same storm system

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

EF2 Grant CountyEF1 Grant CountyEF0 Grant CountyEF0 Grant County

Source: NOAA Storm Events Database, event 911081. Narratives are written by the National Weather Service forecast office that issued the report.

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