EF1 tornado in Grand Forks County, North Dakota

Tornado July 22, 2022 · Grand Forks County, North Dakota

EF1

Rating

1.2 mi

Path length

150 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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

The tornado tossed sections of irrigation pipes which were stacked near Highway 18, tore an empty steel grain bin from its foundation, and scattered pieces of the bin over a half mile.

The wider storm

Clusters of thunderstorms combined into a line of storms during the late evening in eastern North Dakota, then moved southeastward through the region over the next several hours. Significant damaging winds, and large hail were reported, as well as two tornadoes.

Began near Northwood (47.7100, -97.4600).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF0 Steele County

Source: NOAA Storm Events Database, event 1049477. Narratives are written by the National Weather Service forecast office that issued the report.

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