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EF1 tornado in Grand Forks County, North Dakota

Tornado August 8, 2025 · Grand Forks County, North Dakota

EF1
Rating
6.0 mi
Whole path
30 yd
Path width

NOAA records this tornado county by county. Its path ran through Traill County → Grand Forks County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 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

This brief QLCS tornado caused EF-1 damage to large cottonwood trees which were uprooted and snapped halfway up the truck. As it continued tracking northeast it caused crop damage and additional EF-1 damage to trees before lifting. Time estimated from KVX radar. TDS observed on radar. Sentinel-2 high resolution satellite imagery reveals crop damage. Max wind speed is estimated at 100 mph.

The wider storm

A QLCS type mesoscale convective system brought widespread severe thunderstorm winds to eastern ND, along with, multiple brief tornadoes during the early morning hours.

Began near Holmes (47.7155, -97.3666).

Other tornadoes from the same storm system

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

EF1 Grand Forks CountyEF1 Grand Forks CountyEF1 Grand Forks CountyEF1 Grand Forks CountyEF1 Grand Forks CountyEF1 Griggs CountyEF0 Grand Forks CountyEF0 Grand Forks CountyEF0 Grand Forks CountyEF0 Griggs County

Source: NOAA Storm Events Database, event 1284203. Narratives are written by the National Weather Service forecast office that issued the report.

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