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Tornado in Niobrara County, Wyoming

Tornado June 17, 2025 · Niobrara County, Wyoming

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Not rated

0.1 mi

Path length

10 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 10 yards (0.01 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

Not rated. NOAA lists no rating for this tornado. Ratings come from surveying damage, and the National Weather Service now records “EFU” (unknown) when a tornado hit nothing a survey team could rate.

What the National Weather Service wrote

Numerous spotter reports of funnels and occasional touchdowns.

The wider storm

Following the nocturnal convection the night/morning of June 16/17, another round of severe storms developed early in the afternoon on June 17. Hail, wind, and tornadoes were reported with these storms.

Began near Lusk (42.7904, -104.4690).

Other tornadoes from the same storm system

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

EF1 Albany County EFU Niobrara County EFU Converse County

Source: NOAA Storm Events Database, event 1262829. Narratives are written by the National Weather Service forecast office that issued the report.

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