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EF0 tornado in Elmore County, Idaho

Tornado July 25, 2024 · Elmore County, Idaho

EF0

Rating

0.6 mi

Path length

30 yd

Path width

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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 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

Broadcast media and social media provided videos show a weak EF-0 land spout tornado on the ground in Glenns Ferry, with a path along and just north of E. Harrison Ave. Elmore County Emergency Management and general public reports, along with photos of roof damage, several downed trees, downed branches, and damage to power lines are consistent with EF-0 wind speeds of 70 to 80 mph. The tornado had a path length of approximately 0.3 miles and a path width of approximately 30 yards.

The wider storm

Isolated thunderstorms formed along a surface convergence zone in the afternoon of July 25th. One of the the storms near Glenns Ferry, Idaho spun up a brief surface based circulation into a brief land spout tornado which produced damage in Glenns Ferry.

Began near Glenns Ferry (42.9515, -115.3005).

Source: NOAA Storm Events Database, event 1202742. Narratives are written by the National Weather Service forecast office that issued the report.

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