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EF0 tornado in Jerome County, Idaho

Tornado June 30, 2016 · Jerome County, Idaho

EF0
Rating
1.5 mi
Path length
50 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

KMVT in Twin Falls relayed a video sent by a civilian of an EF0 tornado moving northwest to southeast along a gust front from a thunderstorm northeast of Jerome. The tornado began approximately 712 MDT and ended at 722 MDT. It was about 150 feet wide and moved through agricultural fields and no damage was reported. It is possible that the rotating column of air was a surface based gustnado since it was not clear if the updraft was connected to the parent thunderstorm. However, the rotating column had considerable height, strength and longevity.

The wider storm

A tornado developed along a gust front from a thunderstorm in South Central Idaho.

Began near Jerome Co Arpt (42.7676, -114.4308).

Source: NOAA Storm Events Database, event 633426. Narratives are written by the National Weather Service forecast office that issued the report.

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