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EF0 tornado in Coconino County, Arizona

Tornado August 8, 2023 · Coconino County, Arizona

EF0

Rating

5.0 mi

Path length

10 yd

Path width

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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.

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

Landspout tornado was spotted 10 miles north of Cameron, Arizona at 1:50 MDT. Only visible lofted debris was dust. Dissipated within 10 minutes after sighting. Video on Twitter.

The wider storm

The air flow over Arizona slowly transitioned from a west to east trajectory, to more southerly. This was due to a nearly stationary low forming off the western coast of California, which will provided some dynamical forcing. This allowed moisture to move northward from Mexico. Scattered to numerous showers and thunderstorms formed over the north-central Arizona.

Began near Moenave (36.0200, -111.3900).

Source: NOAA Storm Events Database, event 1122771. Narratives are written by the National Weather Service forecast office that issued the report.

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