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EF0 tornado in Coconino County, Arizona

Tornado October 18, 2024 · Coconino County, Arizona

EF0

Rating

1.4 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

A weak tornado or landspout was observed southwest of Tuba City near Kerley Valley. Verified by video.

The wider storm

A strong upper low diving southeastward through southern Nevada and across northern Arizona with instability and upward motion brought widespread showers, thunderstorms, snow, and strong winds. The frontal band moved across northeastern Arizona during the afternoon with CAPE values near 500 J/kg and sufficient deep layer wind shear to produce strong to locally severe storms.

Began near Moenave (36.0936, -111.2928).

Source: NOAA Storm Events Database, event 1219741. Narratives are written by the National Weather Service forecast office that issued the report.

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