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EF0 tornado in El Dorado County, California

Tornado July 8, 2015 · El Dorado County, California

EF0

Rating

2.7 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

Two photographs indicated a waterspout on Lake Tahoe. Eyewitnesses noted that the waterspout started near the mouth of Emerald Bay and moved quickly southeast towards Tahoe Keys. The waterspout dissipated before reaching land.

The wider storm

Persistent moderate to high atmospheric moisture combined with daytime heating to produce thunderstorms (many with heavy rainfall) early in the month.

Began near Fallen Leaf (38.9728, -120.0710).

Source: NOAA Storm Events Database, event 593507. Narratives are written by the National Weather Service forecast office that issued the report.

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