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EF0 tornado in Colusa County, California

Tornado March 23, 2011 · Colusa County, California

EF0

Rating

1.1 mi

Path length

10 yd

Path width

$70K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

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

At approximately 3:00 pm an EF0 tornado touched down about a mile WSW of downtown Williams in Colusa County, near the intersection of Hwy 20 and Davis Road. The maximum wind speed of the tornado was estimated at 80 mph with a damage path of three quarters of a mile. The damage path was in an east-northeast direction. No injuries nor fatalities have been reported. The tornado damaged six homes, an out-building, two vehicles, and a home radio tower.

The wider storm

A brief tornado touched down near the town of Williams in Colusa County.

Began near Williams (39.1450, -122.1670).

Source: NOAA Storm Events Database, event 299795. Narratives are written by the National Weather Service forecast office that issued the report.

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