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EF0 tornado in Humboldt County, California

Tornado January 25, 2018 · Humboldt County, California

EF0

Rating

0.0 mi

Path length

30 yd

Path width

$100

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

NOAA recorded where this tornado touched down but not where it lifted, so it appears as a point. 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 waterspout over Humboldt Bay moved inland across Woodley Island. A boat anemometer measured a wind speed of 54 mph associated with the brief tornado. In addition, a fiber glass case snapped on a dock. The path length was estimated to be 200 feet, and the width was approximately 30 yards.

The wider storm

An upper-level storm system moved east across northwest California, resulting in high elevation snow, coastal hail, and a tornado.

Began near Eureka (40.8081, -124.1631).

Source: NOAA Storm Events Database, event 730634. Narratives are written by the National Weather Service forecast office that issued the report.

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