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EF1 tornado in Clark County, Washington

Tornado December 10, 2015 · Clark County, Washington

EF1

Rating

0.8 mi

Path length

528 yd

Path width

$311K

Damage as recorded

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The path drawn at its surveyed width of 528 yards (0.30 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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

Around 36 homes and 2 businesses sustained damage from the tornado. Dozens of trees with a diameter of 1 to 3 feet were uprooted and blown down, and around a half of a dozen 1 to 2 foot diameter trees were snapped.

The wider storm

A tornado with winds up to 104 mph touched down southwest of Battleground around 1115 am. There were at least two touch down points along the 2 mile path. No injuries or fatalities were reported, but residences and businesses sustained property damage.

Began near Battle Ground (45.7700, -122.5366).

Source: NOAA Storm Events Database, event 612082. Narratives are written by the National Weather Service forecast office that issued the report.

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