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EF0 tornado in Clark County, Washington

Tornado March 24, 2017 · Clark County, Washington

EF0

Rating

2.3 mi

Path length

15 yd

Path width

$2K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 15 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 short-lived thunderstorms dropped a brief, weak tornado on the west side of Orchards. Tornado damaged a fence in the vicinity of NE 99th Street and NE 140th Ct. On NE 105th Ave. north of NE 67th St. a 12-by-12-foot metal shed was lifted up and placed back down and tree branches about 4 inches in diameter were snapped off.

The wider storm

A upper-level low bringing a cold front across the area generated showers and a few thunderstorms across southwest Washington. One of these thunderstorms produced a weak tornado in Orchards, WA northeast of Vancouver.

Began near Orchards (45.6723, -122.5651).

Source: NOAA Storm Events Database, event 689268. Narratives are written by the National Weather Service forecast office that issued the report.

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