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EF0 tornado in Clark County, Washington

Tornado September 27, 2021 · Clark County, Washington

EF0
Rating
3.9 mi
Path length
240 yd
Path width
$40K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 240 yards (0.14 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

An EF-0 tornado with estimated winds of 85 mph (DI:28 ,DOD:3) began near the intersection of NE 72nd Avenue and State Highway 502 at 45.7804 latitude, -122.5982 longitude. The tornado tracked in a northeast direction, ending up near NE 259th St. and NE 147th Ave at 45.8105 latitude and -122.5229 longitude. The tornado path was about 240 yards wide with a track length of about 3.9 miles. The estimated start and end time of the tornado is 1806PST and 1821PST. No injuries or fatalities were reported. The majority of the damage was to trees that were uprooted or snapped. Other damage included a tree that fell on an RV, and fences damaged by toppled trees.

The wider storm

On the evening of Monday September 27, 2021 showers in the area were quite active as a cool upper trough moved into the region. One storm cell produced an EF-0 tornado in Battle Ground, WA.

Began near Dollar Corner (45.7804, -122.5982).

Source: NOAA Storm Events Database, event 977809. Narratives are written by the National Weather Service forecast office that issued the report.

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