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EF0 tornado in Polk County, Missouri

Tornado May 17, 2015 · Polk County, Missouri

EF0

Rating

12.3 mi

Whole path

200 yd

Path width

$15K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Polk County → Polk County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 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 rated tornado occurred east of Dunnegan. Multiple trees were damaged in the area with damage consistent with winds up to 80 mph. The tornado had a path length of just under two miles with a width of 100 to 200 yards.

The wider storm

A strong upper level system moved through the Midwest region and produced a squall line of thunderstorms across the Missouri Ozarks. This squall line of storms produced numerous reports of wind damage and a few weak tornadoes.

Began near Cliquot (37.6983, -93.5058).

Other tornadoes from the same storm system

4 more tornadoes the National Weather Service filed under this storm episode.

EF1 Newton County EF1 Lawrence County EF0 Polk County EF0 Dallas County

Source: NOAA Storm Events Database, event 566510. Narratives are written by the National Weather Service forecast office that issued the report.

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