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EF0 tornado in Polk County, Missouri

Tornado May 19, 2017 · Polk County, Missouri

EF0
Rating
0.6 mi
Path length
100 yd
Path width
$5K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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 touched down near the Greene County and Polk County line northwest of Walnut Grove. Several trees were uprooted and there was damage to outbuildings. Estimated maximum winds were up to 85 mph.

The wider storm

Multiple rounds of severe thunderstorms over a two day period produced numerous weak tornadoes and wind damage reports across the Missouri Ozarks. Training of storms led to localized heavy rainfall and minor flooding reports.

Began near Knox (37.4219, -93.5928).

Other tornadoes from the same storm system

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

EF1 Taney CountyEF1 McDonald CountyEF1 McDonald CountyEF1 Webster CountyEF1 Lawrence CountyEF0 Greene CountyEF0 Taney CountyEF0 Barry CountyEF0 Christian CountyEF0 Newton CountyEF0 Wright CountyEF0 Oregon CountyEF0 Lawrence CountyEF0 Dade CountyEF0 Dade County

Source: NOAA Storm Events Database, event 698497. Narratives are written by the National Weather Service forecast office that issued the report.

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