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EF1 tornado in McDonald County, Missouri

Tornado May 18, 2017 · McDonald County, Missouri

EF1
Rating
1.0 mi
Path length
100 yd
Path width
$100K
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 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

A brief EF-1 tornado touches down along Golf Ridge Road in southeastern McDonald County. The tornado was about one mile long and up to 100 yards wide. Numerous trees were snapped and uprooted. Several homes had damage with windows knocked out and roof damage. One home had half the roof blown off. Estimated maximum winds were up to 95 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 Caverna (36.5036, -94.2079).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 698446. Narratives are written by the National Weather Service forecast office that issued the report.

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