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EF0 tornado in Douglas County, Missouri

Tornado July 9, 2015 · Douglas County, Missouri

EF0
Rating
1.4 mi
Path length
100 yd
Path width
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

A NWS storm survey determined an EF-0 tornado touched down about 4 miles north of Ava. The maximum estimated wind speeds were up to 80 mph. The path width was about 100 yards and the path length was about 1.40 miles long. Numerous trees were uprooted along this path.

The wider storm

A stalled frontal boundary in the area developed multiple rounds of thunderstorms which led to flash flooding. There were a few flash flood emergencies due to the catastrophic nature of the flash floods. There were several reports of damaging winds and isolated tornadoes.

Began near Mt Zion (36.9989, -92.6717).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 579625. Narratives are written by the National Weather Service forecast office that issued the report.

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