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EF1 tornado in Franklin County, Missouri

Tornado April 10, 2013 · Franklin County, Missouri

EF1

Rating

1.3 mi

Path length

200 yd

Path width

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 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 tornado touched down in the Labadie Bottoms, north of St. Albans and lifted after traversing, on a slightly curved path, for 1.5 miles east northeast across St. Albans Island. Extensive tree damage was noted along the track. The overall damage was rated EF1. The path length was 1.5 miles and the max damage width was 200 yards.

The wider storm

A strong weather system moved through the region, triggering showers and thunderstorms. There were numerous reports of large hail, as well as damaging winds and three tornadoes.

Began near St Albans (38.5883, -90.7869).

Other tornadoes from the same storm system

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

EF2 St. Louis County EF0 St. Louis (c) County

Source: NOAA Storm Events Database, event 444410. Narratives are written by the National Weather Service forecast office that issued the report.

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