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EF1 tornado in Osage County, Missouri

Tornado March 6, 2017 · Osage County, Missouri

EF1
Rating
7.3 mi
Path length
75 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 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 small tornado formed just to the west northwest of Argyle, MO and traveled east northeast to just northeast of Freeburg, MO. The tornado was at its strongest at the very beginning as it destroyed a hay barn, snapped and uprooted trees. The rest of the path consisted of occasional downed trees and broken large tree limbs. Overall, the tornado was rated EF1 with a path length of 7.26 miles and a max path width of 75 yards.

The wider storm

As a cold front moved across the region, a squall line developed and moved rapidly east across the forecast area. There were numerous reports of damaging winds, large hail and 8 tornadoes.

Began near Argyle (38.3007, -92.0355).

Other tornadoes from the same storm system

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

EF1 Shelby CountyEF1 Montgomery CountyEF1 St. Charles CountyEF0 Jefferson CountyEF0 Jefferson County

Source: NOAA Storm Events Database, event 686658. Narratives are written by the National Weather Service forecast office that issued the report.

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