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EF1 tornado in Vernon County, Missouri

Tornado August 19, 2018 · Vernon County, Missouri

EF1
Rating
1.0 mi
Path length
100 yd
Path width
$25K
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 National Weather Service survey determined that EF-1 tornado starting 1.5 SE of Sheldon, Mo. Damage occurred to a few farm outbuildings. The tornado continued on the ground for two minutes to the northeast uprooting trees along the tornado path before lifting one mile east of Sheldon, Mo. Maximum winds were estimated at 95 mph.

The wider storm

August 19-20'a rapidly deepening low pressure system tracked from south central Kansas to southwest Iowa. Unseasonably strong wind shear led to the development of severe storms with heavy rainfall across southeast Kansas and southwest Missouri during the late afternoon and evening hours of the 19th . Several EF-0 and two EF-1 tornadoes developed with these storms over Barton, Vernon, Barry and Webster Counties. Rainfall accumulations averaged between one half inch and one inch, with isolated amounts up to three inches over Wright and Barton Counties.

Began near Sheldon (37.6468, -94.2696).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 780785. Narratives are written by the National Weather Service forecast office that issued the report.

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