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EF0 tornado in Brown County, Nebraska

Tornado August 11, 2011 · Brown County, Nebraska

EF0
Rating
3.6 mi
Path length
50 yd
Path width
$2K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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 tornado touched down and traveled southeast about one mile, crossed a road and moved another two miles before lifting. Two trees were twisted off close to the point of touch down, with no additional damage noted. The maximum wind speed was 75 m.p.h., and the tornado was rated a EF0.

The wider storm

Severe thunderstorms developed in north central Nebraska on the afternoon of August 11th in the vicinity of a warm front draped from southwest South Dakota into northeast Nebraska. The storms quickly became tornadic with six tornados occurring by the end of the evening. The largest tornado was classified as an EF3 and touched down over southeast Cherry county and traveled into Brown county before lifting. The other tornadoes produced minimal damage and were rated EF0's and EF1's. Large hail also impacted these areas, with the largest size being tennis ball size.

Began near Johnstown (42.4205, -100.0550).

Other tornadoes from the same storm system

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

EF3 Cherry CountyEF1 Cherry CountyEF0 Cherry CountyEF0 Brown CountyEF0 Thomas CountyEF0 Brown County

Source: NOAA Storm Events Database, event 335925. Narratives are written by the National Weather Service forecast office that issued the report.

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