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EF1 tornado in Otoe County, Nebraska

Tornado December 15, 2021 · Otoe County, Nebraska

EF1
Rating
0.1 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 brief EF-1 tornado snapped power poles. Swirling was noted in corn fields north and south of County Road C.

The wider storm

A low pressure system brought strong (both thunderstorm, and non-thunderstorm) winds, tornadoes, dust, snow, and record temperatures into eastern Nebraska and western Iowa. The event was determined to be a derecho meeting the criteria of wind damage extending more than 250 miles, including wind gusts of at least 58 mph and numerous gusts of at least 75 mph.

Began near Elberon (40.7500, -95.9300).

Other tornadoes from the same storm system

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

EF2 Cuming CountyEF2 Cuming CountyEF2 Cass CountyEF2 Saline CountyEF2 Cass CountyEF2 Platte CountyEF1 Platte CountyEF1 Colfax CountyEF1 Cuming CountyEF1 Saunders CountyEF1 Saunders CountyEF1 Cuming CountyEF1 Pawnee CountyEF1 Pawnee CountyEF1 Cuming CountyEF0 Pawnee County

Source: NOAA Storm Events Database, event 998215. Narratives are written by the National Weather Service forecast office that issued the report.

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