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EF2 tornado in Lancaster County, Nebraska

Tornado December 15, 2021 · Lancaster County, Nebraska

EF2
Rating
23.7 mi
Whole path
70 yd
Path width

NOAA records this tornado county by county. Its path ran through Saline County → Seward County → Lancaster County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 70 yards (0.04 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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

This is segement 3 of 3 of an EF-2 tornado that crossed from Seward County into Lancaster County. After passing southeast of Pleasant Dale and crossed into Lancaster County, the tornado produced its most substantial damage, tearing off the top half of a 100 year old barn and pulling the barn itself from its rebar attachment to the foundation. Other outbuildings and grain bins were also damaged in this area. The tornado continued northeastward and passed near the southeast end of Pawnee Lake, damaging power poles in the area. The path continued northeastward, damaging trees and eventually crossing Highway 34 just east of Malcolm Road before dissipating shortly thereafter.

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 Pleasant Dale (40.7900, -96.9100).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 999648. Narratives are written by the National Weather Service forecast office that issued the report.

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