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EF1 tornado in Morrison County, Minnesota

Tornado August 29, 2024 · Morrison County, Minnesota

EF1
Rating
7.5 mi
Path length
50 yd
Path width
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 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

The tornado hit several farms before moving into Lastrup and dissipating. It ripped most of the roof off of two barns west and northwest of Pierz, then continued northeast to Lastrup, where it knocked down or broke large limbs of dozens of trees and tore off half of the roof of an outbuilding. Drone video from the Sheriff's Office showed a convergent damage pattern in Lastrup, and the damage survey showed a convergent pattern at several locations before the tornado hit Lastrup.

The wider storm

A well-defined cold front associated with a strong upper-level low produced widespread wind damage and a few tornadoes throughout central and eastern Minnesota and western Wisconsin on August 29th, 2024. Four tornadoes occurred. There were also a number of downbursts, with some of the most significant downburst damage in Champlin, Anoka, and Cottage Grove.

Began near Genola (45.9688, -94.1680).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1211047. Narratives are written by the National Weather Service forecast office that issued the report.

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