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EF1 tornado in Morgan County, Missouri

Tornado April 17, 2026 · Morgan County, Missouri

EF1
Rating
7.3 mi
Path length
300 yd
Path width
$50K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 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 combination of ground National Weather Service surveys and Sentinel-2 satellite data concluded an EF1 tornado occurred 2 miles north of Gravois Mills. Several trees were uprooted in a cyclonic pattern and multiple other trees and limbs were damaged along the tornado's path. A window on a home was broken and two outbuildings suffered damage. Along the slightly over 7 mile track of the tornado maximum winds were 90mph with a width of 300 yards.

The wider storm

A vigorous low-pressure system and cold front pushed through the Plains and the Ozarks, interacting with a warm, moist air mass as a strong upper-level trough and a veered wind profile created high wind shear and instability. This set the stage for supercellular development that evolved into bowing line segments. This setup brought destructive straight-line wind gusts of 60-70 mph, with isolated gusts reaching up to 75 mph. Hail up to 2 inches occurred and 5 tornadoes touched down in Benton and Morgan Counties.

Began near Zwanzig (38.3000, -92.9000).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1329359. Narratives are written by the National Weather Service forecast office that issued the report.

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