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EF1 tornado in Osage County, Kansas

Tornado April 17, 2026 · Osage County, Kansas

EF1

Rating

1.1 mi

Path length

75 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 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

NWS tornado damage survey revealed a short path small tornado produced damage in the town of Olivet. A few outbuidings were damaged or destroyed and several large trees were uprooted or had broken branches. The damage was determined to be EF1 with winds to around 100-105 mph.

The wider storm

Severe storms developed along and ahead of a cold front late in the afternoon on Friday April 17th. Storms organized into a short line that begin to prouce damaging downdraft winds. A small tornado also formed on the northern side of the short line and produced damage in the town of Olivet in Osage County. A damage survey was done the next day and it was found to be EF1 damage mainly to outbuildings along with tree limb damage.

Began near Olivet (38.4800, -95.7600).

Source: NOAA Storm Events Database, event 1318861. Narratives are written by the National Weather Service forecast office that issued the report.

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