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EF1 tornado in Nemaha County, Kansas

Tornado May 18, 2026 · Nemaha County, Kansas

EF1
Rating
7.0 mi
Whole path
100 yd
Path width

NOAA records this tornado county by county. Its path ran through Nemaha County → Richardson County, Nebraska; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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 storm survey revealed a tornado developed and moved northeast across far northeast Nemaha county damaging older farm outbuidlings and barns and snapping large tree limbs. The tornado appears to have continued into southeast Nebraska.

The wider storm

Supercell thunderstorms developed ahead of a dryline and near a warm front during the afternoon and evening hours of May 18. The storms produced 7 documented tornadoes and eventually evolved into a line of storms that produced damaging winds of 60-80 mph across northeast and east central Kansas. Some areas also received 2-5 inches of rain just two to three hours causing flash flooding in several areas including the city of Manhattan.

Began near Berwick (39.9600, -95.8900).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1325604. Narratives are written by the National Weather Service forecast office that issued the report.

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