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EF1 tornado in Clark County, Kansas

Tornado April 14, 2012 · Clark County, Kansas

EF1
Rating
6.3 mi
Path length
150 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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 tornado took out some trees but there were no structures involved.

The wider storm

A vigorous upper level system combined with copious moisture and an advancing warm front to produce widespread thunderstorms, some producing tornadoes.

Began near Clark State Lake (37.4075, -99.7438).

Other tornadoes from the same storm system

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

EF3 Kiowa CountyEF1 Pawnee CountyEF1 Rush CountyEF1 Ford CountyEF1 Edwards CountyEF1 Comanche CountyEF1 Stafford CountyEF1 Stafford CountyEF1 Stafford CountyEF1 Pawnee CountyEF0 Pratt CountyEF0 Pratt CountyEF0 Rush County

Source: NOAA Storm Events Database, event 380477. Narratives are written by the National Weather Service forecast office that issued the report.

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