EF0 tornado in Kingfisher County, Oklahoma

Tornado May 20, 2019 · Kingfisher County, Oklahoma

EF0

Rating

1.4 mi

Whole path

20 yd

Path width

NOAA records this tornado county by county. Its path ran through Kingfisher County → Logan County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 20 yards (0.01 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 chaser on Oklahoma Highway 51 observed and recorded a tornado developing to his northwest as a thunderstorm interacted with a strong cold front. Although the chaser was only a few hundred yards southwest of the tornado, he was on the cold side of the front and had reported that the temperature had dropped from 73 to 57 just moments before the tornado developed. The tornado moved into northwestern Logan County before dissipating. No damage was reported.

The wider storm

An extremely unstable environment led to widespread severe weather across Texas and Oklahoma on the 20th into the morning of the 21st.

Began near Hennessey (36.1230, -97.6900).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 831173. Narratives are written by the National Weather Service forecast office that issued the report.

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