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EF1 tornado in Cleveland County, Oklahoma

Tornado May 21, 2019 · Cleveland County, Oklahoma

EF1

Rating

4.1 mi

Path length

50 yd

Path width

$6K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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 with a Quasi-Linear Convective system developed near E Alameda Street between 48th Avenue NE and 60th Avenue NE. It moved north-northeast to just east of 60th Avenue NE and Rock Creek Road, then turned north and then northwest dissipating about one-half mile northwest of 60th Avenue NE and Tecumseh Road. A number of trees were damaged along the path.

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 Norman (35.2180, -97.3610).

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 830433. Narratives are written by the National Weather Service forecast office that issued the report.

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