EF0 tornado in Pottawatomie County, Oklahoma

Tornado May 19, 2013 · Pottawatomie County, Oklahoma

EF0

Rating

7.2 mi

Whole path

250 yd

Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 250 yards (0.14 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 tornado began about just south of the Pottawatomie-Lincoln County line damaging some trees before moving into Lincoln County.

The wider storm

A moist and very unstable airmass was in place over the eastern two thirds of Oklahoma, to the east of a dryline. Additionally, strong wind shear was present as a mid-level jet streak carved into the southern Plains. Several supercells developed along the dryline during the mid and late afternoon hours, producing large hail. Two supercells in central Oklahoma also produced tornadoes, including a few significant, damaging tornadoes.

Began near Johnson (35.4580, -96.7950).

Other tornadoes from the same storm system

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

EF4 Pottawatomie County 2 dead EF3 Oklahoma County EF1 Oklahoma County EF1 Oklahoma County EF1 Lincoln County EF0 Pottawatomie County

Source: NOAA Storm Events Database, event 451515. Narratives are written by the National Weather Service forecast office that issued the report.

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