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EF1 tornado in Callaway County, Missouri

Tornado May 19, 2017 · Callaway County, Missouri

EF1
Rating
1.6 mi
Path length
50 yd
Path width
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 weak tornado formed one mile east of Williamsburg, Missouri along Old US 40 at a residence and business where two barns were damaged and another was destroyed. Two vehicles were also flipped at this location. Debris was tossed up to one mile down the tornado's path into the adjacent farm field and tree line. The tornado then crossed County Road 1031, snapping a power pole. The tornado dissipated shortly after crossing County Road 1033. Overall, the tornado was rated EF1 with a path length of 1.58 miles. Maximum path width was 50 yards. No deaths or injuries were reported with this tornado.

The wider storm

A complex of severe storms moved eastward along the I-70 corridor during the early morning hours of May 19th. There were two tornadoes as well as numerous damaging wind reports with this event.

Began near Williamsburg (38.9166, -91.6829).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF0 Montgomery County

Source: NOAA Storm Events Database, event 714503. Narratives are written by the National Weather Service forecast office that issued the report.

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