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EF0 tornado in Jefferson County, Missouri

Tornado March 7, 2017 · Jefferson County, Missouri

EF0
Rating
1.1 mi
Path length
75 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 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 touched down near Hillsboro High School where some trees were topped. It moved across the football field where bleachers, hurdles and other school equipment were destroyed and blown up to 300 yards down the track of the tornado. Tree damage continued from the back side of the Hillsboro High School toward the Jefferson County Fairgrounds. Several buildings, including barns and small outbuildings suffered major roof failures and numerous trees were uprooted across the fairgrounds with debris tossed up to 200 yards to the east northeast. The tornado continued east damaging the roof of a social services building and tossing insulation in the trees. It crossed Business Highway 21 topping more trees and causing minor roof damage to a number of homes on Micah Lane. The tornado dissipated near Lake Wauwanoka Road with only a few limbs broken off. Overall, the tornado was rated EF0 with a path length of 1.14 miles and a max path width of 75 yards.

The wider storm

As a cold front moved across the region, a squall line developed and moved rapidly east across the forecast area. There were numerous reports of damaging winds, large hail and 8 tornadoes.

Began near Hillsboro (38.2424, -90.5707).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 686692. Narratives are written by the National Weather Service forecast office that issued the report.

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