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EF0 tornado in St. Clair County, Illinois

Tornado April 15, 2023 · St. Clair County, Illinois

EF0
Rating
4.2 mi
Whole path
90 yd
Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 90 yards (0.05 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 at 7:03 PM CDT at the intersection of West E Street and N 7th Street and tracked to the north northeast. Damage was limited to trees and power lines. The tornado lifted and dissipated on Anna Street just east of Helen Street. The tornado was rated EF0 with a max wind speed of 85 mph. The path length was 1.12 miles and a max path width of 90 yards. No deaths or injuries were reported.

The wider storm

Several strong to severe thunderstorms moved into eastern Missouri in the afternoon hours of April 15th. These storms were initially producing copious large hail, but rapidly transitioned into tornadic storms. The first tornado was associated with a supercell ahead of a congealing line of convection moving rapidly toward the Mississippi River. A portion of this line of storms rapidly surged eastward, resulting in numerous tornadoes in Jefferson county in Missouri, and Monroe, Madison, St. Clair, and Washington counties in Illinois. In total, 12 tornadoes have been identified, including 3 EF-1s, 6 EF-0s, and 3 tornadoes of unknown intensity that produced no damage.

Began near Belleville (38.5195, -89.9928).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 1094931. Narratives are written by the National Weather Service forecast office that issued the report.

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