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EF0 tornado in Jackson County, Illinois

Tornado April 19, 2011 · Jackson County, Illinois

EF0
Rating
3.9 mi
Path length
100 yd
Path width
$70K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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

The weak tornado destroyed several carports, a small camper, and a small garage in Dowell. Numerous trees were uprooted. Numerous homes and barns received some roof damage. An amateur radio tower was bent over. Peak winds were estimated near 75 mph. The average path width was 50 yards.

The wider storm

Thunderstorms organized into a bow echo that produced widespread very damaging winds and isolated tornadoes. A shortwave trough over the central and southern high Plains moved northeast through the Mid-Mississippi Valley into the upper Great Lakes. A surface low attendant to this system moved from west central Missouri northeast to north of St. Louis. The trailing cold front advanced southeast across the Lower Ohio Valley and served as the primary focus for thunderstorms.

Began near Elkville (37.9000, -89.2630).

Other tornadoes from the same storm system

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

EF2 Wayne CountyEF2 Wabash CountyEF2 White CountyEF1 Franklin CountyEF1 Jefferson CountyEF1 Jefferson CountyEF1 Hamilton CountyEF1 Wabash CountyEF1 White CountyEF1 Franklin County

Source: NOAA Storm Events Database, event 289117. Narratives are written by the National Weather Service forecast office that issued the report.

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