EF1 tornado in Hamilton County, Illinois
Tornado April 19, 2011 · Hamilton County, Illinois
The path drawn at its surveyed width of 150 yards (0.09 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.
What the National Weather Service wrote
Hundreds of trees were uprooted, and a small grain bin was destroyed. Peak winds were estimated near 90 mph. The average path width was 150 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 Mc Leansboro (38.0386, -88.4520).
Other tornadoes from the same storm system
10 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 289122. Narratives are written by the National Weather Service forecast office that issued the report.
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