User:EF5/Testing chamber
< User:EF5
| Meteorological history | |
|---|---|
| Formed | September 14, 1928 |
| EF3+ tornado[a] | |
| Highest winds | 150 mph (240 km/h) |
| F4 tornado[b] | |
| Highest winds | >207 mph (333 km/h) |
| Overall effects | |
| Fatalities | 14 |
| Injuries | 100+ |
| Areas affected | Winnebago, Boone and McHenry County, Illinois |
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