Thunderstorm Wind in Perry County, Illinois
Thunderstorm Wind October 19, 2025 · Perry County, Illinois
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Thunderstorm winds blew down power lines and damaged crops 4 miles southeast of DuQuoin.
The wider storm
A small cluster of thunderstorms developed and moved all the way across southern Illinois in the early morning. The storms formed just ahead of a strong, sharp 500mb trough in an area of strong upper divergence associated with a small 120kt 300mb jet. Most unstable CAPE was only around 250J/kg, but mid-level lapse rates were 6.5-7 C/km and low-level lapse rates were 6-6.5 C/km. Right near the trough line, the shear was negligible. The storms began to produce damaging winds across eastern portions of Perry County and then solidified into a persistent bow echo over Franklin County. It produced damaging winds as it moved northeast through McLeansboro and into White county.
Began near Old Duquoin (37.9824, -89.2045).
Source: NOAA Storm Events Database, event 1298145. Narratives are written by the National Weather Service forecast office that issued the report.
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