Thunderstorm Wind in Johnson County, Illinois

Thunderstorm Wind May 20, 2025 · Johnson County, Illinois

90 mph

Estimated gust (78 kt)

$5K

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Straight line wind damage occurred to several trees along Pleasant Grove Rd southwest of Buncombe, following the lifting of a tornado, including trees that snapped or were uprooted.

The wider storm

A squall line pushed eastward overnight across the warm sector of a low pressure system in Iowa. A surging portion of the line produced wind damage in portions of Southern Illinois, including the formation of a brief tornado in eastern Union County. MLCAPE was around 1000-1500J/kg, effective bulk shear was 40-50kts, and 0-3km SRH was 200-300m2/s2, with dewpoints in the mid to upper 60s.

Began near Buncombe (37.4649, -88.9998).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF1 Union County

Source: NOAA Storm Events Database, event 1272617. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.