Thunderstorms moved across Illinois on Tuesday, April 19, 2011, causing widespread damage from tornadoes, hail, and high winds. See map below. In Illinois alone, there were 15 reports of tornadoes – six in Macoupin County, six in Montgomery County, two in Christian County, and one in Vermilion County.
Hail amounts up to 2.75 inches in diameter were reported as well. The 2.75 inch hail fell in Roodhouse in Green County, followed closely in size by 2.5 inch hail in Golden Eagle in Calhoun County. A complete list of storm reports for April 19 is found at the Storm Prediction Center page for April 19.
The NWS is now conducting damage surveys:
- St. Louis NWS office survey
[April 21: I added a map of SPC storm reports for the Midwest.]