Alert archive / Illinois / Excessive Heat Warnings / 2011
Excessive Heat Warnings in Illinois, August 2011
3 excessive heat warnings in August 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in August 2011. Tap one for its archive.
- Excessive Heat Warnings
- 3
- Busiest day
- August 2, 20112 excessive heat warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:20 PM CDT | Excessive Heat Warning | ILX | Cass, Fulton, Knox, Logan, Marshall, Mason and 9 more | 28 hr |
| Aug 2, 3:50 AM CDT | Excessive Heat Warning | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 18 hr |
| Aug 2, 3:46 PM CDT | Excessive Heat Warning | PAH | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 7 more | 28 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cass County1
- Fulton County1
- Knox County1
- Logan County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Woodford County1
- Bureau County1
- Hancock County1
- Henderson County1
- Henry County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Warren County1
- Alexander County1
- Franklin County1
- Gallatin County1
- Hardin County1
- Jackson County1
- Johnson County1
- Massac County1
- Perry County1
- Pope County1
- Pulaski County1
- Saline County1
- Union County1
- Williamson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.