Alert archive / Illinois / Severe Thunderstorm Watches / 2009
Severe Thunderstorm Watches in Illinois, February 2009
2 severe thunderstorm watches in February 2009. 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in February 2009. Tap one for its archive.
- Severe Thunderstorm Watches
- 2
- Busiest day
- February 26, 20091 severe thunderstorm watches
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 |
|---|---|---|---|---|
| Feb 26, 5:19 PM CST | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 4 more | 7 hr |
| Feb 26, 8:46 PM CST | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Jackson, Jefferson, Johnson, Perry and 5 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County1
- Brown County1
- Calhoun County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Monroe County1
- Pike County1
- Saint Clair County1
- Alexander County1
- Franklin County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Perry County1
- Pulaski County1
- Randolph County1
- Union County1
- Washington County1
- Williamson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.