Alert archive / Illinois / Blizzard Watches
Blizzard Watches in Illinois, 2009
4 blizzard watches in 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 blizzard watches reaches back to 2005.
Blizzard Watches by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Blizzard Watches
- 4
- Busiest month
- January3 blizzard watches
- Busiest day
- January 12, 20093 blizzard watches
Over time
By month
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 |
|---|---|---|---|---|
| Jan 12, 3:24 AM CST | Blizzard Watch | DVN | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 10 hr |
| Jan 12, 4:21 AM CST | Blizzard Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 7 hr |
| Jan 12, 3:40 PM CST | Blizzard Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 19 hr |
| Dec 7, 3:46 AM CST | Blizzard Watch | DVN | Carroll, Jo Daviess, Rock Island, Stephenson | 34 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County2
- Jo Daviess County2
- Rock Island County2
- Stephenson County2
- Boone County2
- DeKalb County2
- DuPage County2
- Grundy County2
- Kane County2
- Kendall County2
- Lake County2
- LaSalle County2
- Lee County2
- McHenry County2
- Ogle County2
- Winnebago County2
- Bureau County1
- Henry County1
- Mercer County1
- Putnam County1
- Whiteside County1
- Ford County1
- Iroquois County1
- Kankakee County1
- Livingston County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.