Alert archive / Illinois / Frost Advisories / 2011
Frost Advisories in Illinois, May 2011
9 frost advisories in May 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in May 2011. Tap one for its archive.
- Frost Advisories
- 9
- Busiest day
- May 3, 20113 frost advisories
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 |
|---|---|---|---|---|
| May 1, 3:26 PM CDT | Frost Advisory | DVN | Jo Daviess | 15 hr |
| May 2, 3:33 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 15 hr |
| May 2, 4:02 PM CDT | Frost Advisory | LOT | Boone, DeKalb, Kane, LaSalle, Lee, McHenry and 2 more | 15 hr |
| May 3, 2:55 AM CDT | Frost Advisory | ILX | Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more | 29 hr |
| May 3, 3:36 AM CDT | Frost Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 4 more | 28 hr |
| May 3, 4:02 PM CDT | Frost Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 16 hr |
| May 4, 3:30 PM CDT | Frost Advisory | PAH | Wabash | 16 hr |
| May 16, 2:57 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more | 16 hr |
| May 16, 3:11 PM CDT | Frost Advisory | LOT | Boone, DeKalb, Grundy, Kane, Kendall, LaSalle and 5 more | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jo Daviess County3
- Boone County3
- DeKalb County3
- Kane County3
- LaSalle County3
- Lee County3
- McHenry County3
- Ogle County3
- Winnebago County3
- Bureau County2
- Carroll County2
- Henry County2
- Putnam County2
- Rock Island County2
- Stephenson County2
- Whiteside County2
- Grundy County2
- Kendall County2
- Hancock County1
- Henderson County1
- McDonough County1
- Mercer County1
- Warren County1
- Cass County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Woodford County1
- Adams 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. Rebuilt daily.