Alert archive / Illinois / Frost Advisories / 2020
Frost Advisories in Illinois, May 2020
9 frost advisories in May 2020. 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 2020. Tap one for its archive.
- Frost Advisories
- 9
- Busiest day
- May 10, 20204 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 8, 3:16 AM CDT | Frost Advisory | DVN | Hancock | 29 hr |
| May 8, 3:32 AM CDT | Frost Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 28 hr |
| May 8, 3:59 AM CDT | Frost Advisory | PAH | Alexander, Jackson, Johnson, Massac, Perry, Pope and 2 more | 28 hr |
| May 10, 2:35 PM CDT | Frost Advisory | LOT | Lee, Ogle, Winnebago | 8 hr |
| May 10, 2:36 PM CDT | Frost Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 16 hr |
| May 10, 2:43 PM CDT | Frost Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 4 more | 17 hr |
| May 10, 3:12 PM CDT | Frost Advisory | ILX | Cass, Fulton, Knox, Logan, Marshall, Mason and 9 more | 12 hr |
| May 11, 2:02 PM CDT | Frost Advisory | DVN | Carroll, Jo Daviess, Stephenson | 18 hr |
| May 11, 2:45 PM CDT | Frost Advisory | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 7 more | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hancock County2
- Adams County2
- Brown County2
- Calhoun County2
- Greene County2
- Jersey County2
- Macoupin County2
- Madison County2
- Monroe County2
- Pike County2
- Saint Clair County2
- Ogle County2
- Winnebago County2
- Carroll County2
- Jo Daviess County2
- Stephenson County2
- Bond County1
- Clinton County1
- Fayette County1
- Marion County1
- Montgomery County1
- Randolph County1
- Washington County1
- Alexander County1
- Jackson County1
- Johnson County1
- Massac County1
- Perry County1
- Pope County1
- Pulaski County1
- Union County1
- Lee County1
- Bureau County1
- Henderson County1
- Henry County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Warren County1
27 more counties
- Whiteside County1
- 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
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Grundy County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- McHenry County1
- Will County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.