Alert archive / Illinois / Areal Flood Warnings / 2020
Areal Flood Warnings in Illinois, May 2020
8 areal flood warnings 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 areal flood warnings reaches back to 2005.
Areal Flood Warnings by county
Each county as a circle sized by its count in May 2020. Tap one for its archive.
- Areal Flood Warnings
- 8
- Busiest day
- May 15, 20204 areal flood 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 |
|---|---|---|---|---|
| May 15, 1:20 AM CDT | Areal Flood Warning | LOT | DeKalb, Kendall, LaSalle, Lee, Ogle | 9 hr |
| May 15, 3:01 AM CDT | Areal Flood Warning | LOT | Grundy, Kankakee, Livingston | 6 hr |
| May 15, 4:05 AM CDT | Areal Flood Warning | LOT | Cook, DeKalb, DuPage, Kane | 6 hr |
| May 15, 4:14 AM CDT | Areal Flood Warning | LOT | Lake, McHenry | 6 hr |
| May 16, 6:49 PM CDT | Areal Flood Warning | ILX | Morgan, Scott | 12 hr |
| May 17, 10:56 AM CDT | Areal Flood Warning | ILX | Sangamon | 6 hr |
| May 17, 10:10 PM CDT | Areal Flood Warning | LOT | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more | 30 hr |
| May 26, 12:23 AM CDT | Areal Flood Warning | ILX | Peoria, Tazewell, Woodford | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- DeKalb County3
- Kendall County2
- LaSalle County2
- Grundy County2
- Kankakee County2
- Livingston County2
- Cook County2
- DuPage County2
- Kane County2
- Lake County2
- McHenry County2
- Lee County1
- Ogle County1
- Morgan County1
- Scott County1
- Sangamon County1
- Ford County1
- Iroquois County1
- Will County1
- Peoria County1
- Tazewell County1
- Woodford 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.