Alert archive / Illinois / Flash Flood Watches / 2015
Flash Flood Watches in Illinois, September 2015
3 flash flood watches in September 2015. 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in September 2015. Tap one for its archive.
- Flash Flood Watches
- 3
- Busiest day
- September 18, 20152 flash flood 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 |
|---|---|---|---|---|
| Sep 7, 3:24 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 28 hr |
| Sep 18, 3:43 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 23 hr |
| Sep 18, 3:51 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 20 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bureau County2
- Carroll County2
- Henry County2
- Jo Daviess County2
- Mercer County2
- Putnam County2
- Rock Island County2
- Stephenson County2
- Whiteside County2
- Hancock County1
- Henderson County1
- McDonough County1
- Warren County1
- Boone County1
- DeKalb County1
- DuPage County1
- Grundy County1
- Kane County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- McHenry County1
- Ogle County1
- Winnebago County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.