Alert archive / Illinois / Flash Flood Watches / 2010
Flash Flood Watches in Illinois, May 2010
8 flash flood watches in May 2010. 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 May 2010. Tap one for its archive.
- Flash Flood Watches
- 8
- Busiest day
- May 12, 20103 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 |
|---|---|---|---|---|
| May 1, 3:54 AM CDT | Flash Flood Watch | LSX | Bond, Clinton, Fayette, Marion, Monroe, Randolph and 2 more | 23 hr |
| May 10, 3:09 PM CDT | Flash Flood Watch | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 2 more | 13 hr |
| May 10, 3:42 PM CDT | Flash Flood Watch | LSX | Adams | 12 hr |
| May 12, 3:03 AM CDT | Flash Flood Watch | ILX | Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more | 36 hr |
| May 12, 3:47 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 32 hr |
| May 12, 4:49 AM CDT | Flash Flood Watch | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 1 more | 35 hr |
| May 17, 8:38 AM CDT | Flash Flood Watch | ILX | Sangamon | 46 hr |
| May 25, 3:08 PM CDT | Flash Flood Watch | DVN | Carroll, Jo Daviess, Mercer, Rock Island, Stephenson | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mercer County3
- Rock Island County3
- Hancock County2
- Henderson County2
- Henry County2
- McDonough County2
- Warren County2
- Whiteside County2
- Adams County2
- Sangamon County2
- Carroll County2
- Jo Daviess County2
- Stephenson County2
- Bond County1
- Clinton County1
- Fayette County1
- Marion County1
- Monroe County1
- Randolph County1
- Saint Clair County1
- Washington County1
- Cass County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Woodford County1
- Bureau County1
- Putnam County1
- Brown County1
- Calhoun County1
4 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.