Alert archive / Illinois / Flash Flood Watches / 2009
Flash Flood Watches in Illinois, March 2009
8 flash flood watches in March 2009. 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 March 2009. Tap one for its archive.
- Flash Flood Watches
- 8
- Busiest day
- March 9, 20094 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 |
|---|---|---|---|---|
| Mar 6, 11:21 AM CST | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 51 hr |
| Mar 6, 3:05 PM CST | Flash Flood Watch | ILX | Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more | 47 hr |
| Mar 6, 3:28 PM CST | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 48 hr |
| Mar 7, 9:54 PM CST | Flash Flood Watch | LSX | Adams | 8 hr |
| Mar 9, 3:03 AM CDT | Flash Flood Watch | ILX | Fulton, Knox, McLean, Marshall, Mason, Peoria and 4 more | 33 hr |
| Mar 9, 3:39 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 24 hr |
| Mar 9, 4:19 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 6 more | 32 hr |
| Mar 9, 4:25 AM CDT | Flash Flood Watch | LSX | Adams, Brown | 27 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bureau County2
- Carroll County2
- Hancock County2
- Henderson County2
- Henry County2
- McDonough County2
- Mercer County2
- Putnam County2
- Rock Island County2
- Stephenson County2
- Warren County2
- Whiteside County2
- Fulton County2
- Knox County2
- McLean County2
- Marshall County2
- Peoria County2
- Stark County2
- Tazewell County2
- Woodford County2
- Boone County2
- DeKalb County2
- DuPage County2
- Ford County2
- Grundy County2
- Iroquois County2
- Kane County2
- Kankakee County2
- Kendall County2
- Lake County2
- LaSalle County2
- Lee County2
- Livingston County2
- McHenry County2
- Ogle County2
- Winnebago County2
- Adams County2
- Jo Daviess County1
- Mason County1
- Schuyler County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.