Alert archive / Illinois / River Flood Watches / 2009
River Flood Watches in Illinois, May 2009
6 river flood watches in May 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 river flood watches reaches back to 2005.
River Flood Watches by county
Each county as a circle sized by its count in May 2009. Tap one for its archive.
- River Flood Watches
- 6
- Busiest day
- May 13, 20094 river 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 13, 9:33 AM CDT | River Flood Watch | LOT | Winnebago | 11 hr |
| May 13, 9:33 AM CDT | River Flood Watch | LOT | Winnebago | 11 hr |
| May 13, 10:06 AM CDT | River Flood Watch | MKX | Lake | 20 hr |
| May 13, 4:08 PM CDT | River Flood Watch | LOT | LaSalle | 5 hr |
| May 14, 5:33 AM CDT | River Flood Watch | LOT | Iroquois | 5 hr |
| May 15, 8:54 AM CDT | River Flood Watch | LOT | Winnebago | 13 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
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.