Alert archive / Illinois / River Flood Watches / 2017
River Flood Watches in Illinois, May 2017
17 river flood watches in May 2017. 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 2017. Tap one for its archive.
- River Flood Watches
- 17
- Busiest day
- May 23, 20174 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 1, 11:01 AM CDT | River Flood Watch | DVN | Hancock | 4 days |
| May 8, 8:15 PM CDT | River Flood Watch | LOT | Kane, Kendall | 4 days |
| May 9, 10:39 AM CDT | River Flood Watch | LOT | Iroquois | 48 hr |
| May 10, 12:00 PM CDT | River Flood Watch | LOT | LaSalle | 3 days |
| May 19, 11:39 AM CDT | River Flood Watch | DVN | Henderson, Mercer | 5 days |
| May 19, 9:12 PM CDT | River Flood Watch | DVN | Henderson | 24 hr |
| May 21, 10:57 AM CDT | River Flood Watch | DVN | Jo Daviess | 50 hr |
| May 22, 10:42 AM CDT | River Flood Watch | DVN | Rock Island, Whiteside | 50 hr |
| May 22, 10:42 AM CDT | River Flood Watch | DVN | Rock Island | 50 hr |
| May 22, 10:42 AM CDT | River Flood Watch | DVN | Mercer | 50 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Carroll, Whiteside | 46 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Rock Island | 24 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Rock Island | 24 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Mercer, Rock Island | 24 hr |
| May 24, 12:16 PM CDT | River Flood Watch | DVN | Carroll, Jo Daviess | 8 days |
| May 24, 12:16 PM CDT | River Flood Watch | DVN | Hancock | 24 hr |
| May 28, 10:28 AM CDT | River Flood Watch | DVN | Hancock | 48 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 archive20162018
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.