Alert archive / Illinois / River Flood Warnings in 2011
River Flood Warning 1, NWS Chicago, IL
NWS Chicago, IL issued this river flood warning at Feb 17, 2011, 10:36 AM CST for Bureau County, LaSalle County, Illinois. It took effect at Feb 18, 2011, 10:48 PM CST. It was in force for 6 days.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2011, 10:36 AM CST (16:36 UTC)
- In effect from
- Feb 18, 2011, 10:48 PM CST
- Expired
- Feb 24, 2011, 8:06 PM CST
- In force
- 6 days
- Issued by
- NWS Chicago, IL
- Flood severity
- Minor
Counties Bureau County, IL, LaSalle County, IL
The radar
The Chicago radar (KLOT), 97 km from the middle of the area, began a volume at 16:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Illinois River near La Salle (LSLI2).
- Action stage
- 19 ft
- Minor stage
- 20 ft
- Moderate stage
- 27 ft
- Major stage
- 31 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 411925089063901, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 8:32 PM CST | Dense Fog Advisory | LOT | Boone, DeKalb, Kane, Lake, Lee, McHenry and 2 more | 6 hr |
| Feb 17, 9:35 AM CST | River Flood Advisory | LOT | Cook | 34 hr |
| Feb 17, 9:35 AM CST | River Flood Advisory | LOT | Will | 12 hr |
| Feb 17, 9:35 AM CST | River Flood Advisory | LOT | Iroquois | 43 hr |
| Feb 17, 9:53 AM CST | River Flood Advisory | LOT | LaSalle | 58 hr |
| Feb 17, 11:02 AM CST | River Flood Advisory | LOT | LaSalle | 3 days |
| Feb 17, 2:35 PM CST | Gale Warning | LOT | 42 hr |
Nearby
River Flood Warnings in Illinois, 2011Every river flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.