Alert archive / Illinois / River Flood Warnings in 2009
River Flood Warning 4, NWS Chicago, IL
NWS Chicago, IL issued this river flood warning at Feb 9, 2009, 1:45 PM CST for LaSalle County, Illinois. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Feb 9, 2009, 1:45 PM CST (19:45 UTC)
- Expired
- Feb 10, 2009, 2:01 PM CST
- In force
- 24 hr
- Issued by
- NWS Chicago, IL
- Flood severity
- Minor
County LaSalle County, IL
The radar
The Chicago radar (KLOT), 73 km from the middle of the area, began a volume at 19:45 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 Fox River at Dayton (DAYI2). The gauge peaked at 13.16 ft at Feb 10, 2009, 11:00 PM CST.
- Action stage
- 11 ft
- Minor stage
- 12 ft
- Moderate stage
- 14 ft
- Major stage
- 24 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05552500, 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 9, 3:53 AM CST | Freezing Fog Advisory | LOT | Lake, McHenry | 5 hr |
| Feb 9, 4:06 AM CST | Gale Watch | LOT | 12 hr | |
| Feb 9, 4:06 AM CST | Small Craft Advisory | LOT | 41 hr |
Nearby
River Flood Warnings in Illinois, 2009Every river flood warning in 2009
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.