Alert archive / Illinois / River Flood Warnings in 2017
River Flood Warning 83, NWS Chicago, IL
NWS Chicago, IL issued this river flood warning at May 11, 2017, 3:16 AM CDT for Will County, Illinois. It took effect at May 11, 2017, 4:22 AM CDT. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2017, 3:16 AM CDT (08:16 UTC)
- In effect from
- May 11, 2017, 4:22 AM CDT
- Expired
- May 12, 2017, 8:58 AM CDT
- In force
- 29 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- Minor
County Will County, IL
The radar
The Chicago radar (KLOT), 20 km from the middle of the area, began a volume at 08:17 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 East Branch Du Page River at Bolingbrook (BOLI2). The gauge peaked at 20.16 ft at May 11, 2017, 3:00 PM CDT.
- Action stage
- 18 ft
- Minor stage
- 20 ft
- Moderate stage
- 22 ft
- Major stage
- 24 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05540250, 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 |
|---|---|---|---|---|
| May 10, 9:12 PM CDT | River Flood Advisory | LOT | Kane, McHenry | 52 hr |
| May 10, 9:12 PM CDT | River Flood Advisory | LOT | LaSalle | 34 hr |
| May 10, 9:13 PM CDT | Small Craft Advisory | LOT | 12 hr | |
| May 10, 9:45 PM CDT | River Flood Warning | LOT | Kane, Kendall | 45 hr |
| May 10, 10:38 PM CDT | River Flood Advisory | LOT | Will | 32 hr |
| May 11, 7:32 AM CDT | River Flood Warning | LOT | LaSalle | 53 hr |
| May 11, 9:10 AM CDT | River Flood Advisory | LOT | Ogle | 4 days |
| May 11, 9:10 AM CDT | River Flood Advisory | LOT | Lee | 67 hr |
| May 11, 10:49 AM CDT | River Flood Warning | LOT | LaSalle | 53 hr |
Nearby
River Flood Warnings in Illinois, 2017Every river flood warning in 2017
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.