Alert archive / Illinois / River Flood Warnings in 2017
River Flood Warning 27, NWS Chicago, IL
NWS Chicago, IL issued this river flood warning at Mar 30, 2017, 11:29 AM CDT for LaSalle County, Illinois. It took effect at Mar 31, 2017, 4:00 AM CDT. It was in force for 47 hr.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2017, 11:29 AM CDT (16:29 UTC)
- In effect from
- Mar 31, 2017, 4:00 AM CDT
- Expired
- Apr 2, 2017, 3:00 AM CDT
- In force
- 47 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- 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 16:32 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 at Ottawa (OTWI2).
- Action stage
- 461 ft
- Minor stage
- 463 ft
- Moderate stage
- 467 ft
- Major stage
- 471 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record, 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 |
|---|---|---|---|---|
| Mar 29, 9:47 PM CDT | River Flood Watch | LOT | Lake | 24 hr |
| Mar 29, 9:47 PM CDT | River Flood Watch | LOT | Lake | 4 days |
| Mar 29, 9:54 PM CDT | River Flood Advisory | LOT | Will | 3 days |
| Mar 29, 10:11 PM CDT | River Flood Watch | LOT | LaSalle | 6 days |
| Mar 30, 5:49 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Will | 3 hr |
| Mar 30, 7:58 AM CDT | River Flood Warning | LOT | Cook | 38 hr |
| Mar 30, 8:02 AM CDT | River Flood Advisory | LOT | Cook | 36 hr |
| Mar 30, 9:45 AM CDT | River Flood Warning | LOT | Lake | 11 days |
| Mar 30, 9:45 AM CDT | River Flood Warning | LOT | Lake | 13 days |
| Mar 30, 9:45 AM CDT | River Flood Warning | LOT | Will | 48 hr |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Lake | 4 days |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Cook | 4 days |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Cook | 3 days |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Kankakee | 65 hr |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Will | 45 hr |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Kane, Kendall | 7 days |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | LaSalle | 4 days |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Grundy | 42 hr |
| Mar 30, 9:57 AM CDT | River Flood Advisory | LOT | Cook | 33 hr |
| Mar 30, 11:29 AM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 20 days |
| Mar 30, 11:32 AM CDT | River Flood Advisory | LOT | Grundy | 3 days |
| Mar 30, 1:08 PM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 9 more | 6 hr |
| Mar 30, 3:46 PM CDT | River Flood Warning | LOT | Kane, Kendall | 3 days |
| Mar 30, 3:46 PM CDT | River Flood Warning | LOT | LaSalle | 47 hr |
| Mar 30, 4:00 PM CDT | River Flood Advisory | LOT | Kane, McHenry | 4 days |
| Mar 30, 4:00 PM CDT | River Flood Advisory | LOT | Will | 36 hr |
| Mar 30, 4:00 PM CDT | River Flood Advisory | LOT | LaSalle | 62 hr |
| Mar 30, 5:46 PM CDT | Areal Flood Advisory | LOT | Ford, Iroquois, Kankakee | 6 hr |
| Mar 30, 7:58 AM CDT | River Flood Warning | LOT | Lake | 24 hr |
| Mar 30, 4:27 PM CDT | Special Weather Statement | LOT | Benton | 33 min |
| Mar 30, 5:03 PM CDT | Special Weather Statement | LOT | Benton | 12 min |
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.