Alert archive / Illinois / River Flood Warnings in 2017

River Flood Warning 65, NWS Chicago, IL

April 30, 2017Cook County, Illinois

NWS Chicago, IL issued this river flood warning at Apr 30, 2017, 11:22 AM CDT for Cook County, Illinois. It took effect at Apr 30, 2017, 2:00 PM CDT. It was in force for 68 hr.

The area

The counties it named.

The facts

Issued: Apr 30, 2017, 11:22 AM CDT (16:22 UTC)
In effect from: Apr 30, 2017, 2:00 PM CDT
Expired: May 3, 2017, 10:00 AM CDT
In force: 68 hr
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Flood severity: Moderate

County Cook County, IL

The radar

The Chicago radar (KLOT), 49 km from the middle of the area, began a volume at 16:21 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 Des Plaines River at Riverside (RVRI2). The gauge peaked at 7.36 ft at May 1, 2017, 2:00 PM CDT.

Action stage: 7 ft
Minor stage: 7.5 ft
Moderate stage: 8 ft
Major stage: 9 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05532500, 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
Apr 29, 7:04 PM CDT	Areal Flood Advisory	LOT	Cook, DeKalb, DuPage, Grundy, Kane, Kendall and 4 more	3 hr
Apr 29, 8:50 PM CDT	Areal Flood Warning	LOT	Grundy, Kendall, LaSalle, Livingston	6 hr
Apr 29, 9:02 PM CDT	River Flood Warning	LOT	Will	4 days
Apr 29, 9:02 PM CDT	River Flood Warning	LOT	Kane, Kendall	6 days
Apr 29, 9:02 PM CDT	River Flood Warning	LOT	LaSalle	5 days
Apr 29, 9:08 PM CDT	River Flood Advisory	LOT	Cook	60 hr
Apr 29, 9:14 PM CDT	River Flood Warning	LOT	Grundy	6 days
Apr 29, 9:14 PM CDT	River Flood Warning	LOT	LaSalle	7 days
Apr 29, 9:14 PM CDT	River Flood Warning	LOT	Bureau, LaSalle, Putnam	20 days
Apr 30, 3:23 AM CDT	River Flood Warning	LOT	LaSalle	3 days
Apr 30, 6:51 AM CDT	River Flood Warning	LOT	Will	3 days
Apr 30, 7:34 AM CDT	River Flood Warning	LOT	DuPage	41 hr
Apr 30, 9:43 AM CDT	River Flood Advisory	LOT	Boone	63 hr
Apr 30, 9:55 AM CDT	River Flood Warning	LOT	Winnebago	66 hr
Apr 30, 10:01 AM CDT	River Flood Advisory	LOT	Ogle	6 days
Apr 30, 10:07 AM CDT	River Flood Advisory	LOT	Lee	5 days
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Lake	6 days
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Lake	6 days
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Cook	62 hr
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Kane, McHenry	4 days
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Iroquois	4 days
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Grundy	35 hr
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Iroquois	58 hr
Apr 30, 11:41 AM CDT	River Flood Advisory	LOT	Lake	67 hr
Apr 30, 11:41 AM CDT	River Flood Advisory	LOT	Cook	72 hr
Apr 30, 11:41 AM CDT	River Flood Advisory	LOT	Will	70 hr
Apr 30, 11:41 AM CDT	River Flood Advisory	LOT	Grundy, Will	4 days
Apr 30, 3:12 PM CDT	Gale Watch	LOT		12 hr
Apr 29, 7:54 PM CDT	Special Weather Statement	LOT	Benton	51 min
Apr 30, 10:17 AM CDT	River Flood Warning	LOT	Lake	55 hr
Apr 30, 11:22 AM CDT	River Flood Warning	LOT	Lake, Newton	16 days
Apr 30, 11:41 AM CDT	River Flood Advisory	LOT	Jasper	50 hr
Apr 30, 11:41 AM CDT	River Flood Advisory	LOT	Newton	9 days

Nearby

River Flood Warnings in Illinois, 2017 Every 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.