Alert archive / Illinois / River Flood Warnings in 2011

River Flood Warning 19, NWS Chicago, IL

March 23, 2011Winnebago County, Illinois

NWS Chicago, IL issued this river flood warning at Mar 23, 2011, 4:28 AM CDT for Winnebago County, Illinois. It took effect at Mar 27, 2011, 1:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Mar 23, 2011, 4:28 AM CDT (09:28 UTC)
In effect from: Mar 27, 2011, 1:00 AM CDT
Expired: Mar 23, 2011, 9:18 PM CDT
In force
Issued by: NWS Chicago, IL
Flood severity: Minor

County Winnebago County, IL

The radar

The Milwaukee radar (KMKX), 86 km from the middle of the area, began a volume at 09:28 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 Rock River at Rockton (ROKI2).

Action stage: 8.5 ft
Minor stage: 10 ft
Moderate stage: 11 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05437500, 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 23, 12:00 AM CDT	Special Weather Statement	LOT	Boone, Lee, Ogle, Winnebago	30 min
Mar 23, 1:08 AM CDT	Small Craft Advisory	LOT		50 hr
Mar 23, 4:28 AM CDT	River Flood Warning	LOT	Kane, McHenry	6 days
Mar 22, 9:31 PM CDT	River Flood Watch	LOT	Lake, Newton	13 hr
Mar 23, 10:44 AM CDT	River Flood Advisory	LOT	Lake, Newton	10 hr

Nearby

River Flood Warnings in Illinois, 2011 Every 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.