Alert archive / Illinois / River Flood Advisories in 2017

River Flood Advisory 49, NWS Chicago, IL

March 31, 2017Ogle County, Illinois

NWS Chicago, IL issued this river flood advisory at Mar 31, 2017, 9:53 AM CDT for Ogle County, Illinois. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Mar 31, 2017, 9:53 AM CDT (14:53 UTC)
Expired
Apr 1, 2017, 9:46 PM CDT
In force
36 hr
Issued by
NWS Chicago, IL
Area
Storm-based polygon

County Ogle County, IL

The radar

The Chicago radar (KLOT), 113 km from the middle of the area, began a volume at 14:52 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 Byron (BYRI2). The gauge peaked at 10.40 ft at Apr 1, 2017, 7:00 AM CDT.

actionminormoderate810121403/3104/0104/0204/03
Action stage
10.5 ft
Minor stage
13 ft
Moderate stage
14 ft
Major stage
16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05440700, 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.

IssuedProductOfficeCountiesLasted
Mar 30, 7:01 PM CDTAreal Flood AdvisoryLOTBoone, Cook, DeKalb, DuPage, Grundy, Kane and 9 more5 hr
Mar 30, 9:01 PM CDTRiver Flood AdvisoryLOTBoone36 hr
Mar 30, 9:10 PM CDTSmall Craft AdvisoryLOT37 hr
Mar 30, 9:37 PM CDTRiver Flood WarningLOTLake33 hr
Mar 30, 9:37 PM CDTRiver Flood WarningLOTCook33 hr
Mar 30, 9:59 PM CDTRiver Flood WarningLOTGrundy35 hr
Mar 31, 9:22 AM CDTRiver Flood AdvisoryLOTLake36 hr

Nearby

River Flood Advisories in Illinois, 2017Every river flood advisory 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.