Alert archive / Illinois / River Flood Advisories in 2019

River Flood Advisory 252, NWS Chicago, IL

October 26, 2019LaSalle County, Illinois

NWS Chicago, IL issued this river flood advisory at Oct 26, 2019, 11:16 AM CDT for LaSalle County, Illinois. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Oct 26, 2019, 11:16 AM CDT (16:16 UTC)
Expired
Oct 27, 2019, 10:35 AM CDT
In force
23 hr
Issued by
NWS Chicago, IL
Area
Storm-based polygon

County LaSalle County, IL

The radar

The Chicago radar (KLOT), 73 km from the middle of the area, began a volume at 16:20 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.

IssuedProductOfficeCountiesLasted
Oct 26, 3:24 AM CDTGale WarningLOT30 hr
Oct 26, 3:24 AM CDTSmall Craft AdvisoryLOT31 hr
Oct 26, 3:51 AM CDTLakeshore Flood AdvisoryLOTLake25 hr
Oct 26, 10:04 AM CDTFlood WatchLOTDeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 5 more16 hr
Oct 26, 11:01 AM CDTRiver Flood AdvisoryLOTWill12 hr
Oct 26, 11:07 AM CDTRiver Flood AdvisoryLOTKane, Kendall11 hr
Oct 26, 11:10 AM CDTRiver Flood AdvisoryLOTLaSalle21 hr
Oct 26, 11:12 AM CDTRiver Flood AdvisoryLOTOgle11 days
Oct 26, 11:18 AM CDTRiver Flood AdvisoryLOTBureau, LaSalle, Putnam11 hr
Oct 26, 3:43 PM CDTSmall Craft AdvisoryLOT23 hr

Nearby

River Flood Advisories in Illinois, 2019Every river flood advisory in 2019

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.