Alert archive / Illinois / River Flood Warnings in 2019

River Flood Warning 113, NWS Chicago, IL

May 24, 2019LaSalle County, Illinois

NWS Chicago, IL issued this river flood warning at May 24, 2019, 11:31 AM CDT for LaSalle County, Illinois. It took effect at May 25, 2019, 7:00 AM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: May 24, 2019, 11:31 AM CDT (16:31 UTC)
In effect from: May 25, 2019, 7:00 AM CDT
Expired: May 25, 2019, 11:01 AM CDT
In force: 4 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 16:34 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.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this river flood warning went out at May 23, 6:56 PM CDT, 16 hours 35 minutes earlier.

Area forecast discussion, May 23, 6:56 PM CDT, 16 hours 35 minutes before

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Hazardous weather outlook, May 23, 4:20 PM CDT, 19 hours 11 minutes before

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The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 9:05 PM CDT	River Flood Advisory	LOT	Kankakee	36 hr
May 24, 3:33 AM CDT	Flash Flood Watch	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more	22 hr
May 24, 5:22 AM CDT	Special Weather Statement	LOT	Iroquois	23 min
May 24, 10:20 AM CDT	Special Weather Statement	LOT	Lee, Ogle, Winnebago	55 min
May 24, 11:08 AM CDT	River Flood Warning	LOT	Lake	6 days
May 24, 11:08 AM CDT	River Flood Warning	LOT	Lake	4 days
May 24, 11:08 AM CDT	River Flood Warning	LOT	Lake	6 days
May 24, 11:16 AM CDT	River Flood Warning	LOT	Winnebago	21 days
May 24, 11:16 AM CDT	River Flood Warning	LOT	Winnebago	21 days
May 24, 11:16 AM CDT	River Flood Warning	LOT	Ogle	7 days
May 24, 11:16 AM CDT	River Flood Warning	LOT	Lee	4 days
May 24, 11:16 AM CDT	River Flood Warning	LOT	Boone	65 hr
May 24, 11:16 AM CDT	River Flood Warning	LOT	Winnebago	4 days
May 24, 11:16 AM CDT	River Flood Warning	LOT	Winnebago	21 days
May 24, 11:18 AM CDT	River Flood Warning	LOT	Kane, McHenry	16 days
May 24, 11:18 AM CDT	River Flood Warning	LOT	Kane, Kendall	21 hr
May 24, 11:18 AM CDT	River Flood Warning	LOT	LaSalle	5 days
May 24, 11:18 AM CDT	River Flood Warning	LOT	Will	46 hr
May 24, 11:31 AM CDT	River Flood Warning	LOT	Grundy	67 hr
May 24, 11:40 AM CDT	River Flood Advisory	LOT	Cook	7 days
May 24, 11:40 AM CDT	River Flood Advisory	LOT	Cook	67 hr
May 24, 11:40 AM CDT	River Flood Advisory	LOT	Cook	61 hr
May 24, 11:40 AM CDT	River Flood Advisory	LOT	Will	58 hr
May 24, 11:40 AM CDT	River Flood Advisory	LOT	Will	49 hr
May 24, 11:40 AM CDT	River Flood Advisory	LOT	Porter	5 days
May 24, 11:40 AM CDT	River Flood Advisory	LOT	Jasper, Porter	5 days

Nearby

River Flood Warnings in Illinois, 2019 Every river flood warning 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.