Alert archive / Illinois / River Flood Watches in 2019

River Flood Watch 21, NWS Chicago, IL

May 27, 2019Winnebago County, Illinois

NWS Chicago, IL issued this river flood watch at May 27, 2019, 10:48 AM CDT for Winnebago County, Illinois. It took effect at May 31, 2019, 1:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: May 27, 2019, 10:48 AM CDT (15:48 UTC)
In effect from: May 31, 2019, 1:00 AM CDT
Expired: May 27, 2019, 7:33 PM CDT
In force
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Flood severity: None

County Winnebago County, IL

The radar

The Milwaukee radar (KMKX), 86 km from the middle of the area, began a volume at 15:51 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.

What forecasters said that day

The local office's own words before this river flood watch 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 watch went out at May 27, 10:07 AM CDT, 41 minutes earlier.

Area forecast discussion, May 27, 10:07 AM CDT, 41 minutes before

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Hazardous weather outlook, May 27, 4:43 AM CDT, 6 hours 5 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 26, 8:05 PM CDT	River Flood Advisory	LOT	LaSalle	13 hr
May 26, 8:08 PM CDT	River Flood Watch	LOT	Kane, Kendall	13 hr
May 27, 9:22 AM CDT	River Flood Warning	LOT	Kane, Kendall	21 days
May 27, 9:22 AM CDT	River Flood Warning	LOT	LaSalle	5 days
May 27, 9:26 AM CDT	River Flood Watch	LOT	Winnebago	14 min
May 27, 10:02 AM CDT	River Flood Warning	LOT	Winnebago	14 days
May 27, 10:12 AM CDT	River Flood Warning	LOT	Winnebago	9 hr
May 27, 10:38 AM CDT	River Flood Warning	LOT	Ogle	9 hr
May 27, 11:33 AM CDT	River Flood Warning	LOT	LaSalle	5 days
May 27, 11:38 AM CDT	River Flood Advisory	LOT	Grundy	5 days
May 27, 1:10 PM CDT	Special Weather Statement	LOT	Kendall	35 min
May 27, 1:18 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kendall, LaSalle	42 min
May 27, 1:43 PM CDT	Severe Thunderstorm Warning	LOT	DuPage, Kane, Kendall, Will	62 min
May 27, 1:55 PM CDT	Special Marine Warning	LOT		2 hr
May 27, 2:00 PM CDT	Areal Flood Advisory	LOT	Cook, DuPage, Kane, Kendall, Will	2 hr
May 27, 2:07 PM CDT	Tornado Warning	LOT	Cook, Will	38 min
May 27, 2:13 PM CDT	Severe Thunderstorm Warning	LOT	Cook	62 min
May 27, 2:30 PM CDT	Tornado Warning	LOT	Ogle	45 min
May 27, 2:38 PM CDT	Flash Flood Warning	LOT	Cook	3 hr
May 27, 2:44 PM CDT	Severe Thunderstorm Warning	LOT	Cook	61 min
May 27, 3:20 PM CDT	Severe Thunderstorm Warning	LOT	Lee	40 min
May 27, 3:40 PM CDT	Tornado Warning	LOT	Lee	35 min
May 27, 4:00 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Will	45 min
May 27, 4:13 PM CDT	Tornado Warning	LOT	LaSalle, Lee	32 min
May 27, 4:14 PM CDT	Tornado Warning	LOT	Cook, Will	46 min
May 27, 4:17 PM CDT	Areal Flood Advisory	LOT	Cook, Will	3 hr
May 27, 4:20 PM CDT	Special Marine Warning	LOT		115 min
May 27, 4:25 PM CDT	Special Weather Statement	LOT	Cook, DuPage, Kane	50 min
May 27, 4:43 PM CDT	Areal Flood Advisory	LOT	DuPage, Kane, Kendall, Will	3 hr
May 27, 5:20 PM CDT	Special Weather Statement	LOT	Will	40 min
May 27, 5:24 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois	33 min
May 27, 5:27 PM CDT	Areal Flood Advisory	LOT	Cook, DuPage, Kane, Kendall, Will	3 hr
May 27, 5:32 PM CDT	Special Weather Statement	LOT	Cook	13 min
May 27, 5:42 PM CDT	Special Weather Statement	LOT	Iroquois	48 min
May 27, 6:06 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois	54 min
May 27, 3:34 PM CDT	Severe Thunderstorm Warning	LOT	Lake, Porter	56 min
May 27, 4:02 PM CDT	Tornado Warning	LOT	Porter	13 min
May 27, 4:52 PM CDT	Tornado Warning	LOT	Lake, Porter	42 min
May 27, 6:01 PM CDT	Special Weather Statement	LOT	Jasper, Newton	29 min
May 27, 6:10 PM CDT	Severe Thunderstorm Warning	LOT	Lake, Porter	21 min
May 27, 6:58 PM CDT	Severe Thunderstorm Warning	LOT	Benton	9 min

Nearby

River Flood Watches in Illinois, 2019 Every river flood watch 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.