Alert archive / Illinois / River Flood Warnings in 2018
River Flood Warning 71, NWS Chicago, IL
NWS Chicago, IL issued this river flood warning at Jun 20, 2018, 8:39 PM CDT for Iroquois County, Illinois. It took effect at Jun 22, 2018, 8:17 AM CDT. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2018, 8:39 PM CDT (01:39 UTC)
- In effect from
- Jun 22, 2018, 8:17 AM CDT
- Expired
- Jun 22, 2018, 10:42 AM CDT
- In force
- 2 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- Minor
County Iroquois County, IL
The radar
The Chicago radar (KLOT), 98 km from the middle of the area, began a volume at 01:41 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 Sugar Creek (E-IL) at Milford (MILI2). The gauge peaked at 15.99 ft at Jun 23, 2018, 10:00 AM CDT.
- Action stage
- 15 ft
- Minor stage
- 18 ft
- Moderate stage
- 22 ft
- Major stage
- 26 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05525500, 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 Jun 20, 6:47 PM CDT, 1 hour 52 minutes earlier.
Area forecast discussion, Jun 20, 6:47 PM CDT, 1 hour 52 minutes before
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</html>Hazardous weather outlook, Jun 20, 5:45 PM CDT, 2 hours 54 minutes before
Hazardous Weather Outlook...CORRECTED National Weather Service Chicago/Romeoville IL 545 PM CDT Wed Jun 20 2018 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 212045- Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook- La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- Lake IN-Porter-Newton-Jasper-Benton- 545 PM CDT Wed Jun 20 2018 /645 PM EDT Wed Jun 20 2018/ This Hazardous Weather Outlook is for portions of North Central Illinois...Northeast Illinois and Northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Significant Thunderstorm Risk. Limited Flooding Risk. DISCUSSION... Thunderstorms are expected to increase in coverage initially across north central Illinois early this evening, and then for the remainder of northeast Illinois and northwest Indiana late this evening and overnight. Widespread severe weather is not expected at this time, however, a few stronger storms capable of gusty winds are possible along and west of the I-39 corridor this evening. Heavy rainfall and localized flooding will be possible with any storm tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday... Limited Severe Thunderstorm Risk. Elevated Flooding Risk. High Swim Risk Friday... Limited Flooding Risk. Limited Thunderstorm Risk. High Swim Risk Sunday... Limited Thunderstorm Risk. Tuesday... Limited Thunderstorm Risk. DISCUSSION: Thunderstorms are once again expected area wide on Thursday, with strong to severe storms possible Thursday afternoon into Thursday evening south of I-80. Heavy rainfall and flooding will once again be possible with any storm Thursday. The heavy rain potential will continue Thursday night into Friday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the east northeast at 10 to 20 MPH. LMZ740>745-212045- Winthrop Harbor to Wilmette Harbor- Wilmette Harbor to Northerly Island- Northerly Island to Calumet Harbor-Calumet Harbor to Gary- Gary to Burns Harbor-Burns Harbor to Michigan City- 545 PM CDT Wed Jun 20 2018 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday... Hazardous conditions for small craft are likely. Limited Thunderstorm Risk. Friday... Limited Thunderstorm Risk. Sunday... Limited Thunderstorm Risk. Tuesday... Limited Thunderstorm Risk. LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-212045- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and north of a line from Charlevoix MI to South Fox Island 5 NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to Mid Lake- Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI- Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan Holland to Whitehall MI 5 nm off shore to mid- line of lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 545 PM CDT Wed Jun 20 2018 This Hazardous Weather Outlook is for portions of the open waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday through Sunday... Limited Thunderstorm Risk. Tuesday... Limited Thunderstorm Risk. Rodriguez Visit us at http://weather.gov/chicago Follow us on Facebook, Twitter, and Youtube at: www.facebook.com/nwschicago www.twitter.com/nwschicago www.youtube.com/nwschicago
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:34 PM CDT | River Flood Advisory | LOT | Will | 14 hr |
| Jun 20, 8:34 PM CDT | River Flood Advisory | LOT | Kane, McHenry | 7 days |
| Jun 20, 8:34 PM CDT | River Flood Advisory | LOT | LaSalle | 3 days |
| Jun 20, 8:39 PM CDT | River Flood Warning | LOT | Ogle | 48 hr |
| Jun 20, 10:44 PM CDT | Areal Flood Advisory | LOT | Ford, Iroquois, LaSalle, Livingston | 3 hr |
| Jun 21, 3:18 AM CDT | Small Craft Advisory | LOT | 48 hr | |
| Jun 21, 3:28 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 34 hr |
| Jun 21, 3:33 AM CDT | Beach Hazards Statement | LOT | Lake | 48 hr |
| Jun 21, 7:46 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Grundy, Iroquois, Kane, Kankakee and 5 more | 4 hr |
| Jun 21, 9:39 AM CDT | River Flood Warning | LOT | Boone | 25 hr |
| Jun 21, 10:10 AM CDT | River Flood Warning | LOT | Lake | 11 days |
| Jun 21, 10:10 AM CDT | River Flood Warning | LOT | Will | 3 days |
| Jun 21, 10:20 AM CDT | River Flood Advisory | LOT | Cook | 5 days |
| Jun 21, 10:20 AM CDT | River Flood Advisory | LOT | Cook | 63 hr |
| Jun 21, 10:20 AM CDT | River Flood Advisory | LOT | Will | 3 days |
| Jun 21, 10:20 AM CDT | River Flood Advisory | LOT | Grundy | 48 hr |
| Jun 21, 10:20 AM CDT | River Flood Advisory | LOT | Lake | 57 hr |
| Jun 21, 10:34 AM CDT | River Flood Warning | LOT | Kane, McHenry | 13 days |
| Jun 21, 10:34 AM CDT | River Flood Warning | LOT | McHenry | 21 days |
| Jun 21, 10:34 AM CDT | River Flood Warning | LOT | Kane, Kendall | 11 days |
| Jun 21, 10:34 AM CDT | River Flood Warning | LOT | LaSalle | 3 days |
| Jun 21, 10:34 AM CDT | River Flood Warning | LOT | LaSalle | 61 hr |
| Jun 21, 10:57 AM CDT | Areal Flood Advisory | LOT | Boone, DeKalb, McHenry, Ogle, Winnebago | 4 hr |
| Jun 21, 11:18 AM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 9 days |
| Jun 21, 11:22 AM CDT | River Flood Advisory | LOT | LaSalle | 24 hr |
| Jun 21, 11:44 AM CDT | Areal Flood Warning | LOT | Cook, DuPage, Will | 9 hr |
| Jun 21, 11:56 AM CDT | Areal Flood Advisory | LOT | Kane, Lake, McHenry | 3 hr |
| Jun 21, 1:44 PM CDT | River Flood Warning | LOT | Cook | 20 hr |
| Jun 21, 1:44 PM CDT | River Flood Warning | LOT | Cook | 45 hr |
| Jun 21, 3:51 PM CDT | River Flood Warning | LOT | Cook | 4 days |
| Jun 21, 3:51 PM CDT | River Flood Warning | LOT | Cook | 52 hr |
| Jun 21, 3:51 PM CDT | River Flood Warning | LOT | Will | 56 hr |
| Jun 21, 3:51 PM CDT | River Flood Warning | LOT | DuPage | 42 hr |
| Jun 21, 4:07 PM CDT | River Flood Advisory | LOT | Lake | 19 hr |
| Jun 21, 4:07 PM CDT | River Flood Advisory | LOT | Cook | 3 days |
| Jun 21, 5:13 PM CDT | Areal Flood Advisory | LOT | LaSalle, Livingston | 3 hr |
| Jun 21, 5:50 PM CDT | Areal Flood Advisory | LOT | LaSalle, Livingston | 3 hr |
| Jun 21, 6:19 PM CDT | Areal Flood Advisory | LOT | DeKalb, Grundy, Kane, Kendall, LaSalle, Lee and 1 more | 3 hr |
| Jun 21, 1:44 PM CDT | River Flood Warning | LOT | Lake | 21 hr |
| Jun 21, 3:51 PM CDT | River Flood Warning | LOT | Lake, Newton | 24 hr |
| Jun 21, 4:07 PM CDT | River Flood Advisory | LOT | Jasper, Porter | 6 hr |
| Jun 21, 4:07 PM CDT | River Flood Advisory | LOT | Newton | 64 hr |
Nearby
River Flood Warnings in Illinois, 2018Every river flood warning in 2018
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.