Alert archive / Illinois / River Flood Advisories in 2021
River Flood Advisory 5, NWS Chicago, IL
NWS Chicago, IL issued this river flood advisory at Mar 9, 2021, 8:46 AM CST for Lake County, Illinois. It took effect at Mar 10, 2021, 12:00 AM CST. It was in force for 37 hr.
The area
The counties it named.
The facts
- Issued
- Mar 9, 2021, 8:46 AM CST (14:46 UTC)
- In effect from
- Mar 10, 2021, 12:00 AM CST
- Expired
- Mar 11, 2021, 1:03 PM CST
- In force
- 37 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
County Lake County, IL
The radar
The Chicago radar (KLOT), 85 km from the middle of the area, began a volume at 14:46 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 Des Plaines River near Russell (RUSI2).
- Action stage
- 6.5 ft
- Minor stage
- 7 ft
- Moderate stage
- 9 ft
- Major stage
- 10 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05527800, 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 advisory 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 advisory went out at Mar 9, 5:51 AM CST, 2 hours 55 minutes earlier.
Area forecast discussion, Mar 9, 5:51 AM CST, 2 hours 55 minutes before
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</html>Hazardous weather outlook, Mar 9, 4:34 AM CST, 4 hours 12 minutes before
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 434 AM CST Tue Mar 9 2021 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-101045- Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton- 434 AM CST Tue Mar 9 2021 /534 AM EST Tue Mar 9 2021/ This Hazardous Weather Outlook is for portions of North Central Illinois...Northeast Illinois and Northwest Indiana. .DAY ONE...Today and Tonight. Weather hazards expected... Elevated Fire Weather Risk. Limited Non Thunderstorm Wind Risk. DISCUSSION... Southerly winds gusting up to 30-35 mph and dry conditions will increase the risk for more rapid brush fire spread this afternoon. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Elevated Non Thunderstorm Wind Risk. Limited Thunderstorm Risk. Thursday... Limited Thunderstorm Risk. DISCUSSION: Winds will gust up to 40 to 45 mph from the south late Wednesday morning through Wednesday evening. Gusts up to 50 mph are possible. There is a chance for isolated thunderstorms north of I-80 Wednesday morning and early afternoon. Thunderstorm chances increase over much of the area late Wednesday night into Thursday. Locally heavy rainfall looks probable, but the flooding threat does not look widespread. Severe thunderstorms are not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. LMZ740>745-101045- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 434 AM CST Tue Mar 9 2021 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...Today and Tonight. Weather hazards expected... Hazardous conditions for small craft. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Gale force winds and or very hazardous waves are likely. Limited Thunderstorm Risk. Thursday... Hazardous conditions for small craft in the morning. Limited Thunderstorm Risk. Saturday... Hazardous conditions for small craft are likely. MTF/Castro 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 |
|---|---|---|---|---|
| Mar 9, 3:50 AM CST | Gale Watch | LOT | 11 hr | |
| Mar 9, 3:50 AM CST | Small Craft Advisory | LOT | 29 hr | |
| Mar 9, 3:16 PM CST | Gale Warning | LOT | 37 hr |
Nearby
River Flood Advisories in Illinois, 2021Every river flood advisory in 2021
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.