Alert archive / Illinois / River Flood Warnings in 2018
River Flood Warning 22, NWS Chicago, IL
NWS Chicago, IL issued this river flood warning at Feb 20, 2018, 3:27 AM CST for Kane County, McHenry County, Illinois. It took effect at Feb 20, 2018, 10:30 PM CST. It was in force for 11 days.
The area
The counties it named.
The facts
- Issued
- Feb 20, 2018, 3:27 AM CST (09:27 UTC)
- In effect from
- Feb 20, 2018, 10:30 PM CST
- Expired
- Mar 4, 2018, 8:49 AM CST
- In force
- 11 days
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Kane County, IL, McHenry County, IL
The radar
The Chicago radar (KLOT), 66 km from the middle of the area, began a volume at 09:26 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 Fox River at Algonquin tailwater (AFBI2). The gauge peaked at 9.88 ft at Feb 26, 2018, 8:00 PM CST.
- Action stage
- 9 ft
- Minor stage
- 9.5 ft
- Moderate stage
- 10.5 ft
- Major stage
- 12 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05550001, 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 Feb 20, 3:07 AM CST, 20 minutes earlier.
Area forecast discussion, Feb 20, 3:07 AM CST, 20 minutes before
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Local storm report, Feb 19, 10:33 PM CST, 4 hours 54 minutes before
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</html>Local storm report, Feb 19, 11:34 PM CST, 3 hours 53 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 8:24 PM CST | Dense Fog Advisory | LOT | Boone, DeKalb, Kane, Lake, Lee, McHenry and 2 more | 5 hr |
| Feb 19, 8:31 PM CST | River Flood Advisory | LOT | Cook | 36 hr |
| Feb 19, 8:33 PM CST | River Flood Warning | LOT | Cook | 67 hr |
| Feb 19, 9:13 PM CST | River Flood Warning | LOT | Will | 3 days |
| Feb 19, 9:19 PM CST | River Flood Watch | LOT | Kane, McHenry | 51 hr |
| Feb 19, 9:19 PM CST | River Flood Watch | LOT | Kane, Kendall | 4 days |
| Feb 19, 9:19 PM CST | River Flood Watch | LOT | LaSalle | 4 days |
| Feb 19, 9:29 PM CST | River Flood Warning | LOT | DuPage | 56 hr |
| Feb 19, 9:52 PM CST | River Flood Warning | LOT | Iroquois, Kankakee | 8 days |
| Feb 19, 10:01 PM CST | River Flood Watch | LOT | Winnebago | 3 days |
| Feb 19, 10:16 PM CST | River Flood Advisory | LOT | Lee | 36 hr |
| Feb 19, 10:21 PM CST | River Flood Warning | LOT | Grundy, Will | 8 days |
| Feb 19, 10:44 PM CST | Areal Flood Warning | LOT | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more | 12 hr |
| Feb 19, 11:46 PM CST | River Flood Advisory | LOT | Will | 36 hr |
| Feb 20, 2:49 AM CST | Marine Dense Fog Advisory | LOT | 18 hr | |
| Feb 20, 3:17 AM CST | River Flood Advisory | LOT | Grundy | 36 hr |
| Feb 20, 3:27 AM CST | River Flood Warning | LOT | Kane, Kendall | 11 days |
| Feb 20, 3:27 AM CST | River Flood Warning | LOT | LaSalle | 4 days |
| Feb 20, 3:45 AM CST | River Flood Advisory | LOT | Cook | 36 hr |
| Feb 20, 3:51 AM CST | River Flood Advisory | LOT | DeKalb | 36 hr |
| Feb 20, 6:16 AM CST | River Flood Advisory | LOT | Boone | 3 days |
| Feb 20, 8:28 AM CST | River Flood Warning | LOT | Lake | 6 days |
| Feb 20, 8:28 AM CST | River Flood Warning | LOT | Lake | 7 days |
| Feb 20, 9:34 AM CST | River Flood Warning | LOT | Winnebago | 4 days |
| Feb 20, 10:00 AM CST | River Flood Advisory | LOT | Winnebago | 24 hr |
| Feb 20, 10:19 AM CST | River Flood Warning | LOT | Winnebago | 12 days |
| Feb 20, 10:19 AM CST | River Flood Warning | LOT | Ogle | 10 days |
| Feb 20, 10:39 AM CST | River Flood Warning | LOT | Winnebago | 14 days |
| Feb 20, 10:45 AM CST | Areal Flood Warning | LOT | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 24 hr |
| Feb 20, 10:56 AM CST | River Flood Advisory | LOT | Lake | 58 hr |
| Feb 20, 10:56 AM CST | River Flood Advisory | LOT | Cook | 67 hr |
| Feb 20, 11:01 AM CST | River Flood Warning | LOT | Cook | 66 hr |
| Feb 20, 11:01 AM CST | River Flood Warning | LOT | Cook | 52 hr |
| Feb 20, 11:46 AM CST | River Flood Warning | LOT | Boone | 51 hr |
| Feb 20, 11:59 AM CST | River Flood Warning | LOT | LaSalle | 4 days |
| Feb 20, 12:44 PM CST | River Flood Warning | LOT | Grundy | 47 hr |
| Feb 20, 1:21 PM CST | River Flood Warning | LOT | Will | 53 hr |
| Feb 20, 1:21 PM CST | Special Marine Warning | LOT | 84 min | |
| Feb 20, 1:27 PM CST | Special Weather Statement | LOT | Cook, Will | 48 min |
| Feb 20, 2:26 PM CST | Special Weather Statement | LOT | Ford, Iroquois | 64 min |
| Feb 20, 2:49 PM CST | River Flood Warning | LOT | Cook | 52 hr |
| Feb 20, 2:56 PM CST | River Flood Warning | LOT | Winnebago | 12 days |
| Feb 20, 2:56 PM CST | River Flood Warning | LOT | Lee | 65 hr |
| Feb 20, 3:31 PM CST | Winter Weather Advisory | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 15 hr |
| Feb 20, 4:06 PM CST | Small Craft Advisory | LOT | 29 hr | |
| Feb 19, 9:52 PM CST | River Flood Warning | LOT | Jasper | 11 days |
| Feb 20, 3:00 AM CST | River Flood Warning | LOT | Lake | 31 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.