Alert archive / Illinois / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 65, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jul 22, 2022, 11:56 PM CDT for McHenry County, Illinois. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 22, 2022, 11:56 PM CDT (04:56 UTC)
- Expired
- Jul 23, 2022, 12:45 AM CDT
- In force
- 49 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County McHenry County, IL
The radar
The Milwaukee radar (KMKX), 72 km from the middle of the area, began a volume at 04:58 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.9 hours before the alert went out and 241 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1388 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1899 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 9.5
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 22, 8:47 PM CDT, 3 hours 9 minutes earlier.
Area forecast discussion, Jul 22, 8:47 PM CDT, 3 hours 9 minutes before
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</html>In the hours before
Special weather statement, Jul 22, 11:11 PM CDT, 45 minutes before
Special Weather Statement
National Weather Service Chicago/Romeoville
1111 PM CDT Fri Jul 22 2022
ILZ104-230430-
Central Cook IL-
1111 PM CDT Fri Jul 22 2022
...A strong thunderstorm will impact portions of northeastern Cook
County through 1130 PM CDT...
At 1111 PM CDT, Doppler radar was tracking a strong thunderstorm over
Lincoln Park, moving east at 40 mph.
HAZARD...Winds of 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Chicago, West Town, Chicago Loop, Lincoln Park, Lake View, Irving
Park, West Ridge, Austin, Navy Pier, Northerly Island, Edgewater,
Near North Side, Logan Square, Albany Park, Uptown, Humboldt Park,
Near West Side, Rogers Park, East Garfield Park and Lincolnwood.
Including the following interstates...
I-94 between mile markers 45 and 53.
I-290 between mile markers 25 and 29.
I-294 between mile markers 45 and 53.
This includes... Lincoln Park Zoo, Loyola University, Northeastern
Illinois University, Soldier Field, University of Illinois Chicago,
Wrigley Field, The Loop, Museum Campus, and Northerly Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4200 8765 4198 8765 4196 8763 4196 8764
4191 8762 4190 8762 4189 8761 4188 8762
4187 8762 4187 8761 4185 8761 4187 8775
4200 8772
TIME...MOT...LOC 0411Z 276DEG 36KT 4192 8765
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
BirkSpecial weather statement, Jul 22, 11:41 PM CDT, 15 minutes before
Special Weather Statement
National Weather Service Chicago/Romeoville
1141 PM CDT Fri Jul 22 2022
ILZ004-005-012-230515-
Kane IL-Boone IL-McHenry IL-
1141 PM CDT Fri Jul 22 2022
...A strong thunderstorm will impact portions of northwestern Kane,
southwestern McHenry and southeastern Boone Counties through 1215 AM
CDT...
At 1141 PM CDT, Doppler radar was tracking a strong thunderstorm near
Belvidere, moving east at 40 mph.
HAZARD...Winds of 45 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Belvidere, Woodstock, Marengo, Poplar Grove, Hampshire, Union and
Garden Prairie.
Including the following interstate...
I-90 between mile markers 23 and 42.
This includes... Boone County Fairgrounds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4234 8845 4211 8851 4212 8859 4215 8859
4215 8878 4217 8889 4232 8886
TIME...MOT...LOC 0441Z 273DEG 33KT 4226 8878
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
BirkThe office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 11:11 PM CDT | Special Weather Statement | LOT | Cook | 19 min |
| Jul 22, 11:24 PM CDT | Special Marine Warning | LOT | 66 min | |
| Jul 22, 11:41 PM CDT | Special Weather Statement | LOT | Boone | 34 min |
| Jul 23, 12:29 AM CDT | Special Marine Warning | LOT | 91 min | |
| Jul 23, 12:33 AM CDT | Severe Thunderstorm Warning | LOT | Lake | 57 min |
| Jul 23, 1:23 AM CDT | Severe Thunderstorm Warning | LOT | Lake | 52 min |
| Jul 23, 1:58 AM CDT | Areal Flood Advisory | LOT | Lake, McHenry | 5 hr |
| Jul 23, 2:00 AM CDT | Special Marine Warning | LOT | 90 min | |
| Jul 23, 2:30 AM CDT | Flash Flood Warning | LOT | Lake, McHenry | 6 hr |
| Jul 23, 2:52 AM CDT | Flood Watch | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more | 9 hr |
| Jul 23, 3:21 AM CDT | Special Marine Warning | LOT | 114 min | |
| Jul 23, 4:09 AM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 66 min |
| Jul 23, 4:22 AM CDT | Special Marine Warning | LOT | 113 min | |
| Jul 23, 4:49 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee, Ogle | 71 min |
| Jul 23, 4:54 AM CDT | Special Marine Warning | LOT | 81 min | |
| Jul 23, 4:56 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 64 min |
| Jul 23, 5:14 AM CDT | Special Weather Statement | LOT | DuPage, Kane, Kendall | 31 min |
| Jul 23, 5:15 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane | 3 hr |
| Jul 23, 5:29 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 76 min |
| Jul 23, 5:32 AM CDT | Severe Thunderstorm Warning | LOT | Kane, Kendall | 27 min |
| Jul 23, 5:35 AM CDT | Flash Flood Warning | LOT | Lake | 5 hr |
| Jul 23, 5:47 AM CDT | Tornado Warning | LOT | Cook, Will | 28 min |
| Jul 23, 6:05 AM CDT | Tornado Warning | LOT | Will | 25 min |
| Jul 23, 6:19 AM CDT | Special Marine Warning | LOT | 86 min | |
| Jul 23, 6:20 AM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 55 min |
| Jul 23, 6:35 AM CDT | Special Weather Statement | LOT | LaSalle | 25 min |
| Jul 23, 6:42 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 34 min |
| Jul 23, 6:51 AM CDT | Special Weather Statement | LOT | Ford, Iroquois | 54 min |
| Jul 23, 7:08 AM CDT | Special Weather Statement | LOT | LaSalle | 37 min |
| Jul 23, 7:20 AM CDT | Special Weather Statement | LOT | Ogle | 25 min |
| Jul 23, 7:44 AM CDT | River Flood Warning | LOT | Cook, Lake | 27 hr |
| Jul 23, 7:44 AM CDT | River Flood Warning | LOT | Cook | 34 hr |
| Jul 23, 7:47 AM CDT | Special Weather Statement | LOT | Lee | 43 min |
| Jul 23, 8:12 AM CDT | Special Weather Statement | LOT | Kankakee | 33 min |
| Jul 23, 8:23 AM CDT | Areal Flood Advisory | LOT | Iroquois | 3 hr |
| Jul 23, 8:56 AM CDT | Special Weather Statement | LOT | DeKalb | 49 min |
| Jul 23, 9:01 AM CDT | Special Weather Statement | LOT | Kankakee | 29 min |
| Jul 23, 9:08 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane, Kendall | 52 min |
| Jul 23, 9:12 AM CDT | Flash Flood Warning | LOT | Iroquois | 3 hr |
| Jul 23, 9:58 AM CDT | Special Weather Statement | LOT | DuPage | 47 min |
| Jul 23, 10:01 AM CDT | Special Weather Statement | LOT | Kendall | 44 min |
| Jul 23, 10:10 AM CDT | Special Marine Warning | LOT | 82 min | |
| Jul 23, 10:15 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Kendall, Will | 3 hr |
| Jul 23, 10:22 AM CDT | Severe Thunderstorm Warning | LOT | DuPage, Will | 53 min |
| Jul 23, 10:49 AM CDT | Special Weather Statement | LOT | Iroquois, Kankakee, Will | 41 min |
| Jul 23, 10:57 AM CDT | Areal Flood Warning | LOT | Lake | 3 hr |
| Jul 23, 11:46 AM CDT | Areal Flood Advisory | LOT | Iroquois, Kankakee | 3 hr |
| Jul 23, 12:23 PM CDT | Flash Flood Warning | LOT | Iroquois | 6 hr |
| Jul 23, 1:14 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 61 min |
| Jul 23, 1:27 PM CDT | Areal Flood Warning | LOT | Cook, Lake | 6 hr |
| Jul 23, 1:32 PM CDT | Tornado Warning | LOT | Livingston | 29 min |
| Jul 23, 1:45 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 75 min |
| Jul 23, 2:27 PM CDT | Areal Flood Advisory | LOT | Ford, Livingston | 4 hr |
| Jul 23, 2:28 PM CDT | Flood Watch | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 5 more | 20 hr |
| Jul 23, 2:41 PM CDT | Flash Flood Warning | LOT | Ford | 3 hr |
| Jul 23, 2:57 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 33 min |
| Jul 23, 3:19 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 41 min |
| Jul 23, 3:28 PM CDT | Flash Flood Warning | LOT | Livingston | 2 hr |
| Jul 23, 5:22 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 33 min |
| Jul 23, 4:58 AM CDT | Severe Thunderstorm Warning | LOT | Porter | 62 min |
| Jul 23, 6:46 AM CDT | Severe Thunderstorm Warning | LOT | Benton, Jasper, Newton | 59 min |
| Jul 23, 7:46 AM CDT | Special Weather Statement | LOT | Benton | 44 min |
| Jul 23, 8:35 AM CDT | Special Weather Statement | LOT | Benton | 40 min |
| Jul 23, 11:37 AM CDT | Severe Thunderstorm Warning | LOT | Jasper | 23 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2022Every severe thunderstorm warning in 2022
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.