Alert archive / Illinois / Tornado Watches in 2022
Tornado Watch 163
The Storm Prediction Center issued this tornado watch at Apr 30, 2022, 1:46 PM CDT for 55 counties in Illinois; 7 counties in Wisconsin. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 30, 2022, 1:46 PM CDT (18:46 UTC)
- Expired
- Apr 30, 2022, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 62 counties
Boone County, IL, Bureau County, IL, Carroll County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Cook County, IL, Crawford County, IL, Cumberland County, IL, DeKalb County, IL, DeWitt County, IL, Douglas County, IL, DuPage County, IL, Edgar County, IL, Effingham County, IL, Ford County, IL, Fulton County, IL, Grundy County, IL, Henry County, IL, Iroquois County, IL, Jasper County, IL, Jo Daviess County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Knox County, IL, LaSalle County, IL, Lawrence County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McHenry County, IL, McLean County, IL, Menard County, IL, Moultrie County, IL, Ogle County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Richland County, IL, Sangamon County, IL, Shelby County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Vermilion County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Woodford County, IL, Dane County, WI, Green County, WI, Iowa County, WI, Jefferson County, WI, Lafayette County, WI, Rock County, WI, Walworth County, WI
The radar
The Chicago radar (KLOT), 79 km from the middle of the area, began a volume at 18:47 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 60%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 3:32 PM CDT | Tornado Warning | DVN | Jo Daviess | 28 min |
| Apr 30, 3:34 PM CDT | Tornado Warning | MKX | Lafayette | 26 min |
| Apr 30, 3:41 PM CDT | Tornado Warning | MKX | Lafayette | 34 min |
| Apr 30, 3:49 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Livingston, Will | 41 min |
| Apr 30, 4:09 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kendall, Will | 66 min |
| Apr 30, 4:19 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 26 min |
| Apr 30, 4:27 PM CDT | Severe Thunderstorm Warning | MKX | Iowa | 33 min |
| Apr 30, 4:37 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 38 min |
| Apr 30, 4:49 PM CDT | Tornado Warning | LOT | Cook, DuPage | 10 min |
| Apr 30, 5:13 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Ogle, Winnebago | 47 min |
| Apr 30, 5:24 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 30 min |
| Apr 30, 5:32 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 43 min |
| Apr 30, 5:35 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 25 min |
| Apr 30, 5:46 PM CDT | Tornado Warning | LOT | Boone, McHenry | 28 min |
| Apr 30, 5:48 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Tazewell | 57 min |
| Apr 30, 5:57 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle | 48 min |
| Apr 30, 6:00 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 45 min |
| Apr 30, 6:00 PM CDT | Tornado Warning | MKX | Rock, Walworth | 30 min |
| Apr 30, 6:05 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon | 25 min |
| Apr 30, 6:21 PM CDT | Severe Thunderstorm Warning | LOT | Boone | 18 min |
| Apr 30, 6:25 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Livingston | 50 min |
| Apr 30, 6:29 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Moultrie, Sangamon, Shelby | 46 min |
| Apr 30, 6:34 PM CDT | Tornado Warning | ILX | McLean | 41 min |
| Apr 30, 6:45 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 29 min |
| Apr 30, 6:51 PM CDT | Severe Thunderstorm Warning | LOT | Will | 39 min |
| Apr 30, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 64 min |
| Apr 30, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | DuPage | 34 min |
| Apr 30, 6:58 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Macon, Moultrie, Piatt | 47 min |
| Apr 30, 7:08 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 28 min |
| Apr 30, 7:31 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 33 min |
| Apr 30, 7:41 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 35 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 12:32 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cass, Christian, DeKalb and 33 more | 118 min |
| Apr 30, 1:09 PM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Franklin, Jackson, Jefferson, Johnson and 9 more | 2 hr |
| Apr 30, 2:03 PM CDT | Tornado Watch | SPC | Alexander, Bond, Clinton, Fayette, Franklin, Jackson and 11 more | 8 hr |
| Apr 30, 2:43 PM CDT | Mesoscale Discussion | SPC | Rock Island | 92 min |
| Apr 30, 3:20 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Ford and 25 more | 85 min |
| Apr 30, 3:57 PM CDT | Mesoscale Discussion | SPC | Clinton, Madison, Monroe, Perry, Randolph, Saint Clair and 1 more | 63 min |
| Apr 30, 5:27 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 2 hr |
| Apr 30, 6:02 PM CDT | Mesoscale Discussion | SPC | Boone, Champaign, Christian, Coles, Cook, DeKalb and 28 more | 118 min |
Nearby
Tornado Watches in Illinois, 2022Tornado Watches in Wisconsin, 2022Every tornado watch 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; radar from the NEXRAD Level II archive.