Alert archive / Wisconsin / Tornado Watches in 2022
Tornado Watch 197
The Storm Prediction Center issued this tornado watch at May 10, 2022, 2:19 PM CDT for 43 counties in Wisconsin. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 10, 2022, 2:19 PM CDT (19:19 UTC)
- Expired
- May 10, 2022, 9:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 43 counties
Adams County, WI, Brown County, WI, Calumet County, WI, Clark County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Door County, WI, Florence County, WI, Fond du Lac County, WI, Forest County, WI, Grant County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jackson County, WI, Jefferson County, WI, Juneau County, WI, Kewaunee County, WI, Lafayette County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Marquette County, WI, Menominee County, WI, Monroe County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Shawano County, WI, Vernon County, WI, Walworth County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 129 km from the middle of the area, began a volume at 19:19 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
- 40%
- 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
- 40%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 4:17 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Oneida | 58 min |
| May 10, 4:37 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Vilas | 38 min |
| May 10, 4:55 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Marinette | 65 min |
| May 10, 5:00 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest | 45 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.3 hours before the alert went out and 128 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
- 495 J/kg
- Mixed-layer CIN
- -361 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 3:57 PM CDT | Mesoscale Discussion | SPC | Baraga, Houghton, Iron, Marquette | 63 min |
| May 9, 7:48 PM CDT | Mesoscale Discussion | SPC | Buffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson and 10 more | 87 min |
| May 9, 8:17 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Crawford, Jackson, La Crosse, Monroe, Richland and 2 more | 5 hr |
| May 9, 9:05 PM CDT | Mesoscale Discussion | SPC | Crawford, Richland | 85 min |
| May 9, 11:07 PM CDT | Mesoscale Discussion | SPC | Adams, Crawford, Grant, Iowa, Juneau, Marquette and 6 more | 113 min |
| May 10, 12:45 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Columbia, Crawford, Dane and 26 more | 3 hr |
| May 10, 6:45 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Clark, Columbia, Dodge and 24 more | 90 min |
Nearby
Tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.