Alert archive / Wisconsin / Severe Thunderstorm Watches in 2025
Severe Thunderstorm Watch 39
The Storm Prediction Center issued this severe thunderstorm watch at Mar 14, 2025, 10:02 PM CDT for 20 counties in Wisconsin. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 14, 2025, 10:02 PM CDT (03:02 UTC)
- Expired
- Mar 15, 2025, 2:15 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 56 km from the middle of the area, began a volume at 03:05 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
- 10%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 10:04 PM CDT | Severe Thunderstorm Warning | MKX | Green, Iowa, Lafayette | 41 min |
| Mar 14, 10:34 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Sauk | 41 min |
| Mar 14, 10:38 PM CDT | Severe Thunderstorm Warning | MKX | Green, Iowa, Lafayette | 37 min |
| Mar 14, 11:11 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Rock | 64 min |
| Mar 14, 11:44 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Dodge, Jefferson, Rock, Walworth | 61 min |
| Mar 14, 11:50 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Rock, Walworth, Waukesha | 55 min |
| Mar 15, 12:09 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Dodge | 36 min |
| Mar 15, 12:18 AM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 27 min |
| Mar 15, 12:30 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Jefferson, Milwaukee, Ozaukee and 2 more | 45 min |
| Mar 15, 12:42 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac, Green Lake, Marquette, Sheboygan | 33 min |
| Mar 15, 1:11 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac, Milwaukee, Ozaukee, Sheboygan, Washington and 1 more | 49 min |
| Mar 15, 1:47 AM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Sheboygan | 26 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 00:00Z, 3.0 hours before the alert went out and 185 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
- 100 J/kg
- Mixed-layer CIN
- -270 J/kg
- Mixed-layer LCL
- 1760 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 284 m²/s²
- 0-3 km storm-relative helicity
- 382 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 |
|---|---|---|---|---|
| Mar 14, 7:34 PM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 10 hr |
| Mar 14, 7:45 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 46 more | 2 hr |
| Mar 14, 8:02 PM CDT | Tornado Watch | SPC | Bond, Cass, Champaign, Christian, Clark, Clay and 38 more | 7 hr |
| Mar 14, 8:06 PM CDT | Mesoscale Discussion | SPC | Carroll, Hancock, Henderson, Henry, Jo Daviess, Knox and 5 more | 114 min |
| Mar 14, 8:47 PM CDT | Mesoscale Discussion | SPC | Jersey, Macoupin, Madison, Monroe, Saint Clair | 88 min |
| Mar 14, 9:21 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 21 more | 84 min |
| Mar 14, 10:20 PM CDT | Mesoscale Discussion | SPC | Alexander | 115 min |
| Mar 14, 10:42 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 30 more | 63 min |
| Mar 14, 11:14 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Grundy, Jo Daviess, Kane and 10 more | 2 hr |
| Mar 14, 11:50 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 115 min |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2025Every severe thunderstorm watch in 2025
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.