Alert archive / Wisconsin / Tornado Warnings in 2025

Tornado Warning 22, NWS Twin Cities, MN

May 15, 2025Dunn County, Pepin County, Pierce County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at May 15, 2025, 3:15 PM CDT for Dunn County, Pepin County, Pierce County, Wisconsin. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 15, 2025, 3:15 PM CDT (20:15 UTC)
Expired
May 15, 2025, 3:45 PM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Dunn County, WI, Pepin County, WI, Pierce County, WI

The radar

The La Crosse radar (KARX), 118 km from the middle of the area, began a volume at 20:19 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 15, 12:46 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.3 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2025-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 515 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2025-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
515 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

337 
WFUS53 KMPX 152015
TORMPX
WIC033-091-093-152045-
/O.NEW.KMPX.TO.W.0022.250515T2015Z-250515T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
315 PM CDT Thu May 15 2025

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Southern Dunn County in west central Wisconsin...
  North Central Pepin County in west central Wisconsin...
  East Central Pierce County in west central Wisconsin...

* Until 345 PM CDT.

* At 315 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Durand, or 21 miles south of Menomonie, 
  moving northeast at 50 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught
           without shelter. Mobile homes will be damaged or
           destroyed. Damage to roofs, windows and vehicles will
           occur. Tree damage is likely.

* Locations impacted include...
  Menomonie, Durand, Boyceville, Elk Mound, Elmwood, Eau Galle, Plum 
  City, Knapp, Weston, Downsville, Menomonie Airport, Cedar Falls, 
  Arkansaw, Hoffman Hills Rec Area and Porcupine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from windows. If you are outdoors, in a mobile home, 
or in a vehicle, move to the closest substantial shelter and protect 
yourself from flying debris.

&&

LAT...LON 4485 9214 4505 9207 4491 9165 4486 9165
      4460 9184 4460 9200 4459 9201 4459 9203
      4456 9204 4454 9204 4461 9222
TIME...MOT...LOC 2015Z 202DEG 42KT 4460 9204

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Dye
3 follow-up statements
485 
WWUS53 KMPX 152027
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
327 PM CDT Thu May 15 2025

WIC093-152037-
/O.CAN.KMPX.TO.W.0022.000000T0000Z-250515T2045Z/
Pierce WI-
327 PM CDT Thu May 15 2025

...TORNADO WARNING IS CANCELLED FOR EAST CENTRAL PIERCE COUNTY...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning has been cancelled.

&&

LAT...LON 4469 9214 4486 9214 4505 9207 4491 9165
      4486 9165 4460 9184 4460 9200 4459 9201
      4459 9203 4456 9204 4454 9204 4458 9213
TIME...MOT...LOC 2015Z 202DEG 42KT 4460 9204

$$


WIC033-091-152045-
/O.CON.KMPX.TO.W.0022.000000T0000Z-250515T2045Z/
Dunn WI-Pepin WI-
327 PM CDT Thu May 15 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTHERN 
DUNN AND NORTH CENTRAL PEPIN COUNTIES...

At 327 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Eau Galle, or 12 miles south of Menomonie, moving 
northeast at 50 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed.
         Damage to roofs, windows and vehicles will occur. Tree
         damage is likely.

Locations impacted include...
  Menomonie, Durand, Boyceville, Elk Mound, Elmwood, Eau Galle, 
  Knapp, Weston, Downsville, Menomonie Airport, Cedar Falls, 
  Arkansaw, Hoffman Hills Rec Area and Porcupine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from windows. If you are outdoors, in a mobile home, 
or in a vehicle, move to the closest substantial shelter and protect 
yourself from flying debris.

&&

LAT...LON 4469 9214 4486 9214 4505 9207 4491 9165
      4486 9165 4460 9184 4460 9200 4459 9201
      4459 9203 4456 9204 4454 9204 4458 9213
TIME...MOT...LOC 2015Z 202DEG 42KT 4460 9204

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Dye
855 
WWUS53 KMPX 152038
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
338 PM CDT Thu May 15 2025

WIC091-152048-
/O.CAN.KMPX.TO.W.0022.000000T0000Z-250515T2045Z/
Pepin WI-
338 PM CDT Thu May 15 2025

...TORNADO WARNING IS CANCELLED FOR NORTH CENTRAL PEPIN COUNTY...

The Tornado Warning that was previously in effect has been reissued 
for Pepin County and is in effect until 4 PM. Please refer to that 
bulletin for the latest severe weather information.

A Tornado Watch remains in effect until 800 PM CDT for a portion of 
west central Wisconsin.

&&

LAT...LON 4487 9214 4505 9207 4491 9165 4486 9165
      4468 9178 4469 9214
TIME...MOT...LOC 2027Z 202DEG 42KT 4473 9196

$$


WIC033-152045-
/O.CON.KMPX.TO.W.0022.000000T0000Z-250515T2045Z/
Dunn WI-
338 PM CDT Thu May 15 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTHERN 
DUNN COUNTY...

At 338 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Menomonie, moving northeast at 50 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed.
         Damage to roofs, windows and vehicles will occur. Tree
         damage is likely.

Locations impacted include...
  Menomonie, Boyceville, Elk Mound, Elmwood, Eau Galle, Knapp, 
  Weston, Downsville, Menomonie Airport, Cedar Falls and Hoffman 
  Hills Rec Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from windows. If you are outdoors, in a mobile home, 
or in a vehicle, move to the closest substantial shelter and protect 
yourself from flying debris.

&&

LAT...LON 4487 9214 4505 9207 4491 9165 4486 9165
      4468 9178 4469 9214
TIME...MOT...LOC 2027Z 202DEG 42KT 4473 9196

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Dye
399 
WWUS53 KMPX 152043
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
343 PM CDT Thu May 15 2025

WIC033-152053-
/O.EXP.KMPX.TO.W.0022.000000T0000Z-250515T2045Z/
Dunn WI-
343 PM CDT Thu May 15 2025

...TORNADO WARNING WILL EXPIRE AT 345 PM CDT FOR SOUTHERN DUNN 
COUNTY...

The Tornado Warning that was previously in effect has been reissued 
for Dunn and is in effect until 415 PM. Please refer to that 
bulletin for the latest severe weather information.

A Tornado Watch remains in effect until 800 PM CDT for a portion of 
west central Wisconsin.

&&

LAT...LON 4487 9214 4505 9207 4491 9165 4486 9165
      4468 9178 4469 9214
TIME...MOT...LOC 2038Z 202DEG 42KT 4485 9189

$$

Dye

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 1:55 PM CDTSevere Thunderstorm WarningMPXPierce35 min
May 15, 2:31 PM CDTSevere Thunderstorm WarningMPXPepin, Pierce, Saint Croix44 min
May 15, 2:53 PM CDTTornado WarningMPXPierce22 min
May 15, 3:01 PM CDTTornado WarningMPXDunn, Pepin, Pierce14 min
May 15, 3:07 PM CDTTornado WarningMPXSaint Croix23 min
May 15, 3:25 PM CDTTornado WarningMPXPolk, Saint Croix35 min
May 15, 3:30 PM CDTTornado WarningMPXChippewa, Dunn, Eau Claire, Pepin30 min
May 15, 3:41 PM CDTTornado WarningMPXDunn20 min
May 15, 3:49 PM CDTTornado WarningMPXPolk26 min
May 15, 3:58 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Rusk47 min
May 15, 4:05 PM CDTTornado WarningMPXChippewa, Eau Claire25 min
May 15, 4:16 PM CDTSevere Thunderstorm WarningMPXBarron, Polk29 min
May 15, 4:43 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Eau Claire, Rusk47 min

Nearby

Tornado Warnings in Wisconsin, 2025Every tornado warning in 2025Tornadoes 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.