Alert archive / Wisconsin / Tornado Warnings in 2025
Tornado Warning 23, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 15, 2025, 3:25 PM CDT for Polk County, Saint Croix County, Wisconsin. It was in force for 35 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 15, 2025, 3:25 PM CDT (20:25 UTC)
- Expired
- May 15, 2025, 4:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 93 km from the middle of the area, began a volume at 20:27 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 15, 3:30 PM CDT | TORNADO | 3 N Roberts, WI | Deputy reported a tornado on the ground north of Roberts along 110th. |
| May 15, 3:30 PM CDT | TORNADO | 3 Nw Hammond, WI | Tornado on the ground 4-5 miles north of house moving NNE. |
| May 15, 3:34 PM CDT | TORNADO | 7 S Deer Park, WI | Sent photo of ongoing tornado. |
| May 15, 3:40 PM CDT | TSTM WND DMG | 3 Sse Star Prairie, WI | Delayed report, time estimated from radar. Part of a roof blown off a shed. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 15, 12:46 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.4 hours before the alert went out and 96 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
- 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
The text
As transmitted.
480
WFUS53 KMPX 152025
TORMPX
WIC095-109-152100-
/O.NEW.KMPX.TO.W.0023.250515T2025Z-250515T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
325 PM CDT Thu May 15 2025
The National Weather Service in the Twin Cities has issued a
* Tornado Warning for...
Southeastern Polk County in northwestern Wisconsin...
Northeastern St. Croix County in west central Wisconsin...
* Until 400 PM CDT.
* At 325 PM CDT, a severe thunderstorm capable of producing a
tornado was located 5 miles north of Hammond, or 15 miles
northeast of River Falls, moving northeast at 35 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...
New Richmond, Roberts, Clear Lake, Star Prairie, Forest, Cylon,
Deer Park, New Richmond Airport, Huntington, Houlton and Boardman.
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 4521 9261 4531 9261 4527 9216 4521 9216
4496 9250 4500 9262
TIME...MOT...LOC 2025Z 216DEG 29KT 4504 9247
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Dye3 follow-up statements
042
WWUS53 KMPX 152030
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
330 PM CDT Thu May 15 2025
WIC095-109-152100-
/O.CON.KMPX.TO.W.0023.000000T0000Z-250515T2100Z/
Polk WI-St. Croix WI-
330 PM CDT Thu May 15 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 4 PM CDT FOR SOUTHEASTERN
POLK AND NORTHEASTERN ST. CROIX COUNTIES...
At 330 PM CDT, a confirmed tornado was located 6 miles southeast of
New Richmond, or 18 miles northeast of River Falls, moving northeast
at 35 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Law enforcement confirmed tornado north of Roberts.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Locations impacted include...
New Richmond, Clear Lake, Star Prairie, Cylon, Deer Park, New
Richmond Airport, Huntington, Houlton and Boardman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4521 9261 4531 9261 4527 9216 4521 9216
4500 9246 4505 9262
TIME...MOT...LOC 2025Z 216DEG 29KT 4505 9247
TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN
$$
Dye818
WWUS53 KMPX 152044
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
344 PM CDT Thu May 15 2025
WIC109-152054-
/O.CAN.KMPX.TO.W.0023.000000T0000Z-250515T2100Z/
St. Croix WI-
344 PM CDT Thu May 15 2025
...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN ST. CROIX COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for a portion of
west central Wisconsin.
&&
LAT...LON 4531 9261 4527 9216 4521 9216 4521 9261
TIME...MOT...LOC 2030Z 216DEG 29KT 4508 9243
$$
WIC095-152100-
/O.CON.KMPX.TO.W.0023.000000T0000Z-250515T2100Z/
Polk WI-
344 PM CDT Thu May 15 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 4 PM CDT FOR SOUTHEASTERN
POLK COUNTY...
At 344 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Clear Lake, or 25 miles northeast
of River Falls, moving northeast at 35 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Locations impacted include...
Clear Lake and Star Prairie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
This storm has a history of producing tornadoes.
&&
LAT...LON 4531 9261 4527 9216 4521 9216 4521 9261
TIME...MOT...LOC 2030Z 216DEG 29KT 4508 9243
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Dye498 WWUS53 KMPX 152059 SVSMPX Severe Weather Statement National Weather Service Twin Cities/Chanhassen MN 359 PM CDT Thu May 15 2025 WIC095-152109- /O.EXP.KMPX.TO.W.0023.000000T0000Z-250515T2100Z/ Polk WI- 359 PM CDT Thu May 15 2025 ...TORNADO WARNING WILL EXPIRE AT 4 PM CDT FOR SOUTHEASTERN POLK COUNTY... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. A Tornado Warning still remains in effect for northern Polk county. A Tornado Watch remains in effect until 800 PM CDT for a portion of northwest Wisconsin. && LAT...LON 4531 9261 4527 9216 4521 9216 4521 9261 TIME...MOT...LOC 2044Z 217DEG 29KT 4517 9234 $$ JRB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 1:55 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 35 min |
| May 15, 2:31 PM CDT | Severe Thunderstorm Warning | MPX | Pepin, Pierce, Saint Croix | 44 min |
| May 15, 2:53 PM CDT | Tornado Warning | MPX | Pierce | 22 min |
| May 15, 3:01 PM CDT | Tornado Warning | MPX | Dunn, Pepin, Pierce | 14 min |
| May 15, 3:07 PM CDT | Tornado Warning | MPX | Saint Croix | 23 min |
| May 15, 3:15 PM CDT | Tornado Warning | MPX | Dunn, Pepin, Pierce | 30 min |
| May 15, 3:30 PM CDT | Tornado Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin | 30 min |
| May 15, 3:41 PM CDT | Tornado Warning | MPX | Dunn | 20 min |
| May 15, 3:49 PM CDT | Tornado Warning | MPX | Polk | 26 min |
| May 15, 3:58 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Eau Claire, Pepin, Rusk | 47 min |
| May 15, 4:05 PM CDT | Tornado Warning | MPX | Chippewa, Eau Claire | 25 min |
| May 15, 4:16 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk | 29 min |
| May 15, 4:43 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Eau Claire, Rusk | 47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.