Alert archive / Wisconsin / Tornado Warnings in 2023
Tornado Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 4, 2023, 6:28 PM CDT for Pepin County, Pierce County, Wisconsin. It was in force for 32 min. 2 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
- Jul 4, 2023, 6:28 PM CDT (23:28 UTC)
- Expired
- Jul 4, 2023, 7:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Pepin County, WI, Pierce County, WI
The radar
The La Crosse radar (KARX), 110 km from the middle of the area, began a volume at 23:29 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 |
|---|---|---|---|
| Jul 4, 6:35 PM CDT | FUNNEL CLOUD | 6 Se Plum City, WI | Reported near Porcupine in Pepin County. So far there have not been any reports of trees or power lines down to indicate ground contact. |
| Jul 4, 6:55 PM CDT | TSTM WND DMG | Durand, WI | Facebook photo of an uprooted tree in Durand. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.5 hours before the alert went out and 125 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
- 1135 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 977 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
273
WFUS53 KMPX 042328
TORMPX
WIC091-093-050000-
/O.NEW.KMPX.TO.W.0007.230704T2328Z-230705T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
628 PM CDT Tue Jul 4 2023
The National Weather Service in the Twin Cities has issued a
* Tornado Warning for...
Northwestern Pepin County in west central Wisconsin...
Southeastern Pierce County in west central Wisconsin...
* Until 700 PM CDT.
* At 628 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Plum City, or 17 miles north of Wabasha, moving
northeast at 20 mph.
HAZARD...Tornado.
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...
Durand.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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 4460 9200 4458 9203 4456 9204 4455 9204
4452 9219 4460 9224 4468 9210 4468 9198
4460 9192
TIME...MOT...LOC 2328Z 242DEG 17KT 4462 9215
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CTG2 follow-up statements
132
WWUS53 KMPX 042343
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
643 PM CDT Tue Jul 4 2023
WIC093-042352-
/O.CAN.KMPX.TO.W.0007.000000T0000Z-230705T0000Z/
Pierce WI-
643 PM CDT Tue Jul 4 2023
...THE TORNADO WARNING FOR SOUTHEASTERN PIERCE COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 4460 9200 4458 9203 4456 9204 4455 9204
4454 9210 4460 9213 4466 9208 4468 9198
4460 9192
TIME...MOT...LOC 2342Z 242DEG 17KT 4465 9206
$$
WIC091-050000-
/O.CON.KMPX.TO.W.0007.000000T0000Z-230705T0000Z/
Pepin WI-
643 PM CDT Tue Jul 4 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR NORTH
CENTRAL PEPIN COUNTY...
At 642 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Eau Galle, or 18 miles southwest of Menomonie,
moving northeast at 20 mph.
HAZARD...Tornado.
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...
Durand, Arkansaw and Porcupine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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 4460 9200 4458 9203 4456 9204 4455 9204
4454 9210 4460 9213 4466 9208 4468 9198
4460 9192
TIME...MOT...LOC 2342Z 242DEG 17KT 4465 9206
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CTG523
WWUS53 KMPX 042353
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
653 PM CDT Tue Jul 4 2023
WIC091-050003-
/O.EXP.KMPX.TO.W.0007.000000T0000Z-230705T0000Z/
Pepin WI-
653 PM CDT Tue Jul 4 2023
...THE TORNADO WARNING FOR NORTH CENTRAL PEPIN COUNTY WILL EXPIRE AT
700 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 4460 9200 4458 9203 4456 9204 4455 9204
4454 9210 4460 9213 4466 9208 4468 9198
4460 9192
TIME...MOT...LOC 2353Z 242DEG 17KT 4467 9200
$$
CTGThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 7:34 PM CDT | Flash Flood Warning | MPX | Saint Croix | 101 min |
| Jul 3, 8:14 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 46 min |
| Jul 4, 10:57 AM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 33 min |
| Jul 4, 11:43 AM CDT | Special Weather Statement | MPX | Saint Croix | 32 min |
| Jul 4, 12:08 PM CDT | Special Weather Statement | MPX | Barron | 37 min |
Nearby
Tornado Warnings in Wisconsin, 2023Every tornado warning in 2023Tornadoes in 2023
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.