Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 99, NWS Twin Cities, MN

May 11, 2022Pepin County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 11, 2022, 10:00 PM CDT for Pepin 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 11, 2022, 10:00 PM CDT (03:00 UTC)
Expired: May 11, 2022, 10:30 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Pepin County, WI

The radar

The La Crosse radar (KARX), 108 km from the middle of the area, began a volume at 03:01 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.

Issued	Product	Office	Lasted
May 11, 5:27 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.0 hours before the alert went out and 122 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 243 J/kg
Mixed-layer CIN: -306 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 439 m²/s²
0-3 km storm-relative helicity: 580 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 17.2

Open this sounding in Storm Lab

The text

As transmitted.

332 
WUUS53 KMPX 120300
SVRMPX
WIC091-120330-
/O.NEW.KMPX.SV.W.0099.220512T0300Z-220512T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1000 PM CDT Wed May 11 2022

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southwestern Pepin County in west central Wisconsin...

* Until 1030 PM CDT.

* At 1000 PM CDT, a severe thunderstorm was located near Pepin, or 10
  miles northwest of Wabasha, moving east at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  southwestern Pepin County, including the following locations...
  Ella and Porcupine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for west central
Wisconsin.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until midnight CDT for west central
Wisconsin.

&&

LAT...LON 4458 9203 4456 9204 4450 9205 4441 9209
      4445 9223 4449 9229 4454 9229 4454 9213
      4460 9214 4460 9201
TIME...MOT...LOC 0300Z 273DEG 32KT 4447 9219 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JRB

1 follow-up statement

762 
WWUS53 KMPX 120322
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1022 PM CDT Wed May 11 2022

WIC091-120332-
/O.EXP.KMPX.SV.W.0099.000000T0000Z-220512T0330Z/
Pepin WI-
1022 PM CDT Wed May 11 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PEPIN COUNTY WILL
EXPIRE AT 1030 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until midnight CDT for west central
Wisconsin.

LAT...LON 4458 9203 4456 9204 4450 9205 4441 9209
      4445 9223 4449 9229 4454 9229 4454 9213
      4460 9214 4460 9201
TIME...MOT...LOC 0322Z 273DEG 32KT 4446 9195 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 8:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Pierce	63 min
May 11, 8:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Polk, Saint Croix	65 min
May 11, 9:22 PM CDT	Tornado Warning	MPX	Pepin, Pierce	38 min
May 11, 9:34 PM CDT	Special Weather Statement	MPX	Barron, Dunn, Pepin	56 min
May 11, 10:20 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire, Pepin	55 min
May 11, 10:22 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Rusk	38 min
May 11, 10:31 PM CDT	Special Weather Statement	MPX	Barron, Chippewa, Dunn, Eau Claire, Pepin, Rusk	89 min
May 11, 10:53 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire, Rusk	67 min
May 12, 12:01 AM CDT	Special Weather Statement	MPX	Chippewa, Eau Claire, Rusk	29 min
May 12, 12:37 AM CDT	Special Weather Statement	MPX	Chippewa	8 min
May 12, 2:58 PM CDT	Special Weather Statement	MPX	Rusk	62 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2022 Every severe thunderstorm warning 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.