Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 45, NWS Twin Cities, MN

June 24, 2021Barron County, Chippewa County, Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 24, 2021, 3:04 PM CDT for Barron County, Chippewa County, Dunn County, Wisconsin. It was in force for 41 min. 3 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
Jun 24, 2021, 3:04 PM CDT (20:04 UTC)
Expired
Jun 24, 2021, 3:45 PM CDT
In force
41 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Barron County, WI, Chippewa County, WI, Dunn County, WI

The radar

The La Crosse radar (KARX), 154 km from the middle of the area, began a volume at 20:04 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

TimeReportWhereRemark
Jun 24, 3:30 PM CDTTSTM WND DMG6 Ne Bloomer, WILARGE, HEALTHY TREE SNAPPED, PHOTO ON SOCIAL MEDIA.
Jun 24, 3:34 PM CDTHAIL 13 Nnw Bloomer, WISPOTTED REPORTED NEAR 64 AND 53 INTERCHANGE.
Jun 24, 3:40 PM CDTHAIL 21 Wnw Bloomer, WI2 INCH HAIL, PHOTO SENT OVER SOCIAL MEDIA.

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, 8.1 hours before the alert went out and 163 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 2021-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1586 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 square meters per square second.19395878Sfc1 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
1586 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1372 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

805 
WUUS53 KMPX 242004
SVRMPX
WIC005-017-033-242045-
/O.NEW.KMPX.SV.W.0045.210624T2004Z-210624T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
304 PM CDT Thu Jun 24 2021

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Dunn County in west central Wisconsin...
  Northwestern Chippewa County in west central Wisconsin...
  Southeastern Barron County in northwestern Wisconsin...

* Until 345 PM CDT.

* At 304 PM CDT, a severe thunderstorm was located over New Auburn,
  or 22 miles southeast of Rice Lake, moving east at 10 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 be near...
  Bloomer around 315 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4508 9181 4525 9181 4530 9152 4529 9128
      4506 9126
TIME...MOT...LOC 2004Z 275DEG 10KT 4519 9154 

HAIL...1.00IN
WIND...60MPH
 
$$

CEO
2 follow-up statements
859 
WWUS53 KMPX 242021
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
321 PM CDT Thu Jun 24 2021

WIC005-033-242029-
/O.CAN.KMPX.SV.W.0045.000000T0000Z-210624T2045Z/
Dunn WI-Barron WI-
321 PM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DUNN AND
SOUTHEASTERN BARRON COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4506 9126 4508 9165 4512 9165 4512 9167
      4517 9167 4520 9154 4530 9152 4529 9128
TIME...MOT...LOC 2019Z 275DEG 10KT 4519 9148 

$$

WIC017-242045-
/O.CON.KMPX.SV.W.0045.000000T0000Z-210624T2045Z/
Chippewa WI-
321 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR NORTHWESTERN CHIPPEWA COUNTY...

At 319 PM CDT, a severe thunderstorm was located near New Auburn, or
22 miles north of Eau Claire, moving east at 10 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
northwestern Chippewa County, including the following locations...
Chippewa Moraine State Rec Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4506 9126 4508 9165 4512 9165 4512 9167
      4517 9167 4520 9154 4530 9152 4529 9128
TIME...MOT...LOC 2019Z 275DEG 10KT 4519 9148 

HAIL...1.00IN
WIND...60MPH
 
$$

CEO
720 
WWUS53 KMPX 242033
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
333 PM CDT Thu Jun 24 2021

WIC017-242045-
/O.CON.KMPX.SV.W.0045.000000T0000Z-210624T2045Z/
Chippewa WI-
333 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR NORTHWESTERN CHIPPEWA COUNTY...

At 333 PM CDT, a severe thunderstorm was located over Bloomer, or 16
miles north of Eau Claire, moving southeast at 20 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.

Locations impacted include...
Bloomer and Chippewa Moraine State Rec Area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4506 9126 4508 9165 4513 9163 4529 9128
TIME...MOT...LOC 2033Z 300DEG 19KT 4510 9148 

HAIL...1.00IN
WIND...60MPH
 
$$

CEO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 3:37 AM CDTSpecial Weather StatementMPXBarron38 min
Jun 24, 3:43 AM CDTSevere Thunderstorm WarningMPXBarron31 min
Jun 24, 4:52 AM CDTSpecial Weather StatementMPXRusk38 min
Jun 24, 2:33 PM CDTSpecial Weather StatementMPXChippewa42 min
Jun 24, 3:42 PM CDTSevere Thunderstorm WarningMPXChippewa48 min
Jun 24, 4:20 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire27 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2021Every severe thunderstorm warning in 2021

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.