Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 44, NWS Twin Cities, MN

June 24, 2021Barron County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 24, 2021, 3:43 AM CDT for Barron County, Wisconsin. It was in force for 31 min. 1 report 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, 3:43 AM CDT (08:43 UTC)
Expired
Jun 24, 2021, 4:14 AM CDT
In force
31 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

County Barron County, WI

The radar

The Minneapolis radar (KMPX), 146 km from the middle of the area, began a volume at 08:43 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, 4:05 AM CDTHAIL 0.72 E Cumberland, WI

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 00:00Z, 8.7 hours before the alert went out and 148 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 00:00Z on 2021-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 561 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 00:00Z on 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
561 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1897 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

745 
WUUS53 KMPX 240843
SVRMPX
WIC005-240930-
/O.NEW.KMPX.SV.W.0044.210624T0843Z-210624T0930Z/

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

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northern Barron County in northwestern Wisconsin...

* Until 430 AM CDT.

* At 343 AM CDT, a severe thunderstorm was located near Cumberland,
  or 20 miles west of Rice Lake, moving southeast at 40 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Cumberland around 350 AM CDT.
  Rice Lake and Barron around 410 AM CDT.
  Cameron around 415 AM CDT.

Other locations impacted by this severe thunderstorm include
Cumberland Airport, Comstock and Rice Lake Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4532 9181 4551 9216 4564 9216 4564 9212
      4554 9159
TIME...MOT...LOC 0843Z 293DEG 36KT 4557 9214 

HAIL...1.25IN
WIND...<50MPH
 
$$

Borghoff
2 follow-up statements
504 
WWUS53 KMPX 240859
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
359 AM CDT Thu Jun 24 2021

WIC005-240930-
/O.CON.KMPX.SV.W.0044.000000T0000Z-210624T0930Z/
Barron WI-
359 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHERN BARRON COUNTY...

At 359 AM CDT, a severe thunderstorm was located over Cumberland, or
12 miles west of Rice Lake, moving east at 35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe storm will be near...
  Rice Lake and Cameron around 420 AM CDT.

Other locations impacted by this severe thunderstorm include
Cumberland Airport and Rice Lake Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4538 9178 4553 9209 4562 9202 4554 9159
TIME...MOT...LOC 0859Z 288DEG 31KT 4554 9197 

HAIL...1.00IN
WIND...<50MPH
 
$$

Borghoff
803 
WWUS53 KMPX 240914
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
414 AM CDT Thu Jun 24 2021

WIC005-240922-
/O.CAN.KMPX.SV.W.0044.000000T0000Z-210624T0930Z/
Barron WI-
414 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BARRON COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However small hail is
still possible with this thunderstorm.

LAT...LON 4538 9178 4553 9209 4562 9202 4554 9159
TIME...MOT...LOC 0910Z 293DEG 36KT 4549 9179 

$$

Borghoff

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, 4:52 AM CDTSpecial Weather StatementMPXRusk38 min
Jun 24, 2:33 PM CDTSpecial Weather StatementMPXChippewa42 min
Jun 24, 3:04 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Dunn41 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.