Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

June 24, 2021Barron County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Jun 24, 2021, 3:37 AM CDT for Barron County, Wisconsin. It was in force for 38 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, 3:37 AM CDT (08:37 UTC)
Expired
Jun 24, 2021, 4:15 AM CDT
In force
38 min
Issued by
NWS Twin Cities, MN

County Barron County, WI

The radar

The Duluth radar (KDLH), 139 km from the middle of the area, began a volume at 08:36 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, 8.6 hours before the alert went out and 144 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.

177 
WWUS83 KMPX 240837
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
337 AM CDT Thu Jun 24 2021

WIZ014-015-240915-
Polk-Barron-
337 AM CDT Thu Jun 24 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN BARRON AND NORTHEASTERN
POLK COUNTIES...

At 337 AM CDT, a strong thunderstorm was located 9 miles west of
Cumberland, or 22 miles southwest of Spooner, moving southeast at 45
mph.

Nickel size hail is possible with this storm.

This storm will be near...
  Cumberland around 350 AM CDT.
  Almena around 355 AM CDT.
  Barron around 405 AM CDT.
  Rice Lake around 410 AM CDT.

Other locations impacted by this storm include Cumberland Airport,
Comstock and Mckinley.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4567 9215 4564 9215 4564 9207 4550 9166
      4533 9200 4558 9232 4569 9222
TIME...MOT...LOC 0837Z 303DEG 38KT 4558 9221 

$$

Borghoff

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 2:39 AM CDTSpecial Weather StatementMPXSherburne36 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, 3:04 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

Special Weather Statements in Wisconsin, 2021Every special weather statement 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.