Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

June 8, 2021Pierce County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Jun 8, 2021, 10:59 PM CDT for Pierce County, Wisconsin. It was in force for 31 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
Jun 8, 2021, 10:59 PM CDT (03:59 UTC)
Expired
Jun 8, 2021, 11:30 PM CDT
In force
31 min
Issued by
NWS Twin Cities, MN

County Pierce County, WI

The radar

The Minneapolis radar (KMPX), 87 km from the middle of the area, began a volume at 04:00 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.0 hours before the alert went out and 89 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 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 905 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 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 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
905 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
2318 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

344 
WWUS83 KMPX 090359
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1059 PM CDT Tue Jun 8 2021

WIZ023-024-090430-
Pierce-St. Croix-
1059 PM CDT Tue Jun 8 2021

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL PIERCE AND
SOUTH CENTRAL ST. CROIX COUNTIES...

At 1058 PM CDT, strong thunderstorms were clustered near Ellsworth,
or 13 miles southeast of River Falls, moving west at 25 mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
River Falls, Ellsworth, El Paso, Diamond Bluff, Beldenville, Martel
and Esdaile.

Accumulating small hail is occurring with this storm which may result
in slick roads and difficult travel.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4461 9236 4463 9262 4471 9272 4495 9258
      4477 9226
TIME...MOT...LOC 0358Z 106DEG 20KT 4473 9239 

$$

BPH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 11:04 PM CDTSpecial Weather StatementMPXAnoka26 min
Jun 9, 4:30 PM CDTSpecial Weather StatementMPXStearns15 min
Jun 9, 4:39 PM CDTSpecial Weather StatementMPXStearns21 min
Jun 9, 5:20 PM CDTSpecial Weather StatementMPXMorrison40 min
Jun 9, 6:10 PM CDTSpecial Weather StatementMPXRamsey35 min
Jun 9, 6:14 PM CDTSpecial Weather StatementMPXAnoka31 min
Jun 9, 6:22 PM CDTSpecial Weather StatementMPXDakota23 min
Jun 9, 6:26 PM CDTSevere Thunderstorm WarningMPXTodd19 min
Jun 9, 6:48 PM CDTSpecial Weather StatementMPXRamsey42 min
Jun 9, 6:56 PM CDTSpecial Weather StatementMPXBenton34 min
Jun 9, 6:58 PM CDTSpecial Weather StatementMPXDakota17 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.