Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

March 10, 2021Barron County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Mar 10, 2021, 6:39 PM CST for Barron County, Wisconsin. It was in force for 51 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
Mar 10, 2021, 6:39 PM CST (00:39 UTC)
Expired
Mar 10, 2021, 7:30 PM CST
In force
51 min
Issued by
NWS Twin Cities, MN

County Barron County, WI

The radar

The Minneapolis radar (KMPX), 147 km from the middle of the area, began a volume at 00:39 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, 0.7 hours before the alert went out and 150 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 2021-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2021-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
299 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

702 
WWUS83 KMPX 110039
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
639 PM CST Wed Mar 10 2021

WIZ014-015-023-025-110130-
Polk-Barron-St. Croix-Dunn-
639 PM CST Wed Mar 10 2021

...A LINE OF STORMS WILL AFFECT NORTHWESTERN DUNN...NORTHEASTERN ST.
CROIX...BARRON AND SOUTHEASTERN POLK COUNTIES...

At 639 PM CST, radar indicated strong thunderstorms were located
along a line extending from 9 miles east of Luck to near Glenwood
City. Movement was northeast at 45 mph.

Winds in excess of 40 mph and half inch hail are possible with these
storms.

Locations impacted include...
Rice Lake, Barron, Chetek, Cumberland, Cameron, Glenwood City, Turtle
Lake, Almena, Clayton, Prairie Farm, Dallas and Haugen.

LAT...LON 4520 9158 4521 9166 4518 9167 4503 9223
      4525 9222 4558 9235 4564 9214 4564 9155
      4554 9153 4522 9154
TIME...MOT...LOC 0039Z 239DEG 37KT 4556 9228 4508 9214 

$$

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 6:23 PM CSTSpecial Weather StatementMPXRamsey, Washington37 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.