Alert archive / Wisconsin / Special Weather Statements in 2019

Special Weather Statement, NWS Twin Cities, MN

August 27, 2019Barron County, Dunn County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Aug 27, 2019, 3:21 PM CDT for Barron County, Dunn County, Wisconsin. It was in force for 39 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
Aug 27, 2019, 3:21 PM CDT (20:21 UTC)
Expired
Aug 27, 2019, 4:00 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN

Counties Barron County, WI, Dunn County, WI

The radar

The Minneapolis radar (KMPX), 145 km from the middle of the area, began a volume at 20:23 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 12:00Z, 8.4 hours before the alert went out and 147 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 2019-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 12:00Z on 2019-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897117136Sfc1 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
31 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
1396 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

727 
WWUS83 KMPX 272021
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
321 PM CDT Tue Aug 27 2019

WIZ014-015-023-025-272100-
Polk-Barron-St. Croix-Dunn-
321 PM CDT Tue Aug 27 2019

...A STRONG THUNDERSTORM WILL AFFECT DUNN...EASTERN ST. CROIX...
BARRON AND SOUTHEASTERN POLK COUNTIES...

At 321 PM CDT, a strong thunderstorm was located 7 miles south of
Clear Lake, or 24 miles northwest of Menomonie, moving east at 50
mph.

Wind gusts up to 50 mph and pea size hail are possible with this
storm.

Locations impacted include...
Menomonie, Rice Lake, Barron, Chetek, Cumberland, Baldwin, Hammond,
Cameron, Woodville, Glenwood City, Colfax and Boyceville.

This includes the following highways...
 Interstate 94 in Wisconsin between mile markers 15 and 56.
 U.S. Highway 53 between mile markers 120 and 152.

LAT...LON 4521 9167 4497 9165 4483 9166 4491 9250
      4564 9213 4563 9154 4521 9154
TIME...MOT...LOC 2021Z 276DEG 46KT 4515 9224 

$$

JRB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 7:55 PM CDTSpecial Weather StatementMPXIsanti, Kanabec35 min
Aug 26, 7:59 PM CDTSpecial Weather StatementMPXAnoka46 min
Aug 27, 12:28 PM CDTSpecial Weather StatementMPXAnoka47 min
Aug 27, 12:30 PM CDTSpecial Weather StatementMPXWright45 min
Aug 27, 12:46 PM CDTSpecial Weather StatementMPXWright44 min
Aug 27, 12:47 PM CDTSpecial Weather StatementMPXStearns43 min
Aug 27, 12:51 PM CDTSpecial Weather StatementMPXMcLeod39 min
Aug 27, 1:05 PM CDTSpecial Weather StatementMPXMille Lacs40 min
Aug 27, 1:09 PM CDTSpecial Weather StatementMPXStearns36 min
Aug 27, 1:12 PM CDTSpecial Weather StatementMPXScott33 min
Aug 27, 1:14 PM CDTSpecial Weather StatementMPXKanabec16 min
Aug 27, 1:19 PM CDTSpecial Weather StatementMPXAnoka41 min
Aug 27, 1:31 PM CDTSpecial Weather StatementMPXSibley59 min
Aug 27, 1:33 PM CDTSevere Thunderstorm WarningMPXWashington21 min
Aug 27, 1:39 PM CDTSpecial Weather StatementMPXDakota36 min
Aug 27, 1:53 PM CDTSpecial Weather StatementMPXRamsey, Washington37 min
Aug 27, 1:58 PM CDTSpecial Weather StatementMPXDakota32 min
Aug 27, 2:06 PM CDTSpecial Weather StatementMPXAnoka39 min
Aug 27, 2:18 PM CDTSpecial Weather StatementMPXGoodhue42 min
Aug 27, 2:51 PM CDTSpecial Weather StatementMPXRamsey, Washington39 min
Aug 27, 2:54 PM CDTSpecial Weather StatementMPXRice36 min
Aug 27, 1:07 PM CDTSpecial Weather StatementMPXSaint Croix38 min
Aug 27, 2:01 PM CDTSpecial Weather StatementMPXBarron44 min
Aug 27, 2:08 PM CDTSpecial Weather StatementMPXPierce52 min
Aug 27, 2:20 PM CDTSpecial Weather StatementMPXSaint Croix55 min
Aug 27, 3:59 PM CDTSpecial Weather StatementMPXBarron, Chippewa, Dunn, Eau Claire, Rusk61 min

Nearby

Special Weather Statements in Wisconsin, 2019Every special weather statement in 2019

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.