Alert archive / Wisconsin / Special Weather Statements in 2013

Special Weather Statement, NWS Twin Cities, MN

August 21, 2013Barron County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Aug 21, 2013, 3:21 PM CDT for Barron County, Wisconsin. It was in force for 39 min. 4 reports 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
Aug 21, 2013, 3:21 PM CDT (20:21 UTC)
Expired
Aug 21, 2013, 4:00 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN

County Barron County, WI

The radar

The Duluth radar (KDLH), 148 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.

What was reported inside it

TimeReportWhereRemark
Aug 21, 3:40 PM CDTHAIL 1.255 Nnw Rice Lake, WIHAILED ABOUT FIVE MINUTES. TRUCK DENTED. SOME LEAVES STRIPPED IN NEARBY CORN FIELD.
Aug 21, 3:50 PM CDTHAIL 12 Wsw Rice Lake, WISMALL BRANCHES ALSO DOWN.
Aug 21, 4:00 PM CDTHAIL 12 Sw Rice Lake, WI
Aug 21, 4:01 PM CDTHAIL 0.25Rice Lake, WIHAIL NOW ALSO VERY HEAVY RAIN FOR 20 MINUTES

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 12:00Z, 8.4 hours before the alert went out and 154 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 2013-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2865 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 2013-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 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
2865 J/kg
Mixed-layer CIN
-197 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

239 
WWUS83 KMPX 212021
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
321 PM CDT WED AUG 21 2013

WIZ015-212100-
BARRON-
321 PM CDT WED AUG 21 2013

...THUNDERSTORMS MOVING OVER BARRON COUNTY THROUGH
400 PM CDT...

AT 317 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 11 MILES SOUTH OF SHELL LAKE. THIS STORM WAS MOVING
SOUTHEAST AT 20 MPH.

HAIL UP TO NICKEL SIZE AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  BARRONETT.
  CUMBERLAND AP.
  HAUGEN.
  RICE LAKE.

LAT...LON 4537 9185 4558 9213 4565 9203 4565 9184
      4554 9164
TIME...MOT...LOC 2022Z 312DEG 15KT 4558 9194

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 3:51 AM CDTHeat AdvisoryMPXAnoka, Blue Earth, Brown, Carver, Chisago, Dakota and 15 more10 hr
Aug 21, 2:52 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Nicollet, Scott, Sibley38 min
Aug 21, 3:30 PM CDTSpecial Weather StatementMPXDakota30 min
Aug 21, 3:39 PM CDTSevere Thunderstorm WarningMPXDakota36 min
Aug 21, 3:37 PM CDTSevere Thunderstorm WarningMPXBarron38 min
Aug 21, 4:08 PM CDTSpecial Weather StatementMPXPierce52 min
Aug 21, 4:21 PM CDTSpecial Weather StatementMPXChippewa39 min
Aug 21, 4:39 PM CDTSpecial Weather StatementMPXDunn51 min
Aug 21, 4:53 PM CDTSevere Thunderstorm WarningMPXDunn37 min
Aug 21, 5:09 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire51 min
Aug 21, 5:25 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire20 min

Nearby

Special Weather Statements in Wisconsin, 2013Every special weather statement in 2013

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.