Alert archive / Wisconsin / Special Weather Statements in 2012

Special Weather Statement, NWS Twin Cities, MN

August 9, 2012Barron County, Rusk County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Aug 9, 2012, 1:34 PM CDT for Barron County, Rusk County, Wisconsin. It was in force for 56 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 9, 2012, 1:34 PM CDT (18:34 UTC)
Expired
Aug 9, 2012, 2:30 PM CDT
In force
56 min
Issued by
NWS Twin Cities, MN

Counties Barron County, WI, Rusk County, WI

The radar

The Duluth radar (KDLH), 158 km from the middle of the area, began a volume at 18:37 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, 6.6 hours before the alert went out and 175 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 2012-08-09Temperature 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 12:00Z on 2012-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -74 square meters per square second.1939587897Sfc1 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
921 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
-74 m²/s²
0-3 km storm-relative helicity
-25 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.

717 
WWUS83 KMPX 091834
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
134 PM CDT THU AUG 9 2012

WIZ014>016-091930-
BARRON-POLK-RUSK-
134 PM CDT THU AUG 9 2012

...THUNDERSTORMS MOVING INTO BARRON...POLK AND RUSK COUNTIES THROUGH 
230 PM CDT...

AT 128 PM CDT...WEATHER SERVICE RADAR WAS TRACKING THUNDERSTORMS 
ALONG A LINE EXTENDING FROM MILLTOWN TO 6 MILES WEST OF EXELAND TO 
22 MILES EAST OF LORETTA. THESE STORMS WERE MOVING SOUTH AT 25 MPH.

ONE HALF INCH DIAMETER HAIL AND WINDS UP TO 30 MPH ARE POSSIBLE WITH
THESE STORMS.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  MIKANA.
  COMSTOCK.
  RANGE.
  JOEL.
  WEYERHAEUSER.
  SUMNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 4537 9091 4532 9092 4531 9130 4522 9233
      4566 9254 4573 9254 4574 9216 4565 9214
      4564 9068 4538 9067
TIME...MOT...LOC 1834Z 353DEG 20KT 4549 9251 4562 9137
          4574 9041

$$

CLF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 1:59 PM CDTSpecial Weather StatementMPXWabasha31 min
Aug 9, 4:07 PM CDTSpecial Weather StatementMPXGoodhue53 min
Aug 9, 3:06 PM CDTSpecial Weather StatementMPXChippewa, Dunn39 min

Nearby

Special Weather Statements in Wisconsin, 2012Every special weather statement in 2012

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.