Alert archive / Wisconsin / Special Weather Statements in 2012

Special Weather Statement, NWS Twin Cities, MN

March 19, 2012Barron County, Chippewa County, Rusk County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Mar 19, 2012, 10:30 PM CDT for Barron County, Chippewa County, Rusk County, Wisconsin. It was in force for 45 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 19, 2012, 10:30 PM CDT (03:30 UTC)
Expired
Mar 19, 2012, 11:15 PM CDT
In force
45 min
Issued by
NWS Twin Cities, MN

Counties Barron County, WI, Chippewa County, WI, Rusk County, WI

The radar

The La Crosse radar (KARX), 147 km from the middle of the area, began a volume at 03:30 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, 3.5 hours before the alert went out and 161 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 2012-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 735 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 2012-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
735 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1071 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

119 
WWUS83 KMPX 200330
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1030 PM CDT MON MAR 19 2012

WIZ015-016-025-027-028-200415-
BARRON-CHIPPEWA-DUNN-EAU CLAIRE-RUSK-
1030 PM CDT MON MAR 19 2012

...THUNDERSTORMS MOVING OVER BARRON...CHIPPEWA...DUNN...EAU CLAIRE 
AND RUSK COUNTIES THROUGH 1115 PM CDT...

AT 1024 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES EAST OF CLAM FALLS
TO 5 MILES NORTH OF STRUM. THESE STORMS WERE MOVING NORTH AT 55 MPH.

WINDS UP TO 40 MPH AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE
STORMS.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  HILLSDALE.
  SAND CREEK.
  LAKE HALLIE.
  NEW AUBURN.
  SUMNER.
  JIM FALLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 4459 9135 4460 9145 4561 9216 4565 9215
      4564 9104
TIME...MOT...LOC 0329Z 189DEG 51KT 4578 9218 4469 9141

$$

JPC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 7:12 PM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Hennepin, Scott, Wright33 min
Mar 19, 7:37 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Isanti, Mille Lacs, Sherburne, Wright38 min
Mar 19, 8:22 PM CDTSpecial Weather StatementMPXDakota, Goodhue, Ramsey, Washington38 min
Mar 19, 9:14 PM CDTSpecial Weather StatementMPXChisago46 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.