Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 66, NWS Twin Cities, MN

June 7, 2007Barron County, Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2007, 3:47 AM CDT for Barron County, Polk County, Wisconsin. It was in force for 43 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
Jun 7, 2007, 3:47 AM CDT (08:47 UTC)
Expired
Jun 7, 2007, 4:30 AM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Barron County, WI, Polk County, WI

The radar

The Minneapolis radar (KMPX), 115 km from the middle of the area, began a volume at 08:48 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, 8.8 hours before the alert went out and 117 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 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
914 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
780 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 070847
SVRMPX
WIC005-095-070930-
/O.NEW.KMPX.SV.W.0066.070607T0847Z-070607T0930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
347 AM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  POLK COUNTY IN NORTHWEST WISCONSIN...
  BARRON COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 430 AM CDT

* AT 344 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
   THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES
  SOUTHWEST OF AMERY TO 14 MILES SOUTH OF AMERY...AND MOVING
  NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  AMERY...
  TURTLE LAKE...
  BARRON...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4520 9268 4522 9206 4538 9162 4545 9217

$$

LS
2 follow-up statements
000 
WWUS53 KMPX 070859
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
359 AM CDT THU JUN 7 2007

WIC005-095-070930-
/O.CON.KMPX.SV.W.0066.000000T0000Z-070607T0930Z/
POLK WI-BARRON WI-
359 AM CDT THU JUN 7 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR BARRON AND POLK COUNTIES...

AT 357 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES WEST OF
JOEL TO 5 MILES SOUTHEAST OF TURTLE LAKE TO 3 MILES WEST OF PRAIRIE 
FARM...AND MOVING NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUMNER...JOEL...HILLSDALE...
CANTON...TURTLE LAKE...PRAIRIE FARM...DALLAS...CLEAR LAKE...CHETEK
AND CAMERON.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4522 9235 4522 9167 4548 9154 4545 9217
      4536 9236

$$

LS
000 
WWUS53 KMPX 070907
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
407 AM CDT THU JUN 7 2007

WIC095-070917-
/O.CAN.KMPX.SV.W.0066.000000T0000Z-070607T0930Z/
POLK WI-
407 AM CDT THU JUN 7 2007

...THE SEVERE THUNDERSTORM WARNING FOR POLK COUNTY IS CANCELLED...

LAT...LON 4523 9213 4522 9167 4556 9153 4553 9216

$$

WIC005-070930-
/O.CON.KMPX.SV.W.0066.000000T0000Z-070607T0930Z/
BARRON WI-
407 AM CDT THU JUN 7 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR BARRON COUNTY...

AT 405 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM ALMENA TO BARRON TO 4 MILES WEST
OF DALLAS...AND MOVING NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUMNER...HILLSDALE...
COMSTOCK...CANTON...RICE LAKE...PRAIRIE FARM...DALLAS...CUMBERLAND...
CHETEK AND CAMERON.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

LAT...LON 4523 9213 4522 9167 4556 9153 4553 9216

$$

LS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 3:26 AM CDTSevere Thunderstorm WarningMPXSaint Croix34 min
Jun 7, 3:56 AM CDTSevere Thunderstorm WarningMPXDunn34 min
Jun 7, 4:14 AM CDTWind AdvisoryMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more17 hr
Jun 7, 4:35 AM CDTSevere Thunderstorm WarningMPXRusk40 min
Jun 7, 11:33 AM CDTSevere Thunderstorm WarningMPXPierce57 min
Jun 7, 11:45 AM CDTTornado WarningMPXPierce45 min
Jun 7, 12:19 PM CDTSevere Thunderstorm WarningMPXDunn, Saint Croix41 min
Jun 7, 12:48 PM CDTTornado WarningMPXChippewa, Dunn42 min
Jun 7, 1:11 PM CDTSevere Thunderstorm WarningMPXBarron25 min
Jun 7, 1:24 PM CDTTornado WarningMPXChippewa, Rusk51 min
Jun 7, 1:56 PM CDTTornado WarningMPXEau Claire34 min
Jun 7, 2:25 PM CDTTornado WarningMPXEau Claire22 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2007Every severe thunderstorm warning in 2007

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.