Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 196, NWS Twin Cities, MN

July 11, 20086 counties in Wisconsin; Dakota County, Goodhue County, Rice County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 11, 2008, 9:29 PM CDT for 6 counties in Wisconsin; Dakota County, Goodhue County, Rice County, Minnesota. It was in force for 61 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
Jul 11, 2008, 9:29 PM CDT (02:29 UTC)
Expired
Jul 11, 2008, 10:30 PM CDT
In force
61 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Dakota County, MN, Goodhue County, MN, Rice County, MN, Barron County, WI, Dunn County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Saint Croix County, WI

What was reported inside it

TimeReportWhereRemark
Jul 11, 9:36 PM CDTHAIL 0.755 Sw Northfield, MN
Jul 11, 10:00 PM CDTTSTM WND DMGMenomonie, WI6 TO 8 INCH TREE LIMBS DOWNED.
Jul 11, 10:13 PM CDTTSTM WND GST 40Lake City, MN
Jul 11, 10:17 PM CDTTSTM WND GST 453 Nw Oronoco, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 11, 6:13 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 108 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 2008-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2916 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2008-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
2916 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1332 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
1.6
Supercell composite
12.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 120229
SVRMPX
MNC037-049-131-WIC005-033-091-093-095-109-120330-
/O.NEW.KMPX.SV.W.0196.080712T0229Z-080712T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
929 PM CDT FRI JUL 11 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  EASTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHEASTERN POLK COUNTY IN NORTHWEST WISCONSIN...
  SOUTHERN BARRON COUNTY IN NORTHWEST WISCONSIN...
  EASTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
  DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
  PEPIN COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 1030 PM CDT

* AT 925 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING PENNY SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9
  MILES WEST OF PRAIRIE FARM TO FARIBAULT...AND MOVING EAST AT 39
  MPH.

* SOME LOCATIONS INCLUDE...
  MIESVILLE...
  CANNON FALLS...
  BALDWIN...
  NERSTRAND...
  PRAIRIE FARM...
  CONNORSVILLE...
  WOODVILLE...
  GLENWOOD CITY...
  DIAMOND BLUFF...
  KENYON...
  WELCH...
  ELLSWORTH...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 4521 9167 4458 9166 4459 9201 4441 9210
      4445 9240 4438 9241 4435 9253 4418 9256
      4420 9326 4451 9332 4474 9274 4529 9229
      4529 9155 4522 9155
TIME...MOT...LOC 0229Z 282DEG 34KT 4526 9210 4429 9318

$$

KAT
1 follow-up statement
000 
WWUS53 KMPX 120326
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1025 PM CDT FRI JUL 11 2008

MNC037-049-131-WIC005-033-091-093-095-109-120335-
/O.EXP.KMPX.SV.W.0196.000000T0000Z-080712T0330Z/
DAKOTA MN-GOODHUE MN-RICE MN-POLK WI-BARRON WI-ST. CROIX WI-DUNN WI-
PIERCE WI-PEPIN WI-
1025 PM CDT FRI JUL 11 2008

...THE SEVERE THUNDERSTORM WARNING FOR PEPIN...PIERCE...DUNN...
EASTERN ST. CROIX...SOUTHERN BARRON...SOUTHEASTERN POLK...EASTERN
RICE...GOODHUE AND SOUTHERN DAKOTA COUNTIES EXPIRES AT 1030 PM CDT...

THE STORMS THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAVE 
DECREASED IN INTENSITY TO BELOW SEVERE LIMITS...AND THEREFORE...THE 
WARNING WILL BE ALLOWED TO EXPIRE AT 1030 PM.

GUSTY WINDS AND HEAVY RAIN WILL REMAIN POSSIBLE OVER EASTERN 
PORTIONS OF DUNN AND PEPIN COUNTIES...AS WELL AS SOUTHEASTERN 
GOODHUE COUNTY THROUGH 11 PM.

LAT...LON 4521 9167 4458 9166 4459 9201 4441 9210
      4445 9240 4438 9241 4435 9253 4418 9256
      4420 9326 4451 9332 4474 9274 4529 9229
      4529 9155 4522 9155
TIME...MOT...LOC 0325Z 282DEG 34KT 4515 9137 4418 9246

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 8:17 PM CDTSevere Thunderstorm WarningMPXPolk58 min
Jul 11, 8:33 PM CDTSevere Thunderstorm WarningMPXSaint Croix57 min
Jul 11, 8:46 PM CDTTornado WarningMPXPolk20 min
Jul 11, 9:11 PM CDTTornado WarningMPXBarron, Polk49 min
Jul 11, 7:10 PM CDTTornado WarningMPXMcLeod, Meeker39 min
Jul 11, 7:16 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Sherburne, Wright44 min
Jul 11, 7:24 PM CDTTornado WarningMPXWright36 min
Jul 11, 7:28 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Sibley47 min
Jul 11, 7:37 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Nicollet53 min
Jul 11, 7:43 PM CDTSevere Thunderstorm WarningMPXIsanti, Kanabec47 min
Jul 11, 7:43 PM CDTSevere Thunderstorm WarningMPXRenville17 min
Jul 11, 7:56 PM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Chisago, Hennepin, Ramsey, Washington64 min
Jul 11, 8:03 PM CDTSevere Thunderstorm WarningMPXSherburne27 min
Jul 11, 8:10 PM CDTSevere Thunderstorm WarningMPXCarver, Sibley35 min
Jul 11, 8:19 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Scott56 min
Jul 11, 8:26 PM CDTSevere Thunderstorm WarningMPXIsanti19 min
Jul 11, 8:30 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Nicollet45 min
Jul 11, 8:36 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice54 min
Jul 11, 9:14 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Rice, Steele, Waseca61 min
Jul 11, 10:13 PM CDTSevere Thunderstorm WarningMPXFreeborn47 min
Jul 11, 10:18 PM CDTSevere Thunderstorm WarningMPXSteele19 min
Jul 12, 3:45 AM CDTWind AdvisoryMPXChippewa, Douglas, Lac qui Parle, Pope, Stevens, Swift and 1 more15 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2008Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008

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.