Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 99, NWS Twin Cities, MN

June 7, 2008Dunn County, Pepin County, Pierce County, Wisconsin; Goodhue County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2008, 8:51 AM CDT for Dunn County, Pepin County, Pierce County, Wisconsin; Goodhue County, Minnesota. 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, 2008, 8:51 AM CDT (13:51 UTC)
Expired
Jun 7, 2008, 9:34 AM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Goodhue County, MN, Dunn County, WI, Pepin County, WI, Pierce County, WI

The radar

The La Crosse radar (KARX), 113 km from the middle of the area, began a volume at 13:54 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, 1.9 hours before the alert went out and 116 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 2008-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 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 2008-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 318 square meters per square second.1939587897117Sfc1 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
131 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
1341 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
318 m²/s²
0-3 km storm-relative helicity
357 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 071350
SVRMPX
MNC049-WIC033-091-093-071445-
/O.NEW.KMPX.SV.W.0099.080607T1351Z-080607T1445Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
851 AM CDT SAT JUN 7 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  SOUTHWESTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  SOUTHERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
  PEPIN COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 945 AM CDT

* AT 844 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. 
  THIS STORM WAS LOCATED 8 MILES SOUTH OF WELCH...OR ABOUT 10 MILES
  SOUTH OF RED WING...AND MOVING NORTHEAST AT 62 MPH.

* SOME LOCATIONS INCLUDE...
  DIAMOND BLUFF...
  HAGER CITY...
  BAY CITY...
  FRONTENAC...
  STOCKHOLM...
  MAIDEN ROCK...
  PEPIN...
  PLUM CITY...
  PORCUPINE...
  ARKANSAW...
  ELMWOOD...
  DURAND...

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.

REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4459 9183 4459 9201 4445 9205 4441 9210
      4445 9225 4445 9240 4441 9242 4442 9272
      4465 9271 4494 9179
TIME...MOT...LOC 1351Z 240DEG 54KT 4449 9255

$$

KAT
2 follow-up statements
000 
WWUS53 KMPX 071413
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
913 AM CDT SAT JUN 7 2008

MNC049-WIC033-091-093-071445-
/O.CON.KMPX.SV.W.0099.000000T0000Z-080607T1445Z/
GOODHUE MN-DUNN WI-PIERCE WI-PEPIN WI-
913 AM CDT SAT JUN 7 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM CDT
FOR PEPIN...SOUTHEASTERN PIERCE...SOUTHWESTERN DUNN AND EXTREME EAST
CENTRAL GOODHUE COUNTIES...

AT 910 AM CDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THE MOST DANGEROUS PART OF THE STORM WAS
LOCATED ALONG A LINE EXTENDING FROM ELMWOOD TO 3 MILES SOUTHEAST OF
STOCKHOLM...AND MOVING NORTHEAST AT 64 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE PORCUPINE...EAU GALLE...
ARKANSAW...FRONTENAC...STOCKHOLM...PLUM CITY...PEPIN...MENOMONIE...
MAIDEN ROCK AND ELMWOOD.

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.

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4459 9183 4459 9201 4449 9205 4445 9205
      4441 9210 4445 9225 4445 9241 4477 9234
      4494 9179
TIME...MOT...LOC 1413Z 243DEG 56KT 4478 9211 4448 9216

$$

KAT
000 
WWUS53 KMPX 071434
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
932 AM CDT SAT JUN 7 2008

MNC049-WIC033-091-093-071442-
/O.CAN.KMPX.SV.W.0099.000000T0000Z-080607T1445Z/
GOODHUE MN-DUNN WI-PIERCE WI-PEPIN WI-
932 AM CDT SAT JUN 7 2008

...THE SEVERE THUNDERSTORM WARNING FOR PEPIN...SOUTHEASTERN PIERCE...
SOUTHWESTERN DUNN AND EXTREME EAST CENTRAL GOODHUE COUNTIES IS
CANCELLED...

RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED. THEREFORE...THE 
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

HEAVY RAIN AND CLOUD TO GROUND LIGHTNING WILL REMAIN POSSIBLE FROM 
MENOMONIE TO DURAND THROUGH 10 AM.

LAT...LON 4459 9183 4459 9201 4449 9205 4445 9205
      4441 9210 4445 9225 4445 9241 4477 9234
      4494 9179
TIME...MOT...LOC 1432Z 243DEG 56KT 4491 9173 4461 9179

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:15 AM CDTFlash Flood WatchMPXBlue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 6 more31 hr
Jun 7, 7:08 AM CDTSevere Thunderstorm WarningMPXMartin, Watonwan47 min
Jun 7, 7:58 AM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn42 min
Jun 7, 8:29 AM CDTSevere Thunderstorm WarningMPXFreeborn46 min
Jun 7, 8:32 AM CDTSevere Thunderstorm WarningMPXGoodhue43 min
Jun 7, 3:39 PM CDTSevere Thunderstorm WarningMPXFreeborn66 min
Jun 7, 3:55 PM CDTTornado WarningMPXFreeborn50 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.