Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 294, NWS Twin Cities, MN

August 9, 2005Dunn County, Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 9, 2005, 4:43 PM CDT for Dunn County, Eau Claire County, Wisconsin. It was in force for 64 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, 2005, 4:43 PM CDT (21:43 UTC)
Expired
Aug 9, 2005, 5:47 PM CDT
In force
64 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Dunn County, WI, Eau Claire County, WI

The radar

The La Crosse radar (KARX), 114 km from the middle of the area, began a volume at 21:45 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 watch it was issued in

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

IssuedProductOfficeLasted
Aug 9, 1:45 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 9, 2:20 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.7 hours before the alert went out and 157 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 2005-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2206 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 2005-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
2206 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1490 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
-12 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.

000 
WUUS53 KMPX 092144
SVRMPX
WIC033-035-092245-
/O.NEW.KMPX.SV.W.0294.050809T2143Z-050809T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
443 PM CDT TUE AUG 9 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DUNN COUNTY IN WEST CENTRAL WISCONSIN
  EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 545 PM CDT

* AT 439 PM 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 MENOMONIE TO 
  ROCK FALLS AND NEAR DURAND...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EAU CLAIRE...
  DOWNSVILLE...
  ROCK FALLS...
  ALTOONA...
  CLEGHORN...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4498 9198 4469 9199 4470 9163 4462 9163
      4460 9097 4484 9095 4485 9165 4495 9167

$$

DWE
2 follow-up statements
000 
WWUS53 KMPX 092223
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
521 PM CDT TUE AUG 9 2005

WIC033-092231-
/O.CAN.KMPX.SV.W.0294.000000T0000Z-050809T2245Z/
DUNN WI-
521 PM CDT TUE AUG 9 2005

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

THE SEVERE THUNDERSTORMS HAVE MOVED SOUTHEAST OF THE AREA.  
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4484 9150 4472 9151 4462 9152 4460 9097
      4484 9095

$$

WIC035-092245-
/O.CON.KMPX.SV.W.0294.000000T0000Z-050809T2245Z/
EAU CLAIRE WI-
521 PM CDT TUE AUG 9 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 545 PM FOR 
EAU CLAIRE COUNTY...

AT 518 PM...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 CLEGHORN... 
BRACKETT AND FOSTER...AND MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE LUDINGTON...ALLEN...FALL 
CREEK...AUGUSTA AND ALTOONA...AND FAIRCHILD.

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 4484 9150 4472 9151 4462 9152 4460 9097
      4484 9095

$$

DWE
000 
WWUS53 KMPX 092247
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
547 PM CDT TUE AUG 9 2005

WIC035-092259-
/O.EXP.KMPX.SV.W.0294.000000T0000Z-050809T2245Z/
EAU CLAIRE WI-
547 PM CDT TUE AUG 9 2005

...THE SEVERE THUNDERSTORM WARNING FOR EAU CLAIRE COUNTY EXPIRED AT 
545 PM CDT...

THE SEVERE THUNDERSTORMS HAVE EXITED THE SOUTHEAST CORNER OF THE 
COUNTY.  THEREFORE THE WARNING WAS ALLOWED TO EXPIRE.


LAT...LON 4484 9150 4472 9151 4462 9152 4460 9097
      4484 9095

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 1:21 PM CDTSevere Thunderstorm WarningMPXBarron, Rusk62 min
Aug 9, 2:16 PM CDTSevere Thunderstorm WarningMPXChippewa30 min
Aug 9, 3:31 PM CDTSevere Thunderstorm WarningMPXPierce, Saint Croix59 min
Aug 9, 3:48 PM CDTSevere Thunderstorm WarningMPXChippewa57 min
Aug 9, 3:51 PM CDTSevere Thunderstorm WarningMPXDunn54 min
Aug 9, 4:25 PM CDTSevere Thunderstorm WarningMPXPepin, Pierce46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2005Every severe thunderstorm warning in 2005

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.