Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 243, NWS Twin Cities, MN

July 23, 2005Chippewa County, Eau Claire County, Pepin County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2005, 11:54 AM CDT for Chippewa County, Eau Claire County, Pepin County, Wisconsin. It was in force for 66 min. 8 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 23, 2005, 11:54 AM CDT (16:54 UTC)
Expired
Jul 23, 2005, 1:00 PM CDT
In force
66 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Chippewa County, WI, Eau Claire County, WI, Pepin County, WI

The radar

The La Crosse radar (KARX), 124 km from the middle of the area, began a volume at 16:57 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.

What was reported inside it

TimeReportWhereRemark
Jul 23, 12:10 PM CDTTSTM WND DMGEau Claire, WIHALF OF A CHIMNEY BLOWN OFF OF A HOUSE
Jul 23, 12:10 PM CDTTSTM WND DMGEau Claire, WIHALF OF A CHIMNEY BLOW OFF OF A HOUSE
Jul 23, 12:10 PM CDTHAIL 1.25Eau Claire, WI
Jul 23, 12:14 PM CDTTSTM WND DMGEau Claire, WITREES DOWN
Jul 23, 12:15 PM CDTTSTM WND DMGChippewa Falls, WITREES DOWN COUNTY WIDE
Jul 23, 12:15 PM CDTHAIL 1N Eau Claire, WISEVERAL TREES DOWN
Jul 23, 12:20 PM CDTTSTM WND DMGAugusta, WITREES AND POWERLINES DOWN.
Jul 23, 12:20 PM CDTTSTM WND DMGEau Claire, WI8 TO 10 INCH TREE LIMBS DOWN

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 23, 10:15 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 4.9 hours before the alert went out and 166 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 2005-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 883 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 2005-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
883 J/kg
Mixed-layer CIN
-215 J/kg
Mixed-layer LCL
1174 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 231654
SVRMPX
WIC017-035-091-231800-
/O.NEW.KMPX.SV.W.0243.050723T1654Z-050723T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1154 AM CDT SAT JUL 23 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 100 PM CDT

* AT 1152 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 26 MILES
  NORTHWEST OF BLOOMER TO 29 MILES SOUTHWEST OF EAU CLAIRE...AND     
  MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EAU CLAIRE...
  BLOOMER...
  CHIPPEWA FALLS...
  RURAL AREAS OF PEPIN COUNTY EAST OF DURAND...

THIS IS A DANGEROUS STORM AND HAS A HISTORY OF PRODUCING DAMAGING 
WINDS. 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 4530 9151 4488 9162 4469 9161 4467 9189
      4461 9191 4461 9094 4527 9095

$$

KAT
3 follow-up statements
000 
WWUS53 KMPX 231716
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1213 PM CDT SAT JUL 23 2005

WIC017-035-091-231800-
/O.CON.KMPX.SV.W.0243.000000T0000Z-050723T1800Z/
CHIPPEWA WI-EAU CLAIRE WI-PEPIN WI-
1213 PM CDT SAT JUL 23 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 100 PM CDT FOR
PEPIN...EAU CLAIRE AND CHIPPEWA COUNTIES...

AT 1210 PM CDT...HAIL UP TO THE SIZE OF HALF DOLLARS WAS REPORTED IN 
THE SOUTHEAST SECTION OF EAU CLAIRE WITH THIS STORM. NUMEROUS TREES 
WERE ALSO REPORTED DOWNED IN EAU CLAIRE.

AT 1208 PM CDT...THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM 18 MILES SOUTHEAST OF RICE LAKE TO CHIPPEWA FALLS TO 
MONDOVI...MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE LUDINGTON...JIM FALLS...
HOLCOMBE...FOSTER...EAGLETON...BRACKETT...BATEMAN...STANLEY...LAKE
WISSOTA...FALL CREEK...EAU CLAIRE...CORNELL...CHIPPEWA FALLS...
CADOTT...BOYD...AUGUSTA AND ALTOONA.

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

LAT...LON 4530 9151 4488 9162 4469 9161 4467 9175
      4461 9176 4461 9094 4527 9095

$$

KAT
000 
WWUS53 KMPX 231735
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1233 PM CDT SAT JUL 23 2005

WIC091-231743-
/O.CAN.KMPX.SV.W.0243.000000T0000Z-050723T1800Z/
PEPIN WI-
1233 PM CDT SAT JUL 23 2005

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

THE STORMS THAT PROMPTED THE WARNING FOR PEPIN COUNTY HAVE MOVED 
EAST OF THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS 
BEEN CANCELLED.

LAT...LON 4528 9138 4490 9130 4462 9152 4461 9094
      4527 9095

$$

WIC017-035-231800-
/O.CON.KMPX.SV.W.0243.000000T0000Z-050723T1800Z/
CHIPPEWA WI-EAU CLAIRE WI-
1233 PM CDT SAT JUL 23 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 100 PM CDT FOR EAU
CLAIRE AND CHIPPEWA COUNTIES...

AT 1230 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 14 MILES SOUTH 
OF LADYSMITH TO 12 MILES NORTH OF WHITEHALL...MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE LUDINGTON...JIM FALLS...
BRACKETT...BATEMAN...ALLEN...FALL CREEK...CORNELL...CADOTT...BOYD AND
AUGUSTA.

THIS IS A DANGEROUS STORM WITH A HISTORY OF PRODUCING LARGE HAIL AND 
DAMAGING WINDS. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR 
DAMAGING WINDS AND LARGE HAIL. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4528 9138 4490 9130 4462 9152 4461 9094
      4527 9095

$$

KAT
000 
WWUS53 KMPX 231758
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1258 PM CDT SAT JUL 23 2005

WIC017-035-231808-
/O.EXP.KMPX.SV.W.0243.000000T0000Z-050723T1800Z/
CHIPPEWA WI-EAU CLAIRE WI-
1258 PM CDT SAT JUL 23 2005

...THE SEVERE THUNDERSTORM WARNING FOR EAU CLAIRE AND CHIPPEWA
COUNTIES WILL EXPIRE AT 100 PM CDT...

THE STORMS THAT PROMPTED THE WARNING FOR EAU CLAIRE AND CHIPPEWA 
COUNTIES HAVE MOVED EAST OF THE AREA. THEREFORE...THE SEVERE 
THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4528 9138 4490 9130 4462 9152 4461 9094
      4527 9095

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 10:58 AM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix62 min
Jul 23, 11:08 AM CDTSevere Thunderstorm WarningMPXPierce67 min
Jul 23, 11:24 AM CDTSevere Thunderstorm WarningMPXBarron, Dunn66 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.