Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 35, NWS Twin Cities, MN

May 25, 2008Chippewa County, Dunn County, Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2008, 6:51 PM CDT for Chippewa County, Dunn County, Eau Claire County, Wisconsin. It was in force for 54 min. 7 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: May 25, 2008, 6:51 PM CDT (23:51 UTC)
Expired: May 25, 2008, 7:45 PM CDT
In force: 54 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Chippewa County, WI, Dunn County, WI, Eau Claire County, WI

What was reported inside it

Time	Report	Where	Remark
May 25, 7:00 PM CDT	HAIL 1.75	4 Ese Colfax, WI
May 25, 7:14 PM CDT	HAIL 1.75	12 Wnw Chippewa Falls, WI
May 25, 7:34 PM CDT	TSTM WND DMG	N Chippewa Falls, WI	LARGE TREES DOWN. 12 INCH DIAMETER AND LARGER. 12 INCH DIAMETER TREES ON GARAGE. AT LEAST 15 TREES DOWN.
May 25, 7:37 PM CDT	HAIL 0.75	Eau Claire, WI
May 25, 7:45 PM CDT	HAIL 1	2 S Eau Claire, WI
May 25, 7:47 PM CDT	HAIL 2.75	6 Nnw Chippewa Falls, WI
May 25, 7:48 PM CDT	HAIL 1	4 W Fall Creek, WI

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.

Issued	Product	Office	Lasted
May 25, 2:04 PM CDT	Tornado Watch PDS	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.9 hours before the alert went out and 170 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 58 J/kg
Mixed-layer CIN: -266 J/kg
Mixed-layer LCL: 641 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -3.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 252351
SVRMPX
WIC017-033-035-260045-
/O.NEW.KMPX.SV.W.0035.080525T2351Z-080526T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
651 PM CDT SUN MAY 25 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 745 PM CDT

* AT 646 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF
  BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF
  BLOOMER TO 17 MILES WEST OF ELK MOUND...AND MOVING EAST AT 41 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BLOOMER...
  ELK MOUND...
  CORNELL...
  EAU CLAIRE...
  ALTOONA...
  CHIPPEWA FALLS...
  LAKE WISSOTA...
  FALL CREEK...
  STANLEY...

THESE STORMS PRODUCED GOLF BALL SIZE HAIL IN WHEELER IN DUNN COUNTY.

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN
SIGNIFICANTLY DAMAGE WINDOWS...SIDING AND VEHICLES. DAMAGING WINDS
ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER LINES.
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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
EAST CENTRAL MINNESOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
900 PM CDT SUNDAY EVENING FOR SOUTHEASTERN MINNESOTA AND NORTHWESTERN
WISCONSIN.

LAT...LON 4521 9094 4472 9094 4473 9166 4492 9188
      4498 9188 4498 9168 4520 9165
TIME...MOT...LOC 2351Z 270DEG 36KT 4516 9156 4490 9196

$$

RAH/TRH

1 follow-up statement

000 
WWUS53 KMPX 260007
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
707 PM CDT SUN MAY 25 2008

WIC017-033-035-260045-
/O.CON.KMPX.SV.W.0035.000000T0000Z-080526T0045Z/
CHIPPEWA WI-DUNN WI-EAU CLAIRE WI-
707 PM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHERN EAU CLAIRE...EAST CENTRAL DUNN AND CHIPPEWA COUNTIES IN
WEST CENTRAL WISCONSIN...

AT 700 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF
BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE SEVERE
THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES
NORTHEAST OF BLOOMER TO 7 MILES SOUTHWEST OF BLOOMER TO 7 MILES WEST
OF ELK MOUND...AND MOVING EAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE LUDINGTON...LAKE HALLIE...JIM
FALLS...EAGLETON...BATEMAN...STANLEY...NEW AUBURN...LAKE WISSOTA...
FALL CREEK AND ELK MOUND.

GOLF BALL SIZE HAIL WAS REPORTED IN COLFAX AT 700 PM CDT. 

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN
SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. DAMAGING
WINDS ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER
LINES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
EAST CENTRAL MINNESOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
900 PM CDT SUNDAY EVENING FOR EAST CENTRAL MINNESOTA AND NORTHWESTERN
WISCONSIN.

LAT...LON 4521 9094 4472 9094 4473 9166 4492 9188
      4498 9188 4498 9168 4520 9165
TIME...MOT...LOC 0007Z 270DEG 36KT 4516 9133 4501 9147
          4490 9174

$$

RAH/TRH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 5:09 PM CDT	Severe Thunderstorm Warning	MPX	Polk	51 min
May 25, 5:13 PM CDT	Tornado Warning	MPX	Polk, Saint Croix	47 min
May 25, 5:42 PM CDT	Severe Thunderstorm Warning	MPX	Barron	48 min
May 25, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Polk, Saint Croix	58 min
May 25, 5:50 PM CDT	Tornado Warning	MPX	Barron, Dunn	40 min
May 25, 6:24 PM CDT	Severe Thunderstorm Warning	MPX	Dunn	51 min
May 25, 6:26 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pierce	49 min
May 25, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	62 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2008 Every 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.