Alert archive / Wisconsin / Tornado Warnings in 2008

Tornado Warning 10, NWS Twin Cities, MN

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

NWS Twin Cities, MN issued this tornado warning at May 25, 2008, 7:13 PM CDT for Dunn County, Eau Claire County, Wisconsin. It was in force for 32 min. 3 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, 7:13 PM CDT (00:13 UTC)
Expired: May 25, 2008, 7:45 PM CDT
In force: 32 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Dunn County, WI, Eau Claire County, WI

What was reported inside it

Time	Report	Where
May 25, 7:14 PM CDT	HAIL 1.25	8 S Menomonie, WI
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

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
May 25, 7:12 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.2 hours before the alert went out and 146 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: 789 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 1428 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 260013
TORMPX
WIC033-035-260045-
/O.NEW.KMPX.TO.W.0010.080526T0013Z-080526T0045Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  NORTHWESTERN EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 745 PM CDT

* AT 711 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES WEST OF
  ROCK FALLS...OR ABOUT 10 MILES SOUTHWEST OF ELK MOUND...AND MOVING
  EAST AT 38 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROCK FALLS...
  CARYVILLE...
  EAU CLAIRE...
  ALTOONA...
  BRACKETT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

LAT...LON 4485 9190 4486 9167 4485 9144 4466 9129
      4469 9199 4481 9202
TIME...MOT...LOC 0013Z 265DEG 33KT 4474 9175

$$

LS

1 follow-up statement

000 
WWUS53 KMPX 260024
SVSMPX

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

WIC033-035-260045-
/O.CON.KMPX.TO.W.0010.000000T0000Z-080526T0045Z/
DUNN WI-EAU CLAIRE WI-
724 PM CDT SUN MAY 25 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHWESTERN EAU CLAIRE  AND SOUTHEASTERN DUNN COUNTIES IN WEST
CENTRAL WISCONSIN...

AT 723 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THE MOST DANGEROUS PART
OF THE STORM WAS LOCATED 3 MILES EAST OF CARYVILLE...OR ABOUT 9 MILES
SOUTH OF ELK MOUND...AND MOVING EAST AT 38 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ROCK FALLS...CARYVILLE...
BRACKETT...EAU CLAIRE AND ALTOONA.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND DESTRUCTIVE WINDS.

LAT...LON 4485 9190 4486 9167 4485 9144 4466 9129
      4469 9199 4481 9202
TIME...MOT...LOC 0024Z 265DEG 33KT 4475 9161

$$

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:38 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire, Pepin	51 min

Nearby

Tornado Warnings in Wisconsin, 2008 Every tornado warning in 2008 Tornadoes 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.