Alert archive / Wisconsin / Tornado Warnings in 2008

Tornado Warning 8, NWS La Crosse, WI

May 31, 2008Grant County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 31, 2008, 7:35 PM CDT for Grant County, Wisconsin. It was in force for 25 min. 1 report 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 31, 2008, 7:35 PM CDT (00:35 UTC)
Expired
May 31, 2008, 8:00 PM CDT
In force
25 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

County Grant County, WI

What was reported inside it

TimeReportWhereRemark
May 31, 7:52 PM CDTFUNNEL CLOUD2 S Tennyson, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.6 hours before the alert went out and 110 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, Davenport, at 00:00Z on 2008-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 663 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, Davenport, at 00:00Z on 2008-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939587897Sfc1 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
663 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1808 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 010035
TORARX
WIC043-010100-
/O.NEW.KARX.TO.W.0008.080601T0035Z-080601T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
735 PM CDT SAT MAY 31 2008

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN GRANT COUNTY IN SOUTHWEST WISCONSIN...

* UNTIL 800 PM CDT

* AT 732 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR MCCARTNEY...OR 12 MILES SOUTHWEST OF LANCASTER...
  MOVING SOUTHEAST AT 33 MPH. THIS TORNADO WARNING UPGRADES THE
  PREVIOUS SEVERE THUNDERSTORM WARNING FOR GRANT COUNTY.

* THE TORNADO WILL BE NEAR...
  SPECHTS FERRY AND POTOSI AROUND 745 PM...
  DICKEYVILLE AND CUBA CITY AROUND 800 PM...

THERE HAVE BEEN SEVERAL REPORTS OF TORNADOES ON THE GROUND WEST OF 
LANCASTER WITH THIS STORM.

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

LAT...LON 4254 9064 4256 9068 4261 9069 4264 9071
      4268 9092 4270 9097 4278 9083 4262 9042
      4253 9042 4250 9044 4251 9064
TIME...MOT...LOC 0035Z 304DEG 29KT 4270 9083

$$

BINAU
2 follow-up statements
000 
WWUS53 KARX 010045
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
743 PM CDT SAT MAY 31 2008

WIC043-010100-
/O.CON.KARX.TO.W.0008.000000T0000Z-080601T0100Z/
GRANT WI-
743 PM CDT SAT MAY 31 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR SOUTHERN
GRANT COUNTY...

AT 741 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE ROTATION WITH A SEVERE THUNDERSTORM SOUTHWEST OF 
POTOSI...OR ABOUT 12 MILES NORTH OF DUBUQUE...MOVING SOUTHEAST AT 33 
MPH. THIS ROTATION HAS BEEN WEAKENING...AND SINKING SOUTH INTO 
DUBUQUE COUNTY...SO IT APPEARS THE TORNADO THREAT IS DECREASING. 
THERE IS STILL A THREAT FOR DAMAGING WIND...AND LARGE HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DICKEYVILLE AND CUBA CITY AROUND 800 PM...

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4254 9064 4256 9068 4261 9069 4264 9071
      4268 9092 4270 9097 4278 9083 4262 9042
      4253 9042 4250 9044 4251 9064
TIME...MOT...LOC 0043Z 304DEG 29KT 4266 9076

$$

BINAU
000 
WWUS53 KARX 010052
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
752 PM CDT SAT MAY 31 2008

WIC043-010102-
/O.EXP.KARX.TO.W.0008.000000T0000Z-080601T0100Z/
GRANT WI-
752 PM CDT SAT MAY 31 2008

...THE TORNADO WARNING FOR SOUTHERN GRANT COUNTY EXPIRES AT 800 PM
CDT...

THE STORM WHICH PROMPTED THIS WARNING REMAINS SEVERE BUT WILL LIKELY
MOVE OUT OF THE WARNED AREA SHORTLY. THIS WARNING WILL BE ALLOWED TO
EXPIRE ON TIME.

LAT...LON 4254 9064 4256 9068 4261 9069 4264 9071
      4268 9092 4270 9097 4278 9083 4262 9042
      4253 9042 4250 9044 4251 9064
TIME...MOT...LOC 0052Z 304DEG 29KT 4261 9069

$$

BINAU

Nearby

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