Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 5, NWS La Crosse, WI

May 6, 2008Winona County, Minnesota

NWS La Crosse, WI issued this tornado warning at May 6, 2008, 5:33 PM CDT for Winona County, Minnesota. It was in force for 42 min. 2 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 6, 2008, 5:33 PM CDT (22:33 UTC)
Expired
May 6, 2008, 6:15 PM CDT
In force
42 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

County Winona County, MN

The radar

The La Crosse radar (KARX), 53 km from the middle of the area, began a volume at 22:34 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
May 6, 5:35 PM CDTTORNADO4 Se Utica, MNPOSSIBLE TORNADO NEAR MILE MARKER 242 ON INTERSTATE 90
May 6, 5:45 PM CDTHAIL 0.8810 E St. Charles, MNNICKEL HAIL REPORTED AT ENTERPRISE REST AREA NEAR MILE POST 244 ON INTERSTATE 90.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 171 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 2008-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2336 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
176 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 
WFUS53 KARX 062233
TORARX
MNC169-062315-
/O.NEW.KARX.TO.W.0005.080506T2233Z-080506T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
533 PM CDT TUE MAY 6 2008

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  WINONA COUNTY IN SOUTHEAST MINNESOTA...

* UNTIL 615 PM CDT

* AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR COUNTY ROADS 6 AND 33...OR ABOUT 17 MILES SOUTHWEST OF
  WINONA...MOVING NORTHEAST AT 28 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  COUNTY ROADS 6 AND 33 AND I 90 EXIT 242 AROUND 535 PM...
  WYATTVILLE AROUND 540 PM...
  LEWISTON AND BETHANY AROUND 545 PM...
  STOCKTON AROUND 555 PM...
  ROLLINGSTONE AROUND 600 PM...

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

LAT...LON 4389 9185 4390 9206 4417 9183 4414 9176
      4413 9174 4412 9174 4405 9162 4403 9156
TIME...MOT...LOC 2233Z 223DEG 24KT 4394 9194

$$

BOYNE
4 follow-up statements
000 
WWUS53 KARX 062240
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
541 PM CDT TUE MAY 6 2008

MNC169-062315-
/O.CON.KARX.TO.W.0005.000000T0000Z-080506T2315Z/
WINONA MN-
541 PM CDT TUE MAY 6 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR WINONA
COUNTY...

AT 538 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR WYATTVILLE...OR
ABOUT 9 MILES SOUTHWEST OF WINONA...MOVING NORTHEAST AT 29 MPH.

* THE TORNADO WILL BE NEAR...
  ROLLINGSTONE AROUND 550 PM...
  WINONA AND GOODVIEW AROUND 555 PM...
  WHITMAN AROUND 600 PM...

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

LAT...LON 4389 9185 4390 9206 4417 9183 4414 9176
      4413 9174 4412 9174 4405 9162 4403 9156
TIME...MOT...LOC 2241Z 225DEG 25KT 4396 9177

$$

BOYNE
000 
WWUS53 KARX 062245
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
545 PM CDT TUE MAY 6 2008

MNC169-062315-
/O.CON.KARX.TO.W.0005.000000T0000Z-080506T2315Z/
WINONA MN-
545 PM CDT TUE MAY 6 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR WINONA
COUNTY...

AT 543 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR WYATTVILLE...OR
ABOUT 11 MILES SOUTHWEST OF WINONA...MOVING NORTHEAST AT 17 MPH.

* THE TORNADO WILL BE NEAR...
  STOCKTON AROUND 600 PM...
  STOCKTON AROUND 605 PM...
  ROLLINGSTONE AROUND 610 PM...
  WINONA AND GOODVIEW AROUND 615 PM...

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

LAT...LON 4389 9185 4390 9206 4417 9183 4414 9176
      4413 9174 4412 9174 4405 9162 4403 9156
TIME...MOT...LOC 2245Z 229DEG 15KT 4393 9179

$$

BOYNE
000 
WWUS53 KARX 062254
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
553 PM CDT TUE MAY 6 2008

MNC169-062315-
/O.CON.KARX.TO.W.0005.000000T0000Z-080506T2315Z/
WINONA MN-
553 PM CDT TUE MAY 6 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR WINONA
COUNTY...

AT 551 PM CDT...A TORNADO WAS INDICATED BY RADAR NEAR WILSON...OR 
ABOUT 6 MILES SOUTHWEST OF WINONA...MOVING NORTHEAST AT 14 MPH.

* THE TORNADO WILL BE NEAR...
  ROLLINGSTONE AROUND 605 PM...
  ROLLINGSTONE AROUND 610 PM...
  WINONA AND GOODVIEW AROUND 615 PM...

LAT...LON 4389 9185 4390 9206 4417 9183 4414 9176
      4413 9174 4412 9174 4405 9162 4403 9156
TIME...MOT...LOC 2253Z 218DEG 12KT 4397 9171

$$

BOYNE
000 
WWUS53 KARX 062308
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
608 PM CDT TUE MAY 6 2008

MNC169-062318-
/O.EXP.KARX.TO.W.0005.000000T0000Z-080506T2315Z/
WINONA MN-
608 PM CDT TUE MAY 6 2008

...THE TORNADO WARNING FOR WINONA COUNTY EXPIRES AT 615 PM CDT...

THE STORM WHICH PROMPTED THIS WARNING HAS WEAKENED AND NO LONGER
APPEARS CAPABLE OF PRODUCING SEVERE WEATHER.

LAT...LON 4389 9185 4390 9206 4417 9183 4414 9176
      4413 9174 4412 9174 4405 9162 4403 9156
TIME...MOT...LOC 2308Z 218DEG 12KT 4401 9167

$$

BOYNE

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 5:03 PM CDTSevere Thunderstorm WarningARXMower27 min
May 6, 6:57 PM CDTSevere Thunderstorm WarningARXHouston18 min

Nearby

Tornado Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.