Alert archive / Minnesota / Tornado Warnings in 2009

Tornado Warning 10, NWS La Crosse, WI

June 17, 2009Dodge County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jun 17, 2009, 8:31 PM CDT for Dodge County, Minnesota. It was in force for 59 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
Jun 17, 2009, 8:31 PM CDT (01:31 UTC)
Expired
Jun 17, 2009, 9:30 PM CDT
In force
59 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

County Dodge County, MN

The radar

The Minneapolis radar (KMPX), 105 km from the middle of the area, began a volume at 01:32 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
Jun 17, 8:56 PM CDTHAIL 0.88Claremont, MN

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
Jun 17, 7:01 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 106 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 00:00Z on 2009-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1471 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 00:00Z on 2009-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.19395878Sfc1 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
1471 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
751 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
350 m²/s²
Significant tornado parameter
1.8
Supercell composite
12.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 180131
TORARX
MNC039-180230-
/O.NEW.KARX.TO.W.0010.090618T0131Z-090618T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
831 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 829 PM CDT...DOPPLER RADAR AND STORM SPOTTERS INDICATED A
  TORNADO 11 MILES WEST OF RICE LAKE STATE PARK...OR 20 MILES WEST OF
  DODGE CENTER...MOVING EAST AT 25 MPH. 

* THE TORNADO WILL BE NEAR...
  RICE LAKE STATE PARK AROUND 850 PM...
  CLAREMONT AROUND 855 PM...
  COUNTY ROADS 20 AND 5 AROUND 900 PM...
  COUNTY ROADS 5 AND 6 AND HIGHWAY 30 AND COUNTY 3 AROUND 910 PM...  
  DODGE CENTER AND HIGHWAY 56 AND COUNTY 6 AROUND 915 PM...          
  MANTORVILLE AND HAYFIELD AROUND 925 PM...
  OSLO AND HIGHWAY 30 AND COUNTY 15 AROUND 930 PM...

EXPECT HAIL AND WIND TO MOVE EARLIER THAN THE TORNADO. IF YOU ARE IN 
THE PATH OF THIS STORM...PREPARE NOW TO SEEK SHELTER. THE STORM HAS 
A HISTORY OF TORNADOES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4407 9305 4414 9305 4409 9268 4385 9269
      4390 9305 4391 9306 4406 9306
TIME...MOT...LOC 0129Z 292DEG 22KT 4405 9325

$$

BAUMGARDT
3 follow-up statements
000 
WWUS53 KARX 180145
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
845 PM CDT WED JUN 17 2009

MNC039-180230-
/O.CON.KARX.TO.W.0010.000000T0000Z-090618T0230Z/
DODGE MN-
845 PM CDT WED JUN 17 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR DODGE
COUNTY...

AT 842 PM CDT...TRAINED WEATHER SPOTTERS REPORTED GOLFBALL SIZED 
HAIL ON THE EAST SIDE OF OWATONNA. THIS STORM HAS THE POTENTIAL TO 
PRODUCE A TORNADO AND WAS LOCATED JUST WEST OF CLAREMONT...OR 12 
MILES WEST OF DODGE CENTER...MOVING SOUTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  DODGE CENTER AND HIGHWAY 56 AND COUNTY 6 AROUND 900 PM...          
  MANTORVILLE AND HAYFIELD AROUND 905 PM...
  DANESVILLE AROUND 910 PM...
  OSLO AND COUNTY ROADS 6 AND 15 AROUND 915 PM...
  HIGHWAY 30 AND COUNTY 15 AROUND 920 PM...

THIS STORM COULD PRODUCE A TORNADO AT ANY TIME AND IS A DANGEROUS 
STORM. SEEK SHELTER IF YOU LIVE IN THE WARNED AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4407 9305 4414 9305 4409 9268 4385 9269
      4390 9305 4391 9306 4406 9306
TIME...MOT...LOC 0143Z 295DEG 30KT 4401 9307

$$

BAUMGARDT
000 
WWUS53 KARX 180159
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
859 PM CDT WED JUN 17 2009

MNC039-180230-
/O.CON.KARX.TO.W.0010.000000T0000Z-090618T0230Z/
DODGE MN-
859 PM CDT WED JUN 17 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR DODGE
COUNTY...

AT 856 PM CDT...TRAINED WEATHER SPOTTERS REPORTED HEAVY NICKEL SIZED 
HAIL IN CLAREMONT...BUT RADAR INDICATES A POSSIBLE TORNADO FURTHER 
SOUTH A FEW MILES. THIS TORNADO WAS LOCATED NEAR COUNTY ROADS 5 AND 
6...OR 7 MILES SOUTHWEST OF DODGE CENTER...MOVING SOUTHEAST AT 30 
MPH.

* THE TORNADO WILL BE NEAR...
  GRAVES LANDING FIELD AROUND 900 PM...  
  HAYFIELD AROUND 910 PM...
  OSLO AND HIGHWAY 30 AND COUNTY 15 AROUND 920 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4407 9305 4414 9305 4409 9268 4385 9269
      4390 9305 4391 9306 4406 9306
TIME...MOT...LOC 0156Z 298DEG 28KT 4396 9296

$$

BAUMGARDT
000 
WWUS53 KARX 180229
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
929 PM CDT WED JUN 17 2009

MNC039-180239-
/O.EXP.KARX.TO.W.0010.000000T0000Z-090618T0230Z/
DODGE MN-
929 PM CDT WED JUN 17 2009

...THE TORNADO WARNING FOR DODGE COUNTY EXPIRES AT 930 PM CDT...

THE STORM WHICH PROMPTED THIS WARNING HAS MOVED OUT OF THE WARNED 
AREA. A TORNADO WATCH REMAINS IN EFFECT. 

LAT...LON 4407 9305 4414 9305 4409 9268 4385 9269
      4390 9305 4391 9306 4406 9306
TIME...MOT...LOC 0229Z 298DEG 28KT 4384 9264

$$

NWS LA CROSSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:14 PM CDTSevere Thunderstorm WarningARXDodge, Mower46 min
Jun 17, 7:35 PM CDTTornado WarningARXDodge, Mower55 min
Jun 17, 8:11 PM CDTTornado WarningARXMower64 min
Jun 17, 8:29 PM CDTSevere Thunderstorm WarningARXFillmore46 min
Jun 17, 9:14 PM CDTSevere Thunderstorm WarningARXMower, Olmsted39 min

Nearby

Tornado Warnings in Minnesota, 2009Every tornado warning in 2009Tornadoes in 2009

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.