Alert archive / Wisconsin / Tornado Warnings in 2007

Tornado Warning 2, NWS La Crosse, WI

March 31, 2007Richland County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Mar 31, 2007, 6:48 PM CDT for Richland County, Wisconsin. It was in force for 42 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
Mar 31, 2007, 6:48 PM CDT (23:48 UTC)
Expired
Mar 31, 2007, 7:30 PM CDT
In force
42 min
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

County Richland County, WI

The radar

The La Crosse radar (KARX), 81 km from the middle of the area, began a volume at 23:51 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
Mar 31, 7:14 PM CDTFUNNEL CLOUDRichland Center, WIFUNNEL CLOUD FORMING OVER THE CITY.

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
Mar 31, 5:11 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.8 hours before the alert went out and 191 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 12:00Z on 2007-03-31Temperature 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, Davenport, at 12:00Z on 2007-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 290 square meters per square second.193958Sfc1 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
843 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
290 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 312348
TORARX
WIC103-010030-
/O.NEW.KARX.TO.W.0002.070331T2348Z-070401T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
648 PM CDT SAT MAR 31 2007

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  RICHLAND COUNTY IN SOUTHWEST WISCONSIN...

* UNTIL 730 PM CDT

* AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR WESTPORT...OR
  ABOUT 16 MILES SOUTHWEST OF RICHLAND CENTER...MOVING NORTHEAST AT
  30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WESTPORT AND EXCELSIOR AROUND 650 PM...
  HIGHWAY 171 AND COUNTY U AND EAGLE CAVE AROUND 655 PM...
  BASSWOOD AND BOSSTOWN AROUND 700 PM...
  SYLVAN AND HIGHWAY 80 AND COUNTY Y AROUND 705 PM...
  COUNTY ROADS Z Z AND Q AND HIGHWAY 56 AND COUNTY M M AROUND 710
  PM...

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

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE
9 follow-up statements
000 
WWUS53 KARX 312353
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
653 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
653 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 651 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR WESTPORT...OR 
14 MILES SOUTHWEST OF RICHLAND CENTER...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  BASSWOOD AND FIVE POINTS AROUND 700 PM...
  HIGHWAY 80 AND COUNTY Y AND COUNTY ROADS E AND Q AROUND 705 PM...
  COUNTY ROADS Z Z AND Q AROUND 710 PM...
  RICHLAND CENTER AND COUNTY ROADS O AND O O AROUND 715 PM...
  HIGHWAYS 80 AND 56 AND HIGHWAY 130 AND COUNT B AROUND 720 PM...

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

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE
000 
WWUS53 KARX 312357
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
657 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
657 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR EAGLE CAVE...OR 
10 MILES SOUTHWEST OF RICHLAND CENTER...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  RICHLAND CENTER AND COUNTY ROADS O AND O O AROUND 705 PM...
  HIGHWAYS 80 AND 56 AND BUCK CREEK AROUND 710 PM...
  COUNTY ROADS D AND NN AND HIGHWAY 80 AND COUNTY C C AROUND 
  715 PM...
  GERMANTOWN AND HIGHWAY 58 AND COUNTY K AROUND 720 PM...

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

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE
000 
WWUS53 KARX 010003
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
703 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
703 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 700 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HIGHWAY 80 AND
COUNTY Y...OR 6 MILES SOUTHWEST OF RICHLAND CENTER...MOVING NORTHEAST
AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  HIGHWAYS 80 AND 56 AND BUCK CREEK AROUND 710 PM...
  COUNTY ROADS D AND NN AND HIGHWAY 80 AND COUNTY C C AROUND 715
  PM...
  GERMANTOWN AND HIGHWAY 58 AND COUNTY K AROUND 720 PM...
  CAZENOVIA AROUND 725 PM...

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

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE
000 
WWUS53 KARX 010012 RRA
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
706 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
706 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 704 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR COUNTY ROADS Z Z 
AND Q...OR NEAR RICHLAND CENTER. ANOTHER POSSIBLE TORNADO WAS 
LOCATED JUST NORTHEAST OF MUSCODA. THESE STORMS WERE MOVING NORTHEAST
AT 55 MPH.

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

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE
000 
WWUS53 KARX 010015
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
713 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
715 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 712 PM CDT...SPOTTERS REPORTED A WALL CLOUD OVER RICHLAND CENTER.
ANOTHER POSSIBLE TORNADO WAS INDICATED BY RADAR NEAR ITHACA. THESE
STORMS WERE MOVING NORTHEAST AT 55 MPH.

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

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE
000 
WWUS53 KARX 010019
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
718 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
719 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 716 PM CDT...DOPPLER RADAR INICATED POSSIBLE TORNADOES NEAR BLOOM 
CITY...GILLINGHAM...JUST EAST OF RICHLAND CENTER...AND GOTHAM. THESE
STORMS WERE MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  GERMANTOWN AND CAZENOVIA AROUND 725 PM...

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE
000 
WWUS53 KARX 010026
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
724 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
724 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 721 PM CDT...DOPPLER RADAR CONTINUED TO SHOW A POSSIBLE TORNADO
NEAR BEAR VALLEY AND NEPTUNE. THESE STORMS WERE MOVING NORTHEAST
AT 55 MPH.

MOVING NORTHEAST AT 55 MPH.

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$
BOYNE
000 
WWUS53 KARX 010027 CCA
SVSARX

SEVERE WEATHER STATEMENT...CORRECTED SPEED
NATIONAL WEATHER SERVICE LA CROSSE WI
724 PM CDT SAT MAR 31 2007

WIC103-010030-
/O.CON.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
724 PM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR RICHLAND
COUNTY...

AT 721 PM CDT...DOPPLER RADAR CONTINUED TO SHOW A POSSIBLE TORNADO
NEAR BEAR VALLEY AND NEPTUNE. THESE STORMS WERE MOVING NORTHEAST AT 
55 MPH.

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$
BOYNE
000 
WWUS53 KARX 010031
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
731 PM CDT SAT MAR 31 2007

WIC103-010041-
/O.EXP.KARX.TO.W.0002.000000T0000Z-070401T0030Z/
RICHLAND WI-
731 PM CDT SAT MAR 31 2007

...THE TORNADO WARNING FOR RICHLAND COUNTY EXPIRES AT 730 PM CDT...

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.

LAT...LON 4323 9022 4322 9037 4321 9038 4322 9053
      4319 9065 4348 9064 4349 9063 4355 9063
      4355 9020

$$

BOYNE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 6:12 PM CDTSevere Thunderstorm WarningARXCrawford33 min
Mar 31, 6:25 PM CDTTornado WarningARXGrant35 min
Mar 31, 6:49 PM CDTTornado WarningARXVernon26 min

Nearby

Tornado Warnings in Wisconsin, 2007Every tornado warning in 2007Tornadoes in 2007

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.