Alert archive / Wisconsin / Tornado Warnings in 2009

Tornado Warning 5, NWS La Crosse, WI

April 26, 2009Grant County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Apr 26, 2009, 6:23 PM CDT for Grant County, Wisconsin. It was in force for 67 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
Apr 26, 2009, 6:23 PM CDT (23:23 UTC)
Expired
Apr 26, 2009, 7:30 PM CDT
In force
67 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

County Grant County, WI

The radar

The La Crosse radar (KARX), 117 km from the middle of the area, began a volume at 23:25 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
Apr 26, 6:45 PM CDTTORNADO5 Nnw Dickeyville, WISPOTTER WITNESSED BRIEF TOUCH DOWN.

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
Apr 26, 5:02 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.4 hours before the alert went out and 137 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 2009-04-26Temperature 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 2009-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 402 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
586 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
402 m²/s²
0-3 km storm-relative helicity
403 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 262323
TORARX
WIC043-270030-
/O.NEW.KARX.TO.W.0005.090426T2323Z-090427T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
623 PM CDT SUN APR 26 2009

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 730 PM CDT

* AT 622 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 6 MILES SOUTHWEST OF MCCARTNEY...OR 15 MILES NORTHWEST OF
  DUBUQUE...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  MCCARTNEY AND BIG H CAMPGROUND AROUND 635 PM...
  BURTON AND SPECHTS FERRY AROUND 640 PM...
  POTOSI AROUND 645 PM...
  ROCKVILLE AND HURRICANE AROUND 650 PM...
  LANCASTER MUNICIPAL AIRPORT AROUND 655 PM...
  LANCASTER AND ELLENBORO AROUND 700 PM...
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MONDAY MORNING FOR
NORTHEAST IOWA AND SOUTHWEST WISCONSIN.

&&

LAT...LON 4271 9100 4312 9043 4311 9042 4278 9042
      4264 9072
TIME...MOT...LOC 2323Z 230DEG 26KT 4262 9092

$$

RIECK
6 follow-up statements
000 
WWUS53 KARX 262335
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
635 PM CDT SUN APR 26 2009

WIC043-270030-
/O.CON.KARX.TO.W.0005.000000T0000Z-090427T0030Z/
GRANT WI-
635 PM CDT SUN APR 26 2009

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

AT 634 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BIG H CAMPGROUND...
OR 12 MILES NORTHWEST OF DUBUQUE...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  SPECHTS FERRY AROUND 640 PM...
  POTOSI AROUND 645 PM...
  ROCKVILLE AND TENNYSON AROUND 650 PM...
  LANCASTER MUNICIPAL AIRPORT AROUND 655 PM...
  LANCASTER AND ELLENBORO AROUND 700 PM...
 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MONDAY MORNING FOR
NORTHEAST IOWA AND SOUTHWEST WISCONSIN.

&&

LAT...LON 4271 9100 4312 9043 4311 9042 4278 9042
      4264 9072
TIME...MOT...LOC 2335Z 233DEG 27KT 4266 9081

$$

RIECK
000 
WWUS53 KARX 262345
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
645 PM CDT SUN APR 26 2009

WIC043-270030-
/O.CON.KARX.TO.W.0005.000000T0000Z-090427T0030Z/
GRANT WI-
645 PM CDT SUN APR 26 2009

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

AT 642 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR POTOSI...OR 12
MILES SOUTH OF LANCASTER...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  ROCKVILLE AND TENNYSON AROUND 650 PM...
  LANCASTER MUNICIPAL AIRPORT AROUND 655 PM...
  LANCASTER AND ELLENBORO AROUND 700 PM...
  STITZER AROUND 710 PM...
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MONDAY MORNING FOR
NORTHEAST IOWA AND SOUTHWEST WISCONSIN.

&&

LAT...LON 4271 9100 4312 9043 4311 9042 4278 9042
      4264 9072
TIME...MOT...LOC 2345Z 234DEG 27KT 4270 9073

$$

RIECK
000 
WWUS53 KARX 270000
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
700 PM CDT SUN APR 26 2009

WIC043-270030-
/O.CON.KARX.TO.W.0005.000000T0000Z-090427T0030Z/
GRANT WI-
700 PM CDT SUN APR 26 2009

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

AT 659 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ELLENBORO...OR 7
MILES WEST OF PLATTEVILLE...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  UNION AND STITZER AROUND 710 PM...
  ANNATON AROUND 715 PM...
  ARTHUR AND PRESTON AROUND 720 PM...
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MONDAY MORNING FOR
NORTHEAST IOWA AND SOUTHWEST WISCONSIN.

&&

LAT...LON 4278 9090 4306 9042 4278 9042 4265 9070
TIME...MOT...LOC 0000Z 234DEG 27KT 4277 9060

$$

RIECK
000 
WWUS53 KARX 270012
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
712 PM CDT SUN APR 26 2009

WIC043-270030-
/O.CON.KARX.TO.W.0005.000000T0000Z-090427T0030Z/
GRANT WI-
712 PM CDT SUN APR 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR EAST
CENTRAL GRANT COUNTY...

AT 712 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.
THIS TORNADO WAS LOCATED NEAR UNION...OR NEAR PLATTEVILLE...MOVING
NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  ANNATON AROUND 715 PM...
  ARTHUR AROUND 720 PM...
  LIVINGSTON AROUND 725 PM...
  MONTFORT AROUND 730 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4286 9075 4298 9042 4278 9042 4268 9063
TIME...MOT...LOC 0012Z 233DEG 32KT 4280 9051

$$

RIECK
000 
WWUS53 KARX 270020
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
720 PM CDT SUN APR 26 2009

WIC043-270030-
/O.CON.KARX.TO.W.0005.000000T0000Z-090427T0030Z/
GRANT WI-
720 PM CDT SUN APR 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR EAST
CENTRAL GRANT COUNTY...

AT 720 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.
THIS TORNADO WAS LOCATED NEAR ARTHUR...OR 8 MILES NORTH OF
PLATTEVILLE...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  LIVINGSTON AROUND 725 PM...
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MONDAY MORNING FOR
NORTHEAST IOWA AND SOUTHWEST WISCONSIN.

&&

LAT...LON 4286 9075 4298 9042 4278 9042 4268 9063
TIME...MOT...LOC 0020Z 229DEG 31KT 4285 9047

$$

RIECK
000 
WWUS53 KARX 270030
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
730 PM CDT SUN APR 26 2009

WIC043-270040-
/O.EXP.KARX.TO.W.0005.000000T0000Z-090427T0030Z/
GRANT WI-
730 PM CDT SUN APR 26 2009

...THE TORNADO WARNING FOR EAST CENTRAL GRANT COUNTY EXPIRES AT 730
PM CDT...

THE STORM WHICH PROMPTED THIS WARNING HAS MOVED OUT OF THE WARNED
AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY MORNING
FOR NORTHEAST IOWA AND SOUTHWEST WISCONSIN.

LAT...LON 4286 9075 4298 9042 4278 9042 4268 9063
TIME...MOT...LOC 0020Z 229DEG 31KT 4285 9047

$$

RIECK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 3:45 AM CDTFlash Flood WatchARXBuffalo, Crawford, Grant, Jackson, La Crosse, Monroe and 3 more24 hr

Nearby

Tornado Warnings in Wisconsin, 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.