Alert archive / Wisconsin / Tornado Warnings in 2009

Tornado Warning 17, NWS La Crosse, WI

July 27, 2009Crawford County, Richland County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jul 27, 2009, 5:15 PM CDT for Crawford County, Richland County, Wisconsin. It was in force for 60 min. 6 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
Jul 27, 2009, 5:15 PM CDT (22:15 UTC)
Expired
Jul 27, 2009, 6:15 PM CDT
In force
60 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

Counties Crawford County, WI, Richland County, WI

The radar

The La Crosse radar (KARX), 67 km from the middle of the area, began a volume at 22:17 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
Jul 27, 5:16 PM CDTTORNADO 14 N Mount Sterling, WINUMEROUS REPORTS OF TORNADO ON THE GROUND WITH DEBRIS IN THE AIR AND DAMAGE. NWS SUREVY TEAM CONFIRMED THIS TORNADO TOUCHED DOWN 1 MILE EAST OF FAIRFIEW AND DISSIPATED 5 MILES WEST OF SOLDIERS GROVE. IT WAS RANKED AN EF1 TORNADO. HOWEVER MUCH OF ITS 4 MILE PAT
Jul 27, 5:18 PM CDTTORNADO4 N Mount Sterling, WINUMEROUS REPORTS OF TORNADO ON THE GROUND WITH DEBRIS IN THE AIR AND DAMAGE.
Jul 27, 5:25 PM CDTTSTM WND DMG1 N Soldiers Grove, WIDAMAGE TO A BUILDING AT INTERSECTION OF HWY 61 AND TAVERN ROAD
Jul 27, 5:46 PM CDTTSTM WND GST 60Five Points, WI
Jul 27, 5:52 PM CDTHAIL 0.882 S Five Points, WI
Jul 27, 5:52 PM CDTHAIL 1Five Points, WI

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
Jul 27, 2:41 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.3 hours before the alert went out and 193 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 2009-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 12:00Z on 2009-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
21 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1158 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
114 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 272215
TORARX
WIC023-103-272315-
/O.NEW.KARX.TO.W.0017.090727T2215Z-090727T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
515 PM CDT MON JUL 27 2009

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CRAWFORD COUNTY IN SOUTHWEST WISCONSIN...
  WEST CENTRAL RICHLAND COUNTY IN SOUTHWEST WISCONSIN...

* UNTIL 615 PM CDT

* AT 514 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A POSSIBLE TORNADO 4 MILES NORTH OF MOUNT STERLING...OR 13 MILES 
  SOUTH OF VIROQUA...MOVING EAST AT 15 MPH. THIS TORNADO WARNING
  UPGRADES THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR RICHLAND 
  AND CRAWFORD COUNTIES.

* THE TORNADO WILL BE NEAR...
  BELL CENTER AND PETERSBURG AROUND 535 PM...
  SOLDIERS GROVE AROUND 540 PM...
  MONTGOMERYVILLE AROUND 550 PM...
  ROLLING GROUND AND CLAYTON AROUND 555 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4341 9047 4322 9053 4329 9096 4342 9093
TIME...MOT...LOC 2215Z 280DEG 12KT 4337 9091

$$

BOYNE
5 follow-up statements
000 
WWUS53 KARX 272219
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
519 PM CDT MON JUL 27 2009

WIC023-103-272315-
/O.CON.KARX.TO.W.0017.000000T0000Z-090727T2315Z/
RICHLAND WI-CRAWFORD WI-
519 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN CRAWFORD AND WEST CENTRAL RICHLAND COUNTIES...

AT 516 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO ON THE 
GROUND JUST NORTHEAST OF MOUNT STERLING. THIS TORNADO WAS LOCATED 
NEAR HIGHWAY 131 AND COUNTY B...OR 13 MILES SOUTH OF 
VIROQUA...MOVING EAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  HIGHWAY 131 AND COUNTY B AND COUNTY ROADS J AND C AROUND 530 PM...
  BELL CENTER AROUND 535 PM...
  SOLDIERS GROVE AROUND 545 PM...
  MONTGOMERYVILLE AROUND 550 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
SOUTHWESTERN WISCONSIN.

&&

LAT...LON 4341 9047 4322 9053 4329 9096 4342 9093
TIME...MOT...LOC 2218Z 280DEG 12KT 4337 9090

$$

BOYNE
000 
WWUS53 KARX 272222 RRA
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
522 PM CDT MON JUL 27 2009

WIC023-103-272315-
/O.CON.KARX.TO.W.0017.000000T0000Z-090727T2315Z/
RICHLAND WI-CRAWFORD WI-
522 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN CRAWFORD AND WEST CENTRAL RICHLAND COUNTIES...

AT 520 PM CDT...DOPPLER RADAR CONTINUE TO INDICATE A TORNADO NEAR 
HIGHWAY 131 AND COUNTY B...OR 13 MILES SOUTH OF VIROQUA...MOVING 
EAST AT 15 MPH. WEATHER SPOTTERS NEAR MOUNT STERLING REPORTED A 
TORNADO ON THE GROUND NEAR MOUNT STERLING EARLIER WITH THIS STORM.

* THE TORNADO WILL BE NEAR...
  GAYS MILLS AROUND 530 PM...  
  BELL CENTER AROUND 540 PM...
  SOLDIERS GROVE AROUND 545 PM...
  MONTGOMERYVILLE AND ROLLING GROUND AROUND 555 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
SOUTHWESTERN WISCONSIN.

&&

LAT...LON 4341 9047 4322 9053 4329 9096 4342 9093
TIME...MOT...LOC 2221Z 278DEG 12KT 4337 9089

$$

BOYNE
000 
WWUS53 KARX 272229
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
529 PM CDT MON JUL 27 2009

WIC023-103-272315-
/O.CON.KARX.TO.W.0017.000000T0000Z-090727T2315Z/
RICHLAND WI-CRAWFORD WI-
529 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN CRAWFORD AND WEST CENTRAL RICHLAND COUNTIES...

AT 528 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A POSSIBLE 
TORNADO NEAR HIGHWAY 131 AND COUNTY B...OR 13 MILES SOUTH OF 
VIROQUA...MOVING EAST AT 15 MPH.  WEATHER SPOTTERS NEAR MOUNT 
STERLING REPORTED A TORNADO ON THE GROUND NEAR MOUNT STERLING 
EARLIER WITH THIS STORM.

* THE TORNADO WILL BE NEAR...
  SOLDIERS GROVE AROUND 545 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
SOUTHWESTERN WISCONSIN.

&&

LAT...LON 4341 9047 4322 9053 4329 9096 4342 9093
TIME...MOT...LOC 2228Z 278DEG 12KT 4337 9086

$$

BOYNE
000 
WWUS53 KARX 272240
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
540 PM CDT MON JUL 27 2009

WIC023-103-272315-
/O.CON.KARX.TO.W.0017.000000T0000Z-090727T2315Z/
RICHLAND WI-CRAWFORD WI-
540 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN CRAWFORD AND WEST CENTRAL RICHLAND COUNTIES...

AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
POSSIBLE TORNADO NEAR ROLLING GROUND...OR 18 MILES WEST OF 
RICHLAND CENTER...MOVING EAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  MOUNT ZION AROUND 545 PM...
  HORRIGAN RIDGE AROUND 555 PM...
  TAVERA AROUND 605 PM...  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
SOUTHWESTERN WISCONSIN.

&&

LAT...LON 4341 9080 4341 9047 4322 9053 4326 9079
TIME...MOT...LOC 2239Z 279DEG 9KT 4331 9074

$$

BOYNE
000 
WWUS53 KARX 272249
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
549 PM CDT MON JUL 27 2009

WIC023-103-272315-
/O.CON.KARX.TO.W.0017.000000T0000Z-090727T2315Z/
RICHLAND WI-CRAWFORD WI-
549 PM CDT MON JUL 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN CRAWFORD AND WEST CENTRAL RICHLAND COUNTIES...

AT 548 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO NEAR MOUNT ZION...OR 16 MILES WEST OF RICHLAND 
CENTER...MOVING EAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  EXCELSIOR AROUND 605 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND
SOUTHWESTERN WISCONSIN.

&&

LAT...LON 4326 9075 4341 9069 4341 9061 4340 9047
      4322 9053
TIME...MOT...LOC 2249Z 283DEG 10KT 4327 9069

$$

BOYNE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 2:15 PM CDTSevere Thunderstorm WarningARXClark, Jackson60 min
Jul 27, 2:50 PM CDTSevere Thunderstorm WarningARXJackson25 min
Jul 27, 3:07 PM CDTSevere Thunderstorm WarningARXJackson, Trempealeau33 min
Jul 27, 3:12 PM CDTSevere Thunderstorm WarningARXJackson, Juneau48 min
Jul 27, 3:29 PM CDTSevere Thunderstorm WarningARXMonroe46 min
Jul 27, 4:12 PM CDTSevere Thunderstorm WarningARXMonroe48 min
Jul 27, 4:21 PM CDTSevere Thunderstorm WarningARXAdams39 min
Jul 27, 4:44 PM CDTSevere Thunderstorm WarningARXJuneau, Monroe, Vernon61 min
Jul 27, 5:00 PM CDTSevere Thunderstorm WarningARXCrawford, Richland60 min
Jul 27, 5:36 PM CDTTornado WarningARXRichland54 min
Jul 27, 5:59 PM CDTTornado WarningARXGrant, Richland42 min
Jul 27, 6:10 PM CDTTornado WarningARXRichland31 min
Jul 27, 6:21 PM CDTTornado WarningARXGrant24 min
Jul 27, 6:24 PM CDTAreal Flood AdvisoryARXCrawford, Grant, Richland106 min

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.