Alert archive / Wisconsin / Tornado Warnings in 2016

Tornado Warning 9, NWS La Crosse, WI

July 5, 2016Vernon County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jul 5, 2016, 10:31 PM CDT for Vernon County, Wisconsin. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 5, 2016, 10:31 PM CDT (03:31 UTC)
Expired
Jul 5, 2016, 11:00 PM CDT
In force
29 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Vernon County, WI

The radar

The La Crosse radar (KARX), 48 km from the middle of the area, began a volume at 03:31 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 5, 9:50 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.5 hours before the alert went out and 211 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 00:00Z on 2016-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1788 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 00:00Z on 2016-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
1788 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1054 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

772 
WFUS53 KARX 060331
TORARX
WIC123-060400-
/O.NEW.KARX.TO.W.0009.160706T0331Z-160706T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1031 PM CDT TUE JUL 5 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN VERNON COUNTY IN SOUTHWESTERN WISCONSIN...

* UNTIL 1100 PM CDT
    
* AT 1031 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES SOUTHWEST OF VIROQUA...MOVING EAST AT
  50 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  VIROQUA AROUND 1040 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
VIOLA... LIBERTY...READSTOWN...ROSS AND HIGHWAY 56 AND COUNTY N.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4355 9067 4343 9067 4342 9068 4342 9113
      4356 9116 4356 9065 4355 9065
TIME...MOT...LOC 0331Z 269DEG 42KT 4347 9098 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DAB
3 follow-up statements
718 
WWUS53 KARX 060346
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1046 PM CDT TUE JUL 5 2016

WIC123-060400-
/O.CON.KARX.TO.W.0009.000000T0000Z-160706T0400Z/
VERNON WI-
1046 PM CDT TUE JUL 5 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTH
CENTRAL VERNON COUNTY...
    
AT 1045 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR VIROQUA...MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTH CENTRAL VERNON COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
VIOLA...LIBERTY...READSTOWN...ROSS AND LIBERTY POLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4355 9067 4343 9067 4342 9068 4342 9094
      4351 9092 4356 9065 4355 9065
TIME...MOT...LOC 0345Z 271DEG 28KT 4346 9086 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DAB
071 
WWUS53 KARX 060354
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1054 PM CDT TUE JUL 5 2016

WIC123-060400-
/O.CON.KARX.TO.W.0009.000000T0000Z-160706T0400Z/
VERNON WI-
1054 PM CDT TUE JUL 5 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTH
CENTRAL VERNON COUNTY...
    
AT 1053 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CLAYTON...OR 8 MILES SOUTHEAST OF VIROQUA...MOVING
EAST AT 30 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. THE ROTATION HAS WEAKENED WITH
         THIS STORM AS IT HAS MOVED EAST. A SMALL TORNADO THREAT
         STILL EXISTS...BUT IT HAS LESSENED. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTH CENTRAL VERNON COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
VIOLA...READSTOWN...KICKAPOO CENTER...FOLSOM AND SUGAR GROVE.

THIS TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 11 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4351 9067 4343 9067 4342 9068 4342 9087
      4349 9081
TIME...MOT...LOC 0353Z 271DEG 28KT 4346 9078 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DAB
768 
WWUS53 KARX 060359
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1059 PM CDT TUE JUL 5 2016

WIC123-060408-
/O.EXP.KARX.TO.W.0009.000000T0000Z-160706T0400Z/
VERNON WI-
1059 PM CDT TUE JUL 5 2016

...THE TORNADO WARNING FOR SOUTH CENTRAL VERNON COUNTY WILL EXPIRE AT
1100 PM CDT...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR
SOUTHWESTERN WISCONSIN.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
LA CROSSE.

LAT...LON 4351 9067 4343 9067 4342 9068 4342 9087
      4349 9081
TIME...MOT...LOC 0356Z 269DEG 42KT 4346 9078 

$$

DAB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 8:22 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau38 min
Jul 5, 8:49 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau56 min
Jul 5, 9:00 PM CDTSevere Thunderstorm WarningARXBuffalo45 min
Jul 5, 9:08 PM CDTTornado WarningARXBuffalo37 min
Jul 5, 9:29 PM CDTTornado Warning Tornado observedARXBuffalo, Trempealeau46 min
Jul 5, 9:49 PM CDTSevere Thunderstorm WarningARXLa Crosse, Monroe, Vernon56 min
Jul 5, 10:17 PM CDTSevere Thunderstorm WarningARXJackson, Monroe30 min
Jul 5, 10:34 PM CDTSevere Thunderstorm WarningARXCrawford41 min
Jul 5, 10:45 PM CDTSevere Thunderstorm WarningARXJuneau, Monroe, Richland, Vernon45 min
Jul 5, 10:58 PM CDTSevere Thunderstorm WarningARXAdams, Juneau62 min
Jul 5, 11:29 PM CDTSpecial Weather StatementARXGrant61 min

Nearby

Tornado Warnings in Wisconsin, 2016Every tornado warning in 2016Tornadoes in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.