Alert archive / Wisconsin / Tornado Warnings in 2016

Tornado Warning 10, NWS La Crosse, WI

September 6, 2016Jackson County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Sep 6, 2016, 4:21 PM CDT for Jackson County, Wisconsin. It was in force for 27 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
Sep 6, 2016, 4:21 PM CDT (21:21 UTC)
Expired
Sep 6, 2016, 4:48 PM CDT
In force
27 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

County Jackson County, WI

The radar

The La Crosse radar (KARX), 77 km from the middle of the area, began a volume at 21:23 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 hours before the alert went out and 186 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, Green Bay/Straub, WI at 12:00Z on 2016-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 583 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, Green Bay/Straub, WI at 12:00Z on 2016-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 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
583 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1042 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

788 
WFUS53 KARX 062121
TORARX
WIC053-062200-
/O.NEW.KARX.TO.W.0010.160906T2121Z-160906T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
421 PM CDT TUE SEP 6 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN JACKSON COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 500 PM CDT
    
* AT 420 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MILLSTON...OR 15 MILES EAST OF BLACK
  RIVER FALLS... MOVING EAST AT 35 MPH.

  HAZARD...TORNADO AND PING PONG BALL 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
  SOUTHEASTERN JACKSON COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
  CITY POINT...PIGEON CREEK CAMPGROUND...I 94 EXIT 128...BEAR BLUFF
  TOWNSHIP AND POTTERS FLOWAGE.

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 4415 9032 4416 9032 4416 9071 4432 9071
      4435 9032 4426 9032 4424 9031 4418 9031
TIME...MOT...LOC 2120Z 268DEG 32KT 4424 9054 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

DTJ
2 follow-up statements
536 
WWUS53 KARX 062134
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
434 PM CDT TUE SEP 6 2016

WIC053-062200-
/O.CON.KARX.TO.W.0010.000000T0000Z-160906T2200Z/
JACKSON WI-
434 PM CDT TUE SEP 6 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN JACKSON COUNTY...
    
AT 433 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 12 MILES EAST OF MILLSTON...OR 16 MILES NORTH OF TOMAH...
MOVING EAST AT 35 MPH.

HAZARD...TORNADO AND PING PONG BALL 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. 

LOCATIONS IMPACTED INCLUDE...
POTTERS FLOWAGE AND BEAR BLUFF TOWNSHIP. 

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 4415 9032 4416 9032 4416 9066 4431 9053
      4435 9032 4426 9032 4424 9031 4418 9031
TIME...MOT...LOC 2133Z 271DEG 30KT 4422 9040 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

DTJ
106 
WWUS53 KARX 062148
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
448 PM CDT TUE SEP 6 2016

WIC053-062158-
/O.CAN.KARX.TO.W.0010.000000T0000Z-160906T2200Z/
JACKSON WI-
448 PM CDT TUE SEP 6 2016

...THE TORNADO WARNING FOR SOUTHEASTERN JACKSON COUNTY IS
CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN IS
STILL POSSIBLE THUNDERSTORMS ACROSS THE AREA.

LAT...LON 4415 9032 4416 9032 4416 9066 4431 9053
      4435 9032 4426 9032 4424 9031 4418 9031
TIME...MOT...LOC 2147Z 268DEG 32KT 4422 9021 

$$

DTJ

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 9:27 AM CDTSpecial Weather StatementARXBuffalo33 min
Sep 6, 9:43 AM CDTAreal Flood AdvisoryARXTaylor3 hr
Sep 6, 10:00 AM CDTSpecial Weather StatementARXBuffalo60 min
Sep 6, 10:23 AM CDTSpecial Weather StatementARXClark67 min
Sep 6, 2:12 PM CDTSpecial Weather StatementARXBuffalo, Trempealeau33 min
Sep 6, 2:53 PM CDTSpecial Weather StatementARXJackson, Trempealeau52 min
Sep 6, 3:30 PM CDTSevere Thunderstorm WarningARXClark, Jackson, Trempealeau45 min
Sep 6, 4:12 PM CDTSevere Thunderstorm WarningARXJackson38 min
Sep 6, 4:39 PM CDTSevere Thunderstorm WarningARXAdams, Juneau66 min
Sep 6, 4:56 PM CDTSpecial Weather StatementARXBuffalo, Clark, Trempealeau64 min
Sep 6, 5:22 PM CDTSpecial Weather StatementARXClark, Jackson, Trempealeau53 min
Sep 6, 6:13 PM CDTSpecial Weather StatementARXMonroe62 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.