Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 75, NWS La Crosse, WI

September 6, 2016Clark County, Jackson County, Trempealeau County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Sep 6, 2016, 3:30 PM CDT for Clark County, Jackson County, Trempealeau County, Wisconsin. It was in force for 45 min. 7 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: Sep 6, 2016, 3:30 PM CDT (20:30 UTC)
Expired: Sep 6, 2016, 4:15 PM CDT
In force: 45 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clark County, WI, Jackson County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 75 km from the middle of the area, began a volume at 20:29 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

Time	Report	Where	Remark
Sep 6, 3:30 PM CDT	HAIL 1	1 Wsw Blair, WI	.
Sep 6, 4:04 PM CDT	HAIL 1	Black River Falls, WI	OBSERVED AT WASTE WATER TREATMENT PLANT ALONG WITH STRONG WINDS
Sep 6, 4:04 PM CDT	HAIL 2	Black River Falls, WI	CHUNKS OF HAIL REPORTED WITH STRONG WINDS
Sep 6, 4:05 PM CDT	HAIL 1	Black River Falls, WI	STRONG WINDS ALSO REPORTED BY FIRE CHIEF
Sep 6, 4:05 PM CDT	HAIL 1	Black River Falls, WI	STRONG WINDS ALSO REPORTED BY FIRE CHIEF.
Sep 6, 4:17 PM CDT	TSTM WND DMG	Black River Falls, WI	TREES DOWN IN TOWN AND STREET FLOODING REPORTED
Sep 6, 4:17 PM CDT	TSTM WND DMG	Black River Falls, WI	TREES DOWN IN TOWN AND STREET FLOODING REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.5 hours before the alert went out and 212 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

237 
WUUS53 KARX 062030
SVRARX
WIC019-053-121-062115-
/O.NEW.KARX.SV.W.0075.160906T2030Z-160906T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
330 PM CDT TUE SEP 6 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CLARK COUNTY IN CENTRAL WISCONSIN...
  NORTHERN JACKSON COUNTY IN WEST CENTRAL WISCONSIN...
  EAST CENTRAL TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 415 PM CDT

* AT 329 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES EAST OF WHITEHALL TO BLAIR...MOVING EAST AT
  40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  BLACK RIVER FALLS AROUND 400 PM CDT. 
  HATFIELD AROUND 405 PM CDT. 
  NEILLSVILLE AND SHORTVILLE AROUND 415 PM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
YORK... LYNN...MERRILLAN...ALMA CENTER AND TAYLOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4461 9036 4425 9052 4420 9135 4443 9124
TIME...MOT...LOC 2029Z 258DEG 34KT 4438 9118 4429 9123 

HAIL...1.00IN
WIND...60MPH
 
$$

DTJ

2 follow-up statements

496 
WWUS53 KARX 062050
SVSARX

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

WIC121-062058-
/O.CAN.KARX.SV.W.0075.000000T0000Z-160906T2115Z/
TREMPEALEAU WI-
350 PM CDT TUE SEP 6 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TREMPEALEAU
COUNTY IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED. STRONGER STORMS WILL
MOVE OVER THE REGION AND POSSIBLY PRODUCE LOCALLY HEAVY RAIN.

LAT...LON 4425 9052 4421 9115 4425 9115 4425 9117
      4445 9116 4461 9036
TIME...MOT...LOC 2048Z 265DEG 34KT 4435 9096 4424 9100 

$$

WIC019-053-062115-
/O.CON.KARX.SV.W.0075.000000T0000Z-160906T2115Z/
CLARK WI-JACKSON WI-
350 PM CDT TUE SEP 6 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHERN CLARK AND NORTHERN JACKSON COUNTIES...

AT 348 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF BLACK RIVER FALLS TO 11 MILES
NORTHEAST OF NORTH BEND...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...LAW ENFORCEMENT REPORTED QUARTER SIZE HAIL 5 MILES NORTH
         OF BLAIR. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  BLACK RIVER FALLS AROUND 400 PM CDT. 
  HATFIELD AROUND 405 PM CDT. 
  SHORTVILLE AROUND 415 PM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
YORK... LYNN...MERRILLAN...ALMA CENTER AND TAYLOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4425 9052 4421 9115 4425 9115 4425 9117
      4445 9116 4461 9036
TIME...MOT...LOC 2048Z 265DEG 34KT 4435 9096 4424 9100 

HAIL...1.00IN
WIND...60MPH
 
$$

DTJ

114 
WWUS53 KARX 062103
SVSARX

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

WIC019-053-062115-
/O.CON.KARX.SV.W.0075.000000T0000Z-160906T2115Z/
CLARK WI-JACKSON WI-
403 PM CDT TUE SEP 6 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN CLARK AND CENTRAL JACKSON COUNTIES...

AT 401 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR HATFIELD TO NEAR BLACK RIVER FALLS...MOVING EAST
AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...LAW ENFORCEMENT AT 330 PM ESTIMATED QUARTER SIZE HAIL ONE
         WEST SOUTHWEST OF BLAIR. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  HATFIELD AROUND 410 PM CDT. 
  NEILLSVILLE AND SHORTVILLE AROUND 415 PM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
LYNN... MERRILLAN...ALMA CENTER AND GRANTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4425 9052 4422 9103 4447 9089 4461 9036
TIME...MOT...LOC 2101Z 258DEG 34KT 4437 9082 4426 9086 

HAIL...1.00IN
WIND...60MPH
 
$$

DTJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 6, 9:27 AM CDT	Special Weather Statement	ARX	Buffalo	33 min
Sep 6, 9:43 AM CDT	Areal Flood Advisory	ARX	Taylor	3 hr
Sep 6, 10:00 AM CDT	Special Weather Statement	ARX	Buffalo	60 min
Sep 6, 10:23 AM CDT	Special Weather Statement	ARX	Clark	67 min
Sep 6, 2:12 PM CDT	Special Weather Statement	ARX	Buffalo, Trempealeau	33 min
Sep 6, 2:53 PM CDT	Special Weather Statement	ARX	Jackson, Trempealeau	52 min
Sep 6, 4:12 PM CDT	Severe Thunderstorm Warning	ARX	Jackson	38 min
Sep 6, 4:21 PM CDT	Tornado Warning	ARX	Jackson	27 min
Sep 6, 4:39 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	66 min
Sep 6, 4:56 PM CDT	Special Weather Statement	ARX	Buffalo, Clark, Trempealeau	64 min
Sep 6, 5:22 PM CDT	Special Weather Statement	ARX	Clark, Jackson, Trempealeau	53 min
Sep 6, 6:13 PM CDT	Special Weather Statement	ARX	Monroe	62 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.