Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 60, NWS La Crosse, WI

June 19, 2012Taylor County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 19, 2012, 4:48 AM CDT for Taylor County, Wisconsin. It was in force for 42 min. 5 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
Jun 19, 2012, 4:48 AM CDT (09:48 UTC)
Expired
Jun 19, 2012, 5:30 AM CDT
In force
42 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Taylor County, WI

The radar

The La Crosse radar (KARX), 165 km from the middle of the area, began a volume at 09:48 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
Jun 19, 5:21 AM CDTTSTM WND DMG2 N Stetsonville, WIA FEW TREES DOWN. SCATTERED POWER OUTAGES IN STETSONVILLE.
Jun 19, 5:25 AM CDTTSTM WND DMGStetsonville, WITREE DOWN ON HOUSE
Jun 19, 5:28 AM CDTTSTM WND GST 58Medford, WICORRECTED FOR TIME AND WIND GUST
Jun 19, 5:30 AM CDTTSTM WND GST 57Medford, WI
Jun 19, 5:35 AM CDTHAIL 0.75Medford, WIGUSTY WINDS AS WELL.

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
Jun 19, 3:25 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.8 hours before the alert went out and 206 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 00:00Z on 2012-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1546 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 00:00Z on 2012-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
1546 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

687 
WUUS53 KARX 190948
SVRARX
WIC119-191030-
/O.NEW.KARX.SV.W.0060.120619T0948Z-120619T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
448 AM CDT TUE JUN 19 2012

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN...

* UNTIL 530 AM CDT

* AT 444 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM LOCATED NEAR POLLEY...OR 25 MILES SOUTHEAST OF
  LADYSMITH...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER
  SIZE HAIL.  

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LUBLIN AND HANNIBAL AROUND 455 AM...
  THE MILLER DAM FLOWAGE AROUND 500 AM...
  KATHRYN LAKE AND PERKINSTOWN AROUND 505 AM...
  HIGHWAY 64 AND COUNTY D D AROUND 510 AM...
  ESADORE LAKE AND COUNTY ROADS A AND E AROUND 520 AM...
  MEDFORD AND NORTH TWIN LAKE AROUND 525 AM...
  CHELSEA AND WESTBORO AROUND 530 AM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4539 9019 4503 9019 4503 9094 4527 9093
TIME...MOT...LOC 0948Z 258DEG 31KT 4514 9083
WIND...HAIL <50MPH 1.00IN

$$

MW
3 follow-up statements
518 
WWUS53 KARX 190959
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
459 AM CDT TUE JUN 19 2012

WIC119-191030-
/O.CON.KARX.SV.W.0060.000000T0000Z-120619T1030Z/
TAYLOR WI-
459 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TAYLOR COUNTY
UNTIL 530 AM CDT...

AT 458 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR POLLEY...OR 22 MILES WEST OF
MEDFORD...MOVING EAST AT 30 MPH. THIS STORM CAN PRODUCE QUARTER SIZE
HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THE MILLER DAM FLOWAGE AROUND 510 AM...
  PERKINSTOWN AROUND 515 AM...
  HIGHWAY 64 AND COUNTY D D AND KATHRYN LAKE AROUND 520 AM...
  MEDFORD AND CHELSEA AROUND 530 AM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 AM TUESDAY
MORNING FOR SOUTHEAST MINNESOTA AND NORTHWESTERN WISCONSIN.

&&

LAT...LON 4539 9019 4503 9019 4503 9094 4527 9093
TIME...MOT...LOC 0959Z 261DEG 23KT 4514 9078
WIND...HAIL <50MPH 1.00IN

$$

MW
240 
WWUS53 KARX 191023
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
523 AM CDT TUE JUN 19 2012

WIC119-191030-
/O.CON.KARX.SV.W.0060.000000T0000Z-120619T1030Z/
TAYLOR WI-
523 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN TAYLOR
COUNTY UNTIL 530 AM CDT...

AT 521 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE ROUGHLY OVER MEDFORD...MOVING EAST AT 35 MPH.
THESE STORMS CAN PRODUCE QUARTER SIZE HAIL.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  MEDFORD AND CHELSEA AROUND 530 AM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 AM TUESDAY
MORNING FOR SOUTHEAST MINNESOTA AND NORTHWESTERN WISCONSIN.

&&

LAT...LON 4504 9019 4503 9064 4527 9060 4539 9019
TIME...MOT...LOC 1024Z 269DEG 31KT 4515 9048 4507 9041
WIND...HAIL <50MPH 1.00IN

$$

MW
079 
WWUS53 KARX 191031
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
531 AM CDT TUE JUN 19 2012

WIC119-191041-
/O.EXP.KARX.SV.W.0060.000000T0000Z-120619T1030Z/
TAYLOR WI-
531 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN TAYLOR COUNTY HAS
EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS. HOWEVER...THE LINE OF STORMS REMAINS STRONG AND COULD
PRODUCE SMALL HAIL AND GUSTY WINDS...IN ADDITION TO LIGHTNING AND
HEAVY RAIN.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 AM CDT
TUESDAY MORNING FOR SOUTHEAST MINNESOTA AND NORTHWESTERN WISCONSIN.

LAT...LON 4504 9019 4503 9064 4527 9060 4539 9019
TIME...MOT...LOC 1023Z 269DEG 31KT 4515 9049 4507 9042

$$

MW

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2012Every severe thunderstorm warning in 2012

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.