Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 65, NWS La Crosse, WI

July 17, 2012Adams County, Juneau County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jul 17, 2012, 7:19 PM CDT for Adams County, Juneau County, Wisconsin. It was in force for 38 min. 1 report 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 17, 2012, 7:19 PM CDT (00:19 UTC)
Expired
Jul 17, 2012, 7:57 PM CDT
In force
38 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Adams County, WI, Juneau County, WI

What was reported inside it

TimeReportWhereRemark
Jul 17, 7:22 PM CDTTSTM WND DMG3 E New Rome, WI2 TREES DOWN.

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 00:00Z, 0.3 hours before the alert went out and 153 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 2012-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 280 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 2012-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
280 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

526 
WUUS53 KARX 180019
SVRARX
WIC001-057-180115-
/O.NEW.KARX.SV.W.0065.120718T0019Z-120718T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
719 PM CDT TUE JUL 17 2012

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ADAMS COUNTY IN CENTRAL WISCONSIN...
  NORTHERN JUNEAU COUNTY IN CENTRAL WISCONSIN...

* UNTIL 815 PM CDT

* AT 714 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM LOCATED NEAR LAKE SHERWOOD...OR 13 MILES
  NORTH OF FRIENDSHIP...MOVING SLOWLY TO THE EAST AT 10 MPH. THIS
  STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. LOCALLY HEAVY RAINFALL IS ALSO LIKELY. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAKE CAMELOT AROUND 730 PM...
  THE PRESTON CLIFFS AROUND 735 PM...
  COLBURN AROUND 745 PM...
  THE SHIP ROCK WAYSIDE AROUND 750 PM...
  THE LEOLA MARSH WILDLIFE AREA AND THE COLBURN WILDLIFE AREA AROUND
  755 PM...
  COUNTY ROADS O AND W AND COUNTY ROADS D AND W AROUND 800 PM...
  HIGHWAY 21 AND COUNTY G AROUND 805 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4403 9031 4425 9031 4425 8960 4424 8959
      4395 8960
TIME...MOT...LOC 0019Z 263DEG 9KT 4417 8981
WIND...HAIL 60MPH 1.00IN

$$

MW
2 follow-up statements
149 
WWUS53 KARX 180037
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
737 PM CDT TUE JUL 17 2012

WIC001-057-180115-
/O.CON.KARX.SV.W.0065.000000T0000Z-120718T0115Z/
ADAMS WI-JUNEAU WI-
737 PM CDT TUE JUL 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
JUNEAU AND NORTHERN ADAMS COUNTIES UNTIL 815 PM CDT...

AT 733 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR LAKE CAMELOT...OR 15 MILES NORTH OF
FRIENDSHIP...MOVING EAST AT 10 MPH. THIS STORM CAN PRODUCE QUARTER
SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COLBURN AROUND 740 PM...
  THE SHIP ROCK WAYSIDE AROUND 745 PM...
  THE COLBURN WILDLIFE AREA AROUND 750 PM...
  THE LEOLA MARSH WILDLIFE AREA AND COUNTY ROADS O AND W AROUND 755
  PM...
  COUNTY ROADS D AND W AROUND 800 PM...
  COUNTY ROADS C AND G AROUND 805 PM...
  COUNTY ROADS D AND G AND COUNTY ROADS G AND O AROUND 810 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4403 9031 4425 9031 4425 8960 4424 8959
      4395 8960
TIME...MOT...LOC 0036Z 258DEG 9KT 4419 8974
WIND...HAIL 60MPH 1.00IN

$$

MW
268 
WWUS53 KARX 180057
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
757 PM CDT TUE JUL 17 2012

WIC001-057-180106-
/O.CAN.KARX.SV.W.0065.000000T0000Z-120718T0115Z/
ADAMS WI-JUNEAU WI-
757 PM CDT TUE JUL 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN JUNEAU AND NORTHERN
ADAMS COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER...THUNDERSTORMS REMAIN IN THE AREA...AND THERE MAY STILL BE 
AREAS OF LOCALLY HEAVY RAINFALL AND DANGEROUS LIGHTNING. 

LAT...LON 4403 9031 4425 9031 4425 8960 4424 8959
      4395 8960
TIME...MOT...LOC 0056Z 249DEG 12KT 4423 8962

$$

MW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 4:23 PM CDTSevere Thunderstorm WarningARXCrawford, Vernon52 min
Jul 18, 4:57 PM CDTSevere Thunderstorm WarningARXCrawford33 min

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.