Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 47, NWS La Crosse, WI

May 26, 2012Jackson County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at May 26, 2012, 8:24 PM CDT for Jackson County, Wisconsin. It was in force for 31 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
May 26, 2012, 8:24 PM CDT (01:24 UTC)
Expired
May 26, 2012, 8:55 PM CDT
In force
31 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Jackson County, WI

The radar

The La Crosse radar (KARX), 81 km from the middle of the area, began a volume at 01:25 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 00:00Z, 1.4 hours before the alert went out and 188 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 2012-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
360 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

009 
WUUS53 KARX 270124
SVRARX
WIC053-270200-
/O.NEW.KARX.SV.W.0047.120527T0124Z-120527T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
824 PM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL JACKSON COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 900 PM CDT

* AT 820 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM LOCATED NEAR POTTERS FLOWAGE...OR 18 MILES EAST
  OF BLACK RIVER FALLS...MOVING NORTHEAST AT 40 MPH. THIS STORM CAN
  PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.  

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CITY POINT AROUND 835 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 4416 9032 4416 9070 4435 9073 4442 9054
      4442 9043 4443 9042 4443 9034 4442 9031
TIME...MOT...LOC 0125Z 243DEG 33KT 4431 9042
WIND...HAIL 60MPH 1.00IN

$$

ZT
3 follow-up statements
242 
WWUS53 KARX 270139
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
839 PM CDT SAT MAY 26 2012

WIC053-270200-
/O.CON.KARX.SV.W.0047.000000T0000Z-120527T0200Z/
JACKSON WI-
839 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
JACKSON COUNTY UNTIL 900 PM CDT...

AT 834 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR CITY POINT...OR 21 MILES SOUTHEAST
OF NEILLSVILLE...MOVING NORTHEAST AT 35 MPH. THIS STORM CAN PRODUCE
QUARTER SIZE HAIL.

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 4416 9032 4416 9058 4439 9060 4442 9054
      4442 9043 4443 9042 4443 9033 4442 9031
TIME...MOT...LOC 0139Z 246DEG 38KT 4433 9030
WIND...HAIL <50MPH 1.00IN

$$

ZT
019 
WWUS53 KARX 270150
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
850 PM CDT SAT MAY 26 2012

WIC053-270200-
/O.CON.KARX.SV.W.0047.000000T0000Z-120527T0200Z/
JACKSON WI-
850 PM CDT SAT MAY 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
JACKSON COUNTY UNTIL 900 PM CDT...

AT 848 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR CITY POINT...OR 21 MILES NORTHEAST
OF TOMAH...MOVING EAST AT 30 MPH. THIS STORM CAN PRODUCE QUARTER SIZE
HAIL.

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 4416 9032 4421 9042 4428 9047 4432 9044
      4436 9034 4438 9031
TIME...MOT...LOC 0150Z 259DEG 25KT 4427 9030
WIND...HAIL <50MPH 1.00IN

$$

ZT
730 
WWUS53 KARX 270155
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
855 PM CDT SAT MAY 26 2012

WIC053-270204-
/O.CAN.KARX.SV.W.0047.000000T0000Z-120527T0200Z/
JACKSON WI-
855 PM CDT SAT MAY 26 2012

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

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 4416 9032 4421 9042 4428 9047 4432 9044
      4436 9034 4438 9031
TIME...MOT...LOC 0154Z 259DEG 25KT 4427 9026

$$

ZT

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 9:23 PM CDTSevere Thunderstorm WarningARXAdams23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.