Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 4, NWS Milwaukee, WI

April 3, 20114 counties in Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Apr 3, 2011, 9:51 AM CDT for 4 counties in Wisconsin. It was in force for 39 min. 3 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
Apr 3, 2011, 9:51 AM CDT (14:51 UTC)
Expired
Apr 3, 2011, 10:30 AM CDT
In force
39 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
1.75 in
Wind
50.0 mph

Counties Columbia County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI

The radar

The Milwaukee radar (KMKX), 88 km from the middle of the area, began a volume at 14:52 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
Apr 3, 10:06 AM CDTHAIL 0.25Marquette, WI
Apr 3, 10:06 AM CDTHAIL 0.5Dalton, WI
Apr 3, 10:25 AM CDTHAIL 0.25Randolph, WIPEA SIZE HAIL COVERING THE GROUND

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, 2.9 hours before the alert went out and 114 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 2011-04-03Temperature 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 12:00Z on 2011-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897117Sfc1 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
699 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
178 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.

830 
WUUS53 KMKX 031451
SVRMKX
WIC021-027-039-047-031530-
/O.NEW.KMKX.SV.W.0004.110403T1451Z-110403T1530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
951 AM CDT SUN APR 3 2011

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN...
  NORTHWESTERN DODGE COUNTY IN SOUTHEAST WISCONSIN...
  WEST CENTRAL FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN...
  SOUTHERN GREEN LAKE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 1030 AM CDT

* AT 948 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE   
  THUNDERSTORM PRODUCING GOLF BALL SIZE HAIL IN NORTHWEST COLUMBIA 
  COUNTY.  THIS STORM WAS LOCATED 8 MILES NORTH OF PORTAGE...AND 
  MOVING EAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CAMBRIA AND MARKESAN AROUND 1005 AM CDT.
  RANDOLPH AROUND 1010 AM CDT.
  WAUPUN AROUND 1020 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
DALTON...KINGSTON...FRIESLAND...ASTICO...FOX LAKE AND ATWATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL THAT WILL COVER THE GROUND.  
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4373 8873 4349 8874 4355 8925 4377 8925
      4376 8918 4377 8917
TIME...MOT...LOC 1450Z 282DEG 53KT 4365 8937
WIND...HAIL <50MPH 1.75IN

$$

GEHRING
4 follow-up statements
401 
WWUS53 KMKX 031501
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1001 AM CDT SUN APR 3 2011

WIC021-027-039-047-031530-
/O.CON.KMKX.SV.W.0004.000000T0000Z-110403T1530Z/
COLUMBIA WI-DODGE WI-FOND DU LAC WI-GREEN LAKE WI-
1001 AM CDT SUN APR 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN GREEN
LAKE...WEST CENTRAL FOND DU LAC...NORTHWESTERN DODGE AND NORTHEASTERN
COLUMBIA COUNTIES UNTIL 1030 AM CDT...

AT 956 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
NORTH OF PARDEEVILLE...OR 9 MILES NORTHEAST OF PORTAGE...MOVING EAST
AT 55 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CAMBRIA AROUND 1010 AM CDT.
  RANDOLPH AND MARKESAN AROUND 1015 AM CDT.
  WAUPUN AROUND 1025 AM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
KINGSTON...FRIESLAND...MANCHESTER...ASTICO...FOX LAKE AND ATWATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4373 8873 4349 8874 4355 8925 4377 8925
      4376 8918 4377 8917
TIME...MOT...LOC 1501Z 279DEG 47KT 4363 8925
WIND...HAIL 60MPH 1.75IN

$$

KUHLMAN
418 
WWUS53 KMKX 031512
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1012 AM CDT SUN APR 3 2011

WIC021-027-039-047-031530-
/O.CON.KMKX.SV.W.0004.000000T0000Z-110403T1530Z/
COLUMBIA WI-DODGE WI-FOND DU LAC WI-GREEN LAKE WI-
1012 AM CDT SUN APR 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN GREEN
LAKE...WEST CENTRAL FOND DU LAC...NORTHWESTERN DODGE AND NORTHEASTERN
COLUMBIA COUNTIES UNTIL 1030 AM CDT...

AT 1009 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL.  THIS
STORM WAS LOCATED NEAR CAMBRIA...OR 16 MILES NORTHWEST OF BEAVER
DAM...MOVING EAST AT 55 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  WAUPUN AROUND 1025 AM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE FOX
LAKE...ASTICO AND ATWATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4371 8873 4349 8874 4355 8923 4371 8915
      4373 8913 4374 8910
TIME...MOT...LOC 1512Z 282DEG 48KT 4359 8905
WIND...HAIL <50MPH 1.25IN

$$

GEHRING
023 
WWUS53 KMKX 031516
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1016 AM CDT SUN APR 3 2011

WIC021-027-039-047-031530-
/O.CON.KMKX.SV.W.0004.000000T0000Z-110403T1530Z/
COLUMBIA WI-DODGE WI-FOND DU LAC WI-GREEN LAKE WI-
1016 AM CDT SUN APR 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
GREEN LAKE...WEST CENTRAL FOND DU LAC...NORTHWESTERN DODGE AND
NORTHEASTERN COLUMBIA COUNTIES UNTIL 1030 AM CDT...

AT 1013 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL.  THIS
STORM WAS LOCATED NEAR RANDOLPH...OR 13 MILES NORTHWEST OF BEAVER
DAM...MOVING EAST AT 55 MPH.

IN ADDITION...3/4 INCH HAIL WAS REPORTED BY A STORM SPOTTER IN PARDEEVILLE 
AROUND 10 AM. 

THE SEVERE THUNDERSTORM WILL BE NEAR...
  WAUPUN AROUND 1030 AM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE FOX LAKE
AND ASTICO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4355 8917 4367 8911 4369 8910 4372 8907
      4371 8873 4349 8874
TIME...MOT...LOC 1515Z 282DEG 48KT 4358 8900
WIND...HAIL <50MPH 1.25IN

$$

GEHRING
715 
WWUS53 KMKX 031524
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1024 AM CDT SUN APR 3 2011

WIC021-027-039-047-031534-
/O.EXP.KMKX.SV.W.0004.000000T0000Z-110403T1530Z/
COLUMBIA WI-DODGE WI-FOND DU LAC WI-GREEN LAKE WI-
1024 AM CDT SUN APR 3 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GREEN LAKE...WEST
CENTRAL FOND DU LAC...NORTHWESTERN DODGE AND NORTHEASTERN COLUMBIA
COUNTIES WILL EXPIRE AT 1030 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4355 8917 4367 8911 4369 8910 4372 8907
      4371 8873 4349 8874
TIME...MOT...LOC 1524Z 282DEG 48KT 4355 8884

$$

GEHRING

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 9:23 AM CDTSevere Thunderstorm WarningMKXColumbia, Marquette37 min
Apr 3, 9:58 AM CDTSevere Thunderstorm WarningMKXColumbia, Marquette17 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2011Every severe thunderstorm warning in 2011

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.