Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 5, NWS Milwaukee, WI

April 3, 2011Columbia County, Marquette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Apr 3, 2011, 9:58 AM CDT for Columbia County, Marquette County, Wisconsin. It was in force for 17 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
Apr 3, 2011, 9:58 AM CDT (14:58 UTC)
Expired
Apr 3, 2011, 10:15 AM CDT
In force
17 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
1.75 in
Wind
50.0 mph

Counties Columbia County, WI, Marquette County, WI

The radar

The Milwaukee radar (KMKX), 97 km from the middle of the area, began a volume at 15:00 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, 10:00 AM CDTHAIL 0.752 Nne Pardeeville, WI

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, 3.0 hours before the alert went out and 131 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.

649 
WUUS53 KMKX 031458
SVRMKX
WIC021-077-031515-
/O.NEW.KMKX.SV.W.0005.110403T1458Z-110403T1515Z/

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

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN...
  SOUTH CENTRAL MARQUETTE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 1015 AM CDT

* AT 956 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL.  THIS
  STORM WAS LOCATED 8 MILES NORTH OF PARDEEVILLE...OR 11 MILES
  NORTHEAST OF PORTAGE...AND MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTH
  CENTRAL COLUMBIA AND SOUTH CENTRAL MARQUETTE COUNTIES.

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 8924 4364 8924 4364 8921 4355 8922
      4356 8942 4375 8939 4375 8924
TIME...MOT...LOC 1458Z 277DEG 45KT 4365 8926
WIND...HAIL <50MPH 1.75IN

$$

GEHRING
2 follow-up statements
390 
WWUS53 KMKX 031506
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1006 AM CDT SUN APR 3 2011

WIC021-077-031515-
/O.CON.KMKX.SV.W.0005.000000T0000Z-110403T1515Z/
COLUMBIA WI-MARQUETTE WI-
1006 AM CDT SUN APR 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
MARQUETTE AND NORTH CENTRAL COLUMBIA COUNTIES UNTIL 1015 AM CDT...

AT 1000 AM CDT...TRAINED WEATHER SPOTTERS REPORTED 3/4 INCH HAIL IN 
SOUTHERN MARQUETTE COUNTY. HOWEVER...HAIL UP TO THE SIZE OF GOLF BALLS
IS POSSIBLE WITH THIS STORM. THIS STORM WAS LOCATED 9 MILES NORTHEAST 
OF PARDEEVILLE...OR 14 MILES NORTHEAST OF PORTAGE...MOVING EAST AT 50 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTH
CENTRAL COLUMBIA AND SOUTH CENTRAL MARQUETTE COUNTIES.

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 8924 4364 8924 4364 8921 4355 8922
      4356 8942 4375 8939 4375 8924
TIME...MOT...LOC 1504Z 277DEG 45KT 4364 8916
WIND...HAIL <50MPH 1.75IN

$$

GEHRING
950 
WWUS53 KMKX 031507
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1007 AM CDT SUN APR 3 2011

WIC021-077-031517-
/O.EXP.KMKX.SV.W.0005.000000T0000Z-110403T1515Z/
COLUMBIA WI-MARQUETTE WI-
1007 AM CDT SUN APR 3 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MARQUETTE AND
NORTH CENTRAL COLUMBIA COUNTIES WILL EXPIRE AT 1015 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA AND INTO NORTHEAST COLUMBIA COUNTY AND SOUTHWEST GREEN LAKE COUNTY. 

LAT...LON 4371 8924 4364 8924 4364 8921 4355 8922
      4356 8942 4375 8939 4375 8924
TIME...MOT...LOC 1507Z 277DEG 45KT 4363 8911

$$

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, 9:51 AM CDTSevere Thunderstorm WarningMKXColumbia, Dodge, Fond du Lac, Green Lake39 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.