Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 69, NWS Milwaukee, WI

June 6, 2011Dodge County, Washington County, Waukesha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 6, 2011, 9:19 AM CDT for Dodge County, Washington County, Waukesha County, Wisconsin. It was in force for 41 min. 6 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 6, 2011, 9:19 AM CDT (14:19 UTC)
Expired
Jun 6, 2011, 10:00 AM CDT
In force
41 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

Counties Dodge County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 41 km from the middle of the area, began a volume at 14:22 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 6, 9:20 AM CDTHAIL 1.25Hartford, WIDELAYED REPORT. MANY VEHICLES WITH HAIL DAMAGE...MINOR DENTS.
Jun 6, 9:22 AM CDTHAIL 0.51 E Hartford, WIHAIL OF APPROXIMATELY MARBLE SIZE FELL FROM 922 AM TO 927 AM.
Jun 6, 9:25 AM CDTHAIL 0.5Hartford, WI
Jun 6, 9:30 AM CDTHAIL 12 N Hartford, WIESTIMATED QUARTER-SIZE HAIL AND LARGER FOR 4 MINUTES AT A LOCATION 2.6 NORTH OF HARTFORD.
Jun 6, 9:31 AM CDTHAIL 1.751 N Hartford, WIESTIMATED GOLF BALL SIZE HAIL
Jun 6, 9:39 AM CDTHAIL 12 Ne Hartford, WIMOSTLY PEA TO NICKEL SIZE HAIL...BUT RANGING UP TO QUARTER SIZE.

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 6, 7:00 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 2.3 hours before the alert went out and 132 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 2011-06-06Temperature 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 2011-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1658 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
150 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.

380 
WUUS53 KMKX 061419
SVRMKX
WIC027-131-133-061500-
/O.NEW.KMKX.SV.W.0069.110606T1419Z-110606T1500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
919 AM CDT MON JUN 6 2011

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL DODGE COUNTY IN SOUTHEAST WISCONSIN...
  SOUTHERN WASHINGTON COUNTY IN SOUTHEAST WISCONSIN...
  NORTHEASTERN WAUKESHA COUNTY IN SOUTHEAST WISCONSIN...

* UNTIL 1000 AM CDT

* AT 917 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
  THIS STORM WAS LOCATED NEAR HARTFORD...AND MOVING SOUTHEAST AT 35
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HARTFORD AROUND 925 AM CDT.
  SLINGER AROUND 930 AM CDT.
  JACKSON AROUND 940 AM CDT.
  LANNON AROUND 950 AM CDT.
  MENOMONEE FALLS AROUND 955 AM CDT.
  BUTLER AROUND 1000 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SAINT
LAWRENCE...HOLY HILL...HUBERTUS...RICHFIELD...COLGATE...BEAR VALLEY
AND GERMANTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4330 8855 4346 8850 4335 8806 4310 8807
TIME...MOT...LOC 1419Z 294DEG 29KT 4334 8844
WIND...HAIL <50MPH 1.50IN

$$

DAVIS
3 follow-up statements
552 
WWUS53 KMKX 061436
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
936 AM CDT MON JUN 6 2011

WIC027-061446-
/O.CAN.KMKX.SV.W.0069.000000T0000Z-110606T1500Z/
DODGE WI-
936 AM CDT MON JUN 6 2011

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

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

LAT...LON 4324 8839 4336 8839 4335 8806 4310 8807
TIME...MOT...LOC 1436Z 289DEG 26KT 4330 8829

$$

WIC131-133-061500-
/O.CON.KMKX.SV.W.0069.000000T0000Z-110606T1500Z/
WAUKESHA WI-WASHINGTON WI-
936 AM CDT MON JUN 6 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
WASHINGTON AND NORTHEASTERN WAUKESHA COUNTIES UNTIL 1000 AM CDT...

AT 931 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING WALNUT SIZE HAIL.  THIS
STORM WAS LOCATED NEAR SLINGER...MOVING EAST AT 30 MPH.

AT 931 AM CDT...HAM RADIO SPOTTERS REPORTED GOLFBALL SIZE HAIL 1 
NORTH HARTFORD.  

THE SEVERE THUNDERSTORM WILL BE NEAR...
  JACKSON AROUND 945 AM CDT.
  MENOMONEE FALLS AND LANNON AROUND 955 AM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
RICHFIELD...HUBERTUS...COLGATE...BEAR VALLEY AND GERMANTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4324 8839 4336 8839 4335 8806 4310 8807
TIME...MOT...LOC 1436Z 289DEG 26KT 4330 8829
WIND...HAIL <50MPH 1.50IN

$$

CRAVEN
306 
WWUS53 KMKX 061448
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
948 AM CDT MON JUN 6 2011

WIC131-133-061500-
/O.CON.KMKX.SV.W.0069.000000T0000Z-110606T1500Z/
WAUKESHA WI-WASHINGTON WI-
948 AM CDT MON JUN 6 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
WASHINGTON AND NORTHEASTERN WAUKESHA COUNTIES UNTIL 1000 AM CDT...

AT 945 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR JACKSON...MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LANNON AROUND 955 AM CDT.
  MENOMONEE FALLS AROUND 1000 AM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
GERMANTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4310 8807 4319 8828 4336 8822 4335 8806
TIME...MOT...LOC 1448Z 289DEG 26KT 4327 8818
WIND...HAIL <50MPH 1.00IN

$$

CRAVEN
958 
WWUS53 KMKX 061501
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1001 AM CDT MON JUN 6 2011

WIC131-133-061512-
/O.EXP.KMKX.SV.W.0069.000000T0000Z-110606T1500Z/
WAUKESHA WI-WASHINGTON WI-
1001 AM CDT MON JUN 6 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON AND
NORTHEASTERN WAUKESHA COUNTIES HAS EXPIRED...

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

LAT...LON 4310 8807 4319 8828 4336 8822 4335 8806
TIME...MOT...LOC 1448Z 289DEG 26KT 4327 8818

$$

CRAVEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 5:12 AM CDTSevere Thunderstorm WarningMKXSauk48 min
Jun 6, 5:50 AM CDTSevere Thunderstorm WarningMKXSauk40 min
Jun 6, 6:09 AM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Sauk51 min
Jun 6, 6:26 AM CDTSevere Thunderstorm WarningMKXColumbia, Sauk49 min
Jun 6, 6:44 AM CDTSevere Thunderstorm WarningMKXColumbia, Green Lake, Marquette46 min
Jun 6, 8:58 AM CDTSevere Thunderstorm WarningMKXGreen Lake, Marquette47 min
Jun 6, 9:28 AM CDTSevere Thunderstorm WarningMKXFond du Lac, Green Lake62 min
Jun 6, 3:17 PM CDTHeat AdvisoryMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more29 hr

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.