Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 39, NWS Milwaukee, WI

May 6, 2005Waukesha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 6, 2005, 6:35 PM CDT for Waukesha County, Wisconsin. It was in force for 55 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 6, 2005, 6:35 PM CDT (23:35 UTC)
Expired
May 6, 2005, 7:30 PM CDT
In force
55 min
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

County Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 17 km from the middle of the area, began a volume at 23:39 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 12:00Z, 11.6 hours before the alert went out and 156 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 2005-05-06Temperature 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 2005-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1679 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
-59 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.

000 
WUUS53 KMKX 062335
SVRMKX
WIC133-070030-
/O.NEW.KMKX.SV.W.0039.050506T2335Z-050507T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
635 PM CDT FRI MAY 6 2005

THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WAUKESHA COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 730 PM CDT

* AT 630 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 8 MILES WEST OF
  OKAUCHEE LAKE...OR ABOUT 7 MILES SOUTHEAST OF WATERTOWN...AND
  MOVING SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OKAUCHEE LAKE AROUND 645 PM CDT...
  DELAFIELD AROUND 655 PM CDT...

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

LAT...LON 4318 8853 4307 8853 4299 8842 4311 8835

$$

GEHRING
3 follow-up statements
000 
WWUS53 KMKX 062350
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
649 PM CDT FRI MAY 6 2005

WIC133-070030-
/O.CON.KMKX.SV.W.0039.000000T0000Z-050507T0030Z/
WAUKESHA-
649 PM CDT FRI MAY 6 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 730 PM CDT FOR WEST
CENTRAL WAUKESHA COUNTY...

AT 643 PM CDT...A NATIONAL WEATHER SERVICE EMPLOYEE REPORTED DIME 
SIZE HAIL IN OCONOMOWOC. THIS STORM WAS LOCATED NEAR OCONOMOWOC...OR 
ABOUT NEAR OKAUCHEE LAKE...MOVING SOUTHEAST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  OCONOMOWOC LAKE BY 650 PM CDT
  NASHOTAH BY 655 PM CDT
  DELAFIELD BY 700 PM CDT
  WALES BY 710 PM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4313 8852 4305 8853 4298 8841 4307 8830

$$

GEHRING
000 
WWUS53 KMKX 070003
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
702 PM CDT FRI MAY 6 2005

WIC133-070030-
/O.CON.KMKX.SV.W.0039.000000T0000Z-050507T0030Z/
WAUKESHA-
702 PM CDT FRI MAY 6 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 730 PM CDT FOR
CENTRAL WAUKESHA COUNTY...

AT 702 PM CDT...A NATIONAL WEATHER SERVICE EMPLOYEE REPORTED DIME
SIZE HAIL 1 MILE SOUTH OF DOUSMAN. THIS STORM WAS LOCATED NEAR 
DOUSMAN...OR ABOUT NEAR DELAFIELD...MOVING SOUTHEAST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  WALES BY 705 PM CDT
  GENESSEE AND GENESSEE DEPOT BY 715 PM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4311 8843 4301 8852 4292 8837 4304 8830

$$

GEHRING
000 
WWUS53 KMKX 070019
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
719 PM CDT FRI MAY 6 2005

WIC133-070030-
/O.CON.KMKX.SV.W.0039.000000T0000Z-050507T0030Z/
WAUKESHA-
719 PM CDT FRI MAY 6 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 730 PM CDT FOR SOUTH
CENTRAL WAUKESHA COUNTY...

AT 714 PM CDT...TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZE HAIL 
IN NORTH PRAIRIE. THIS STORM WAS LOCATED NEAR NORTH PRAIRIE AND 
GENESSEE...OR ABOUT NEAR WALES...MOVING SOUTHEAST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL SOUTHEAST WAUKESHA COUNTY THROUGH 730 PM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4299 8835 4291 8842 4285 8830 4293 8820

$$

GEHRING

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 4:30 PM CDTTornado WarningMKXFond du Lac26 min
May 6, 5:14 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Ozaukee, Sheboygan, Washington48 min
May 6, 5:16 PM CDTSevere Thunderstorm WarningMKXDodge74 min
May 6, 5:24 PM CDTSevere Thunderstorm WarningMKXFond du Lac51 min
May 6, 5:45 PM CDTSevere Thunderstorm WarningMKXDane45 min
May 6, 6:19 PM CDTSevere Thunderstorm WarningMKXJefferson28 min
May 6, 6:29 PM CDTSevere Thunderstorm WarningMKXDane46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2005Every severe thunderstorm warning in 2005

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.