Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 13, NWS Milwaukee, WI

May 8, 2004Milwaukee County, Waukesha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 8, 2004, 10:04 PM CDT for Milwaukee County, Waukesha County, Wisconsin. It was in force for 41 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 8, 2004, 10:04 PM CDT (03:04 UTC)
Expired
May 8, 2004, 10:45 PM CDT
In force
41 min
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

Counties Milwaukee County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 62 km from the middle of the area, began a volume at 03:04 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 8, 6:25 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.1 hours before the alert went out and 172 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 2004-05-09Temperature 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°0°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 2004-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
499 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMKX 090304
SVRMKX
WIC079-133-090345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1003 PM CDT SAT MAY 8 2004

THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A

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

* UNTIL 1045 PM CDT

* AT 1003 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS WITH LARGE HAIL LOCATED 2 MILES WEST OF NEW
  BERLIN...MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HALES CORNERS BY 1005 PM CDT.
  GREENDALE BY 1010 PM CDT.
  CUDAHY BY 1015 PM CDT.

SPOTTER REPORTED THREE QUARTER INCH HAIL 4 MILES SOUTH OF WAUKESHA.

IF YOU ARE IN THE PATH OF THIS LINE OF STORMS...YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. SEEK SHELTER IMMEDIATELY

LAT...LON 4306 8820 4288 8823 4274 8717 4299 8713

$$

DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:44 PM CDTFlash Flood WarningMKXFond du Lac, Green Lake, Marquette, Sauk, Sheboygan4 hr
May 8, 9:42 PM CDTSevere Thunderstorm WarningMKXSauk63 min
May 8, 10:14 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane61 min
May 8, 10:22 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth53 min
May 8, 10:26 PM CDTSpecial Marine WarningMKX94 min
May 8, 10:26 PM CDTSpecial Marine WarningMKX94 min
May 8, 11:39 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine51 min
May 8, 11:58 PM CDTSpecial Marine WarningMKX92 min
May 8, 11:58 PM CDTSpecial Marine WarningMKX92 min
May 9, 12:10 AM CDTFlash Flood WarningMKXRacine, Walworth95 min
May 9, 1:07 PM CDTSevere Thunderstorm WarningMKXJefferson, Rock, Walworth, Waukesha23 min
May 9, 1:12 PM CDTSevere Thunderstorm WarningMKXJefferson, Rock, Walworth, Waukesha18 min
May 9, 1:28 PM CDTSevere Thunderstorm WarningMKXJefferson, Milwaukee, Walworth, Waukesha47 min
May 9, 1:46 PM CDTSpecial Marine WarningMKX59 min
May 9, 1:46 PM CDTSpecial Marine WarningMKX59 min
May 9, 1:49 PM CDTSevere Thunderstorm WarningMKXKenosha, Milwaukee, Racine56 min
May 9, 2:01 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Racine, Waukesha29 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2004Every severe thunderstorm warning in 2004

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.