Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 45, NWS Milwaukee, WI

June 15, 2002Milwaukee County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 15, 2002, 4:54 PM CDT for Milwaukee County, Wisconsin. It was in force for 36 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 15, 2002, 4:54 PM CDT (21:54 UTC)
Expired
Jun 15, 2002, 5:30 PM CDT
In force
36 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Milwaukee County, WI

The radar

The Milwaukee radar (KMKX), 51 km from the middle of the area, began a volume at 21:53 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 15, 4:59 PM CDTHail 0.75Timmerman Arpt, WI
Jun 15, 5:23 PM CDTHail 0.75General Mitchell Arp, WI
Jun 15, 5:29 PM CDTHail 0.75General Mitchell Arp, WI
Jun 15, 5:32 PM CDTHail 0.75Oak Creek, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.9 hours before the alert went out and 163 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 2002-06-15Temperature 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 2002-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
1176 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
32 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 152154
SVRMKE
WIC079-152230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
454 PM CDT SAT JUN 15 2002

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

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

* UNTIL 530 PM CDT

* AT 454 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF BROWN DEER...MOVING
  SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FOX POINT AT 500 PM CDT.
  GLENDALE AT 505 PM CDT.
  MILWAUKEE AT 510 PM CDT.
  ST. FRANCIS AT 525 PM CDT.

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

HAIL UP TO 3/4 OF AN INCH IN DIAMETER AND WINDS GREATER THAN 60 MILES
AN HOUR ARE EXPECTED FROM THIS STORM. IF YOU ARE IN THE STORMS
PATH...SEEK SHELTER INDOORS.

ZAJDEL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 2:30 PM CDTSevere Thunderstorm WarningMKXOzaukee, Washington60 min
Jun 15, 2:39 PM CDTSpecial Marine WarningMKX66 min
Jun 15, 2:39 PM CDTSpecial Marine WarningMKX66 min
Jun 15, 2:59 PM CDTSevere Thunderstorm WarningMKXFond du Lac31 min
Jun 15, 3:47 PM CDTSpecial Marine WarningMKX2 hr
Jun 15, 3:47 PM CDTSpecial Marine WarningMKX2 hr
Jun 15, 3:47 PM CDTSpecial Marine WarningMKX2 hr
Jun 15, 5:31 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Racine44 min
Jun 15, 5:57 PM CDTSpecial Marine WarningMKX108 min
Jun 15, 5:57 PM CDTSpecial Marine WarningMKX108 min
Jun 15, 5:57 PM CDTSpecial Marine WarningMKX108 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.