Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 31, NWS Milwaukee, WI

June 15, 1997Dane County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 15, 1997, 6:12 PM CDT for Dane County, Wisconsin. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 15, 1997, 6:12 PM CDT (23:12 UTC)
Expired
Jun 15, 1997, 7:00 PM CDT
In force
48 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Dane County, WI

The radar

The Milwaukee radar (KMKX), 71 km from the middle of the area, began a volume at 23:13 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
Jun 15, 4:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.2 hours before the alert went out and 184 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, Davenport, at 12:00Z on 1997-06-15Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 1997-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
1379 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
215 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.

823 
WUUS1 KMKE 152312
SVRMKE
WIC025-160000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
612 PM CDT SUN JUN 15 1997

* SEVERE THUNDERSTORM WARNING FOR
  DANE COUNTY - SOUTH CENTRAL WISCONSIN

* UNTIL 700 PM CDT
 
* SOME LOCATIONS AFFECTED
  MIDDLETON
  BLACK EARTH
  BLUE MOUNDS
  PINE BLUFF

* AT 610 NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
  SEVERE THUNDERSTORMS 25 MILES OF MADISON. THE LINE OF STORMS WAS
  MOVING EAST AT 45 MPH.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD MOVE
INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE
TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL
THE STORM HAS PASSED.

DAVIS/HENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 3:56 PM CDTSevere Thunderstorm WarningMKXSauk59 min
Jun 15, 4:38 PM CDTSevere Thunderstorm WarningMKXIowa62 min
Jun 15, 4:38 PM CDTSevere Thunderstorm WarningMKXColumbia, Marquette62 min
Jun 15, 4:47 PM CDTSevere Thunderstorm WarningMKXSauk58 min
Jun 15, 5:00 PM CDTSevere Thunderstorm WarningMKXGreen Lake60 min
Jun 15, 5:10 PM CDTSevere Thunderstorm WarningMKXDane65 min
Jun 15, 5:30 PM CDTSevere Thunderstorm WarningMKXIowa, Lafayette60 min
Jun 15, 5:33 PM CDTSevere Thunderstorm WarningMKXDodge, Fond du Lac67 min
Jun 15, 5:38 PM CDTSevere Thunderstorm WarningMKXColumbia47 min
Jun 15, 6:03 PM CDTSevere Thunderstorm WarningMKXJefferson57 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1997Every severe thunderstorm warning in 1997

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.