Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 90, NWS Milwaukee, WI

August 3, 1997Dodge County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 3, 1997, 10:00 PM CDT for Dodge County, Wisconsin. It was in force for 60 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
Aug 3, 1997, 10:00 PM CDT (03:00 UTC)
Expired
Aug 3, 1997, 11:00 PM CDT
In force
60 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Dodge County, WI

The radar

The Milwaukee radar (KMKX), 51 km from the middle of the area, began a volume at 02:59 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 00:00Z, 3.0 hours before the alert went out and 128 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 1997-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 657 joules per kilogram.LCLLFCEL10008507005003002001001 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 1997-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
657 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 040304 RRA
SVRMKE
WIC027-040400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1000 PM CDT SUN AUG 3 1997

* SEVERE THUNDERSTORM WARNING FOR
  DODGE COUNTY - SOUTHEASTERN WISCONSIN

* UNTIL 1100 PM CDT
 
* SOME LOCATIONS AFFECTED
  FOX LAKE
  BEAVER DAM
  JUNEAU
  BURNETT

* AT 1000 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM JUST WEST OF WAUPUN...20 MILES SOUTHWEST OF
  FOND DU LAC. THE STORM WAS MOVING SOUTH AT 25 MPH.  THIS STORM HAS
  A HISTORY OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 

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.

NJ/MK/TH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 7:01 PM CDTSevere Thunderstorm WarningMKXGreen, Rock59 min
Aug 3, 7:23 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Green Lake57 min
Aug 3, 8:06 PM CDTSevere Thunderstorm WarningMKXDodge54 min
Aug 3, 9:15 PM CDTSevere Thunderstorm WarningMKXGreen Lake60 min
Aug 3, 10:02 PM CDTSevere Thunderstorm WarningMKXRacine, Walworth58 min
Aug 4, 1:13 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane47 min
Aug 4, 1:41 PM CDTSevere Thunderstorm WarningMKXDane49 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.