Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 41, NWS Green Bay, WI

August 5, 1996Calumet County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 5, 1996, 7:11 PM CDT for Calumet County, Wisconsin. It was in force for 49 min. 2 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
Aug 5, 1996, 7:11 PM CDT (00:11 UTC)
Expired
Aug 5, 1996, 8:00 PM CDT
In force
49 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Calumet County, WI

The radar

The Green Bay radar (KGRB), 47 km from the middle of the area, began a volume at 00:12 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
Aug 5, 7:30 PM CDTThunderstorm WindChilton, WI
Aug 5, 7:30 PM CDTThunderstorm WindNew Holstein, 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 00:00Z, 0.2 hours before the alert went out and 45 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 1996-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1099 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 1996-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
1099 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1099 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 060012 COR
SVRGRB
WIC015-060100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE GREEN BAY WI
711 PM CDT MON AUG 5 1996

THE NATIONAL WEATHER SERVICE IN GREEN BAY WI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL WISCONSIN

   ...SOUTHEASTERN CALUMET COUNTY
 
AT 708 PM CDT...GREEN BAY DOPPLER WEATHER RADAR INDICATED A SEVERE
THUNDERSTORM 5 MILES NORTHEAST OF FOND DU LAC. THIS STORM WAS MOVING TO
THE NORTHEAST AT 35 MPH AND WILL AFFECT THE TOWNS OF KIEL AND NEW
HOLSTEIN BY 730 PM CDT. DAMAGING WINDS AND HAIL UP TO DIME SIZE WILL
ACCOMPANY THIS STORM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STURDY BUILDING.  STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM
HAS PASSED.

KIECKBUSCH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 4:40 PM CDTSevere Thunderstorm WarningGRBOutagamie, Waupaca50 min
Aug 6, 5:29 PM CDTSevere Thunderstorm WarningGRBOutagamie, Waupaca61 min
Aug 6, 6:17 PM CDTSevere Thunderstorm WarningGRBShawano73 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1996Every severe thunderstorm warning in 1996

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.