Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 45, NWS Green Bay, WI

August 7, 1996Lincoln County, Marathon County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 7, 1996, 1:54 AM CDT for Lincoln County, Marathon County, Wisconsin. It was in force for 76 min. 7 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 7, 1996, 1:54 AM CDT (06:54 UTC)
Expired
Aug 7, 1996, 3:10 AM CDT
In force
76 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Lincoln County, WI, Marathon County, WI

The radar

The Green Bay radar (KGRB), 146 km from the middle of the area, began a volume at 06:56 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 7, 2:45 AM CDTTornado F2Stratford, WI
Aug 7, 2:46 AM CDTTornado F1Stratford, WI
Aug 7, 2:55 AM CDTThunderstorm WindMerrill, WI
Aug 7, 2:56 AM CDTThunderstorm WindEdgar, WI
Aug 7, 3:15 AM CDTThunderstorm WindWausau, WI
Aug 7, 3:19 AM CDTTornado F1Shantytown, WI
Aug 7, 3:20 AM CDTThunderstorm WindHarrison, 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, 6.9 hours before the alert went out and 148 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 1996-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3575 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 1996-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
3575 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
133 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 
TTAA00 KGRB 070654
SVRGRB
WIC069-073-070810-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
154 AM CDT WED AUG 7 1996

THE NATIONAL WEATHER SERVICE IN GREEN BAY WI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 310 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL WISCONSIN

   ...LINCOLN COUNTY

IN CENTRAL WISCONSIN

   ...MARATHON COUNTY
 
AT 150 AM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR
LADYSMITH AND NEILLSVILLE.  THE MOVEMENT WAS NORTHEAST AT 45 MPH.  THE
STORM WILL MOVE INTO SPENCER BY 210 AM...AND INTO THE WAUSAU...MERRILL
AND TOMAHAWK AREAS BY 230 AM.

 A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN EXCESS OF 60 MPH...AND
HAIL THAT IS DIME-SIZED OR LARGER.  GO TO A STURDY BUILDING AND
STAY AWAY FROM WINDOWS.


JML/JS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 2:11 AM CDTSevere Thunderstorm WarningGRBOneida, Vilas79 min
Aug 7, 2:29 AM CDTSevere Thunderstorm WarningGRBWood61 min
Aug 7, 2:54 AM CDTTornado WarningGRBMarathon46 min
Aug 7, 2:55 AM CDTSevere Thunderstorm WarningGRBPortage50 min
Aug 7, 3:03 AM CDTSevere Thunderstorm WarningGRBLincoln32 min
Aug 7, 3:15 AM CDTSevere Thunderstorm WarningGRBLanglade, Shawano, Waupaca95 min
Aug 7, 3:15 AM CDTSevere Thunderstorm WarningGRBForest95 min
Aug 7, 3:15 AM CDTSevere Thunderstorm WarningGRBWaushara95 min
Aug 7, 3:15 AM CDTSevere Thunderstorm WarningGRBLanglade, Shawano, Waupaca75 min
Aug 7, 3:15 AM CDTSevere Thunderstorm WarningGRBWaushara75 min
Aug 7, 3:15 AM CDTSevere Thunderstorm WarningGRBForest75 min
Aug 7, 3:27 AM CDTSevere Thunderstorm WarningGRBOneida, Vilas33 min
Aug 7, 3:48 AM CDTSevere Thunderstorm WarningGRBPortage62 min
Aug 7, 3:48 AM CDTSevere Thunderstorm WarningGRBPortage27 min
Aug 7, 4:02 AM CDTSevere Thunderstorm WarningGRBMarinette, Oconto, Shawano93 min
Aug 7, 4:02 AM CDTSevere Thunderstorm WarningGRBFlorence93 min
Aug 7, 4:16 AM CDTSevere Thunderstorm WarningGRBOutagamie, Winnebago74 min
Aug 7, 4:40 AM CDTSevere Thunderstorm WarningGRBBrown, Calumet65 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.