Alert archive / Wisconsin / Tornado Warnings in 1996

Tornado Warning 8, NWS Green Bay, WI

August 7, 1996Marathon County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Aug 7, 1996, 2:54 AM CDT for Marathon County, Wisconsin. It was in force for 46 min. 3 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, 2:54 AM CDT (07:54 UTC)
Expired
Aug 7, 1996, 3:40 AM CDT
In force
46 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Marathon County, WI

The radar

The Green Bay radar (KGRB), 138 km from the middle of the area, began a volume at 07:54 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, 2:56 AM CDTThunderstorm WindEdgar, WI
Aug 7, 3:15 AM CDTThunderstorm WindWausau, WI
Aug 7, 3:19 AM CDTTornado F1Shantytown, 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, 7.9 hours before the alert went out and 139 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°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 070754
TORGRB
WIC073-070840-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
254 AM CDT WED AUG 7 1996

THE NATIONAL WEATHER SERVICE IN GREEN BAY WI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 340 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL WISCONSIN

   ...MARATHON COUNTY
 
AT 250 AM CDT...DOPPLER RADAR INDICATED A POSSIBLE TORNADO ABOUT 2
MILES NORTH OF STRATFORD. MOVEMENT WAS NORTHEAST AT 45 MPH AND WILL
AFFECT THE TOWNS OF FENWOOD...EDGAR AND MARATHON CITY BY 315 AM.
 
GO TO THE BASEMENT AND GET UNDER A STURDY PIECE OF FURNITURE.
IF YOU ARE IN A DWELLING WITHOUT A BASEMENT...MOVE TO AN INTERIOR
ROOM ON THE LOWEST FLOOR.

EB/JS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 1:54 AM CDTSevere Thunderstorm WarningGRBLincoln, Marathon76 min
Aug 7, 2:11 AM CDTSevere Thunderstorm WarningGRBOneida, Vilas79 min
Aug 7, 2:29 AM CDTSevere Thunderstorm WarningGRBWood61 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

Tornado Warnings in Wisconsin, 1996Every tornado warning in 1996Tornadoes 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.