Alert archive / Wisconsin / Tornado Warnings in 1996

Tornado Warning 9, NWS Green Bay, WI

August 31, 1996Brown County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Aug 31, 1996, 4:10 PM CDT for Brown County, Kewaunee County, Manitowoc County, Wisconsin. It was in force for 35 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 31, 1996, 4:10 PM CDT (21:10 UTC)
Expired
Aug 31, 1996, 4:45 PM CDT
In force
35 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Brown County, WI, Kewaunee County, WI, Manitowoc County, WI

The radar

The Green Bay radar (KGRB), 34 km from the middle of the area, began a volume at 21:09 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 12:00Z, 9.2 hours before the alert went out and 32 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 12:00Z on 1996-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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 12:00Z on 1996-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
41 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
948 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
19 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 312108
TORGRB
WIC009-061-071-312145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
410 PM CDT SAT AUG 31 1996

THE NATIONAL WEATHER SERVICE IN GREEN BAY WI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 445 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST WISCONSIN

   ...SOUTHEASTERN BROWN COUNTY
   ...SOUTHERN KEWAUNEE COUNTY

IN EAST CENTRAL WISCONSIN

   ...NORTHERN MANITOWOC COUNTY
 
AT 357 PM A LINE OF THUNDERSTORMS EXTENDED FROM SOUTHEAST OF GREEN
BAY NEAR LANGES CORNERS TO NEAR MANITOWOC. SEVERAL FUNNEL CLOUDS WERE
REPORTED WITH THESE THUNDERSTORMS AND THE FUNNELS HAVE BEEN APPROACHING
THE GROUND.

THE STORMS SHOW LITTLE MOVEMENT AND ARE EXPECTED TO REMAIN SOUTHEAST OF
GREEN BAY IN THE LANGES CORNERS...DENMARK...COOPERSTOWN AND MARIBEL
AREAS THROUGH 500 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERpT...DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

MG/MS/PH/RS
&

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.