Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 65, NWS Green Bay, WI

August 25, 1996Marathon County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 25, 1996, 6:18 PM CDT for Marathon County, Wisconsin. It was in force for 42 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 25, 1996, 6:18 PM CDT (23:18 UTC)
Expired
Aug 25, 1996, 7:00 PM CDT
In force
42 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 23:37 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, 11.3 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 12:00Z on 1996-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1088 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
46 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 252319
SVRGRB
WIC073-260000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
618 PM CDT SUN AUG 25 1996

THE NATIONAL WEATHER SERVICE IN GREEN BAY WI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL WISCONSIN

   ...EASTERN MARATHON COUNTY
 
AT 614 PM WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM
NEAR ROTHSCHILD...ABOUT 5 MILES SOUTHEAST OF WAUSAU.  DIME SIZE HAIL
WAS REPORTED IN WAUSAU FROM THIS STORM.

THE STORM WAS MOVING SOUTHEAST AROUND 30 MILES AND HOUR AND WILL MOVE
TO AROUND BEVENT BY 640 PM. HAIL IS THE MAIN THREAT FROM THE STORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL.
IF YOU ARE IN THE PATH OF THIS STORM...GO TO A PLACE OF SAFETY.
IF OUTDOORS...MOVE TO A STRONG BUILDING.

JS/MG
&&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 4:19 PM CDTSevere Thunderstorm WarningGRBOneida56 min
Aug 25, 5:14 PM CDTSevere Thunderstorm WarningGRBLanglade46 min
Aug 25, 6:26 PM CDTSevere Thunderstorm WarningGRBMenominee, Oconto, Shawano49 min
Aug 25, 6:50 PM CDTSevere Thunderstorm WarningGRBBrown, Outagamie55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.