Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 70, NWS Green Bay, WI

August 9, 1995Winnebago County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 9, 1995, 4:50 AM CDT for Winnebago County, Wisconsin. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Aug 9, 1995, 4:50 AM CDT (09:50 UTC)
Expired
Aug 9, 1995, 5:50 AM CDT
In force
60 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Winnebago County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.8 hours before the alert went out and 63 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 1995-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1364 joules per kilogram.LCLEL10008507005003002001001 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 1995-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1364 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 090949 RRA
SVRGRB
WIC139-091050-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
450 AM CDT WED AUG 9 1995

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 550 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL WISCONSIN

   ...WINNEBAGO COUNTY
 
AT 445 AM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ENTERING
NORTHWEST WINNEBAGO COUNTY. THIS STORM WAS MOVING TO THE SOUTHEAST
AT 30 MPH AND WILL AFFECT THE COMMUNITIES OF WINNECONNE AND THE CITY
OF OSHKOSH.

THIS STORM WILL ALSO AFFECT LAKE WINNEBAGO AND BOATERS ON THE LAKE
SHOULD HEAD FOR SHORE NOW.
 
SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS AND LARGE HAIL.
IF OUTDOORS...GO INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS.

ISAACSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 2:46 AM CDTSevere Thunderstorm WarningGRBMarathon27 min
Aug 9, 2:46 AM CDTSevere Thunderstorm WarningGRBShawano44 min
Aug 9, 4:07 AM CDTSevere Thunderstorm WarningGRBWaupaca, Waushara48 min
Aug 9, 5:04 AM CDTSevere Thunderstorm WarningGRBWaupaca, Waushara61 min
Aug 9, 5:29 AM CDTTornado WarningGRBWaushara, Winnebago31 min
Aug 9, 6:07 AM CDTSevere Thunderstorm WarningGRBWinnebago33 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1995Every severe thunderstorm warning in 1995

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.