Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 119, NWS Green Bay, WI

September 30, 1995Portage County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Sep 30, 1995, 8:53 PM CDT for Portage County, Wisconsin. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Sep 30, 1995, 8:53 PM CDT (01:53 UTC)
Expired
Sep 30, 1995, 9:19 PM CDT
In force
26 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Portage County, WI

The radar

The Green Bay radar (KGRB), 110 km from the middle of the area, began a volume at 02:12 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 00:00Z, 1.9 hours before the alert went out and 111 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 1995-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 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 1995-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.19395878Sfc1 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
211 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 010153 RRA
SVRGRB
WIC097-010225-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
853 PM CDT SAT SEP 30 1995

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 925 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL WISCONSIN

   ...PORTAGE COUNTY
 
AT 850 PM...A SEVERE THUNDERSTORM WAS JUST ENTERING THE SOUTHWEST
CORNER OF PORTAGE COUNTY. MOVEMENT WAS TO THE NORTHEAST AT 55 MPH AND
WILL AFFECT STEVENS POINT AND ROSHOLT BY 915 PM.
 
A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS OF 60 MPH AND
HAIL THAT IS DIME-SIZED OR LARGER.  GO TO A STURDY BUILDING AND
STAY AWAY FROM WINDOWS.

LM/TK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 8:40 PM CDTSevere Thunderstorm WarningGRBAdams7 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; radar from the NEXRAD Level II archive.