Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 74, NWS Green Bay, WI

August 11, 1995Waupaca County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 11, 1995, 11:47 AM CDT for Waupaca County, Wisconsin. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Aug 11, 1995, 11:47 AM CDT (16:47 UTC)
Expired
Aug 11, 1995, 12:30 PM CDT
In force
43 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Waupaca County, WI

The radar

The Green Bay radar (KGRB), 68 km from the middle of the area, began a volume at 16:46 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

Davenport, (KDVN), launched 12:00Z, 4.8 hours before the alert went out and 341 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, Davenport, at 12:00Z on 1995-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 520 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, Davenport, at 12:00Z on 1995-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
520 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1283 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 111649 RRA
SVRGRB
WIC135-111730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1147 AM CDT FRI AUG 11 1995
 
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL WISCONSIN
 
   ...NORTHERN WAUPACA COUNTY
 
AT 1145 AM...DOPPLER WEATHER RADAR INDICATED THAT AN AREA OF SEVERE
THUNDERSTORMS EXTENDED FROM NEAR ANTIGO TO STEVENS POINT. THESE STORMS
WERE MOVING TO THE SOUTHEAST AT 40 MILES AN HOUR. HEAVY RAINS...AND
DAMAGING WINDS IN EXCESS OF 60 MILES AN HOUR ARE POSSIBLE IN THESE
STORMS. TOWNS IN THE PATH OF THE STORMS ARE BIG FALLS...MARION...AND
CLINTONVILLE.
 
 
IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND...
LARGE HAIL...AND DEADLY LIGHTNING.  MOVE TO SHELTER AND
STAY AWAY FROM WINDOWS.
 
 
MJS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 11:40 AM CDTSevere Thunderstorm WarningGRBMarathon, Portage, Shawano35 min
Aug 11, 12:00 PM CDTSevere Thunderstorm WarningGRBLanglade, Menominee, Shawano30 min
Aug 11, 12:08 PM CDTSevere Thunderstorm WarningGRBOconto37 min
Aug 11, 12:08 PM CDTSevere Thunderstorm WarningGRBOutagamie37 min
Aug 11, 12:33 PM CDTSevere Thunderstorm WarningGRBBrown57 min
Aug 11, 12:33 PM CDTSevere Thunderstorm WarningGRBMarinette57 min
Aug 11, 12:43 PM CDTSevere Thunderstorm WarningGRBCalumet, Outagamie, Winnebago62 min
Aug 11, 12:53 PM CDTSevere Thunderstorm WarningGRBDoor, Kewaunee, Manitowoc67 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.