Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 1, NWS Green Bay, WI

April 15, 1992Shawano County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Apr 15, 1992, 5:15 PM CDT for Shawano County, Wisconsin. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1992, 5:15 PM CDT (22:15 UTC)
Expired
Apr 15, 1992, 6:15 PM CDT
In force
60 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Shawano County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.3 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 12:00Z on 1992-04-15Temperature 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 1992-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
212 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 152215
SVRGRB
WIC115-152315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE GREEN BAY WI
515 PM CDT WED APR 15 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF WISCONSIN
      SHAWANO

AT 500 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 55 MILES NORTHWEST
OF GREEN BAY IN SOUTHWEST SHAWANO COUNTY BETWEEN THE TOWNS OF MARION
AND TIGERTON.  THE STORM IS MOVING TO THE EAST AT 30 TO 35 MPH.

SHAWANO COUNTY SHERIFF/S REPORTED 3/4 INCH HAIL FALLING AT TIGERTON
AND MARBLE SIZED HAIL WAS REPORTED NEAR MARION.

THE STORM WILL BE IN THE ADAMS AREA BY 530 PM.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED.  MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.

ISAACSON
E

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 15, 5:00 PM CDT, 15 minutes before
WIZ005-008-162330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
500 PM CDT FRI APR 10 1992

...THUNDERSTORMS WITH HEAVY RAINS AND HAIL MOVING ACROSS NORTHEAST
WISCONSIN...

AT 455 PM...WEATHER SERVICE RADAR INDICATED THUNDERSTORMS CONTAINING
HEAVY RAINS AND POSSIBLE SMALL HAIL WAS MOVING ACROSS SOUTHWEST SHAWANO
COUNTY 45 MILES NORTHWEST OF GREEN BAY NEAR MARION.  THE STORMS ARE MOVING
TO THE EAST AT 30 TO 35 MPH AND WILL BE IN THE SHAWANO AREA BY 530 PM.

THESE STORMS WILL CREATE HEAVY RAINS...SMALL HAIL...STRONG GUSTY WINDS...
AND DANGEROUS LIGHTNING.  PERSONS IN SHAWANO COUNTY SHOULD BE PREPARED TO
MOVE TO AN INDOOR SHELTER IF THREATENING WEATHER APPROACHES.

THESE STORMS WILL MOVE INTO SOUTHERN COUNTY AROUND 6 PM.  STAYED TUNED TO
YOUR NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
ISAACSON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 5:43 PM CDTSevere Thunderstorm WarningGRBOconto62 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1992Every severe thunderstorm warning in 1992

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.