Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Green Bay, WI

April 24, 1994Menominee County, Oconto County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Apr 24, 1994, 2:38 PM CDT for Menominee County, Oconto County, Wisconsin. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1994, 2:38 PM CDT (19:38 UTC)
Expired
Apr 24, 1994, 3:30 PM CDT
In force
52 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Menominee County, WI, Oconto County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.6 hours before the alert went out and 65 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 1994-04-24Temperature 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°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 1994-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 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
1257 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
218 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 241940
SVRGRB
WIC067-078-083-242030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
238 PM CDT SUN APR 24 1994
 
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST WISCONSIN
 
   ...EASTERN LANGLADE COUNTY...MENOMINEE COUNTY
   ...NORTHERN OCONTO COUNTY
 
AT 235 PM...A SEVERE THUNDERSTORM WAS LOCATED NEAR THE TOWN OF LILY...OR
ABOUT 20 MILES NORTHEAST OF ANTIGO. THE STORM WAS MOVING SOUTHEAST AT
AROUND 30 MPH. SOME TOWNS IN THE PATH OF THIS STORM INCLUDE
NEOPIT...WHITE LAKE...AND MOUNTAIN. THESE TOWNS SHUD BE AFFECTED BY 300
PM.
 
WHEN A THUNDERSTORM IS OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.
 
SKOWRONSKI

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 24, 1:12 PM CDT, 1 hour 26 minutes before
WIZ011>013-242010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
110 PM CDT SUN APR 24 1994

...STRONG THUNDERSTORMS OVER NORTH-CENTRAL WISCONSIN...

AT 1PM CDT WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS OVER
FOREST AND MARINETTE COUNTIES. THE STRONGEST STORM APPEARED TO BE
NEAR CRANDON IN FOREST COUNTY OR 25 MILES SOUTHEAST OF RHINDELANDER.
A LINE OF STRONG THUNDERSTORMS EXTENDED FROM RHINDLANDER EAST THRU
FOREST COUNTY AND INTO MARINETTE COUNTY.

PERSONS IN SOUTHERN FOREST AND CENTRAL MARINETTE COUNTY CAN EXPECTED
THESE STRONG THUNDERSTORMS EARLY THIS AFTERNOON AS THEY MOVE EAST AT
30 MPH.

HAIL UP TO 1/2 INCH HAS BEEN REPORTED NEAR RHINDELANDER ALONG WITH
VERY HEAVY RAIN.

THESE THUNDERSTORMS ARE EXPECTED TO PRODUCE HAIL UP TO 1/2 INCH AND
VERY HEAVY RAINS ALONG WITH DANGEROUS LIGHTNING.
 IF YOU ARE IN THE PATH OF THESE STORMS...EXPECT STRONG WINDS...DEADLY
LIGHTNING AND POSSIBLY SOME HAIL.  IF YOU ARJE OUTDOORS...MOVE TO SHELTER
BEFORE THE STORMS ARRIVE.  ONCE INSIDE... STAY AWAY FROM WINDOWS.

PLH
Special weather statement, Apr 24, 1:49 PM CDT, 49 minutes before
WIZ011-019-242050-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
145 PM CDT SUN APR 24 1994

...STRONG THUNDERSTORMS WERE ENTERING FAR NORTHEAST WISCONSIN...

AT 145 PM...WEATHER RADAR SHOWED STRONG THUNDERSTORMS NEAR BLOOMVILLE
IN EASTERN LINCOLN COUNTY...OR ABOUT 20 MILES SOUTH OF RHINELANDER.
THE STORMS WERE MOVING EAST AT AROUND 30 MPH.  THESE STORMS WERE
INTENSIFYING AND WILL AFFECT LANGLADE AND SOUTHERN FOREST COUNTY BY 245
PM.  SOME TOWNS IN THE PATH OF THE STORMS INCLUDE SUMMIT LAKE
AND MOLE LAKE.

THESE STORMS ARE BEING CLOSELY MONITORED BY THE NATIONAL WEATHER
SERVICE FOR A POSSIBLE WARNING.  IF YOU ARE IN THE PATH OF THESE
STORMS...REMAIN ALERT FOR POTENTIALLY DANGEROUS WEATHER CONDITIONS...
AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER
DEVELOPS OR A WARNING IS ISSUED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR LANGLADE COUNTY UNTIL
500 PM.

JS/PLH
Special weather statement, Apr 24, 2:19 PM CDT, 19 minutes before
WIZ021-242015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
215 PM CDT SUN APR 24 1994

...INTENSE THUNDERSTORMS WERE MOVING TOWARD NORTHERN OCONTO COUNTY...

AT 210 PM...RADAR SHOWED A SEVERE THUNDERSTORM OVER NORTHERN LANGLADE
COUNTY NEAR SUMMIT LAKE OR ABOUT 10 MILES NORTH OF ANTIGO.  IT WAS
MOVING EAST AT AROUND 30 MPH.  IF IT HOLDS TOGETHER...IT WILL MOVE INTO
NORTHERN OCONTO COUNTY NEAR TOWNSEND AND LAKEWOOD BY 245 PM.

RWHEN THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE A STRONG
BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNTIL THE STORMS HAVE PASSED.

SKOWRONSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 1:57 PM CDTSevere Thunderstorm WarningGRBForest, Langlade48 min
Apr 24, 2:38 PM CDTSevere Thunderstorm WarningGRBLanglade37 min
Apr 24, 3:07 PM CDTSevere Thunderstorm WarningGRBMarinette53 min
Apr 24, 4:19 PM CDTTornado WarningGRBBrown26 min
Apr 24, 4:26 PM CDTTornado WarningGRBKewaunee29 min
Apr 24, 4:58 PM CDTSevere Thunderstorm WarningGRBAdams, Juneau47 min
Apr 24, 5:43 PM CDTTornado WarningGRBJuneau47 min
Apr 24, 6:03 PM CDTTornado WarningGRBAdams27 min
Apr 24, 6:31 PM CDTSevere Thunderstorm WarningGRBAdams, Marquette59 min
Apr 24, 6:43 PM CDTSevere Thunderstorm WarningGRBShawano, Waupaca47 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm warning in 1994

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.