Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 101, NWS Green Bay, WI

September 13, 1994Outagamie County, Waupaca County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Sep 13, 1994, 6:10 PM CDT for Outagamie County, Waupaca County, Wisconsin. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Sep 13, 1994, 6:10 PM CDT (23:10 UTC)
Expired
Sep 13, 1994, 7:00 PM CDT
In force
50 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Outagamie County, WI, Waupaca County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.2 hours before the alert went out and 49 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 1994-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 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 12:00Z on 1994-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 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
58 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
1203 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 132313 RRA
SVRGRB
WIC135-087-140000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
610 PM CDT TUE SEP 13 1994
 
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL WISCONSIN
 
   ...EASTERN WAUPACA COUNTY
 
IN NORTHEAST WISCONSIN
 
   ... OUTAGAMIE COUNTY
 
AT 610 PM RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTHWEST OUTAGAMIE
AND EASTERN WAUPACA COUNTIES. THIS STORM WILL AFFECT THE TOWNS OF
BLACK CREEK...NEW LONDON AND SEYMOUR BY 630 PM.
 
STRONG WINDS AND HAIL ARE LIKELY WITH THIS THUNDERSTORM.
 
 
THIS IS A DANGEROU*S STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, Sep 13, 3:35 PM CDT, 2 hours 35 minutes before
WIZ011-013-019-132140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
335 PM CDT TUE SEP 13 1994

...STRONG THUNDERSTORMS OVER NORTHEAST WISCONSIN...

AT 330 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS EXTENDING
FROM WABENO IN FOREST COUNTY TO NEAR ANTIGO IN LANGLADE COUNTY.
THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE
ACROSS CENTRAL MARINETTE AND INTO EASTERN LANGLADE COUNTY BY
415 PM.  SOME TOWNS IN THE PATH OF THESE STRONG THUNDERSTORMS
INCLUDE WAUSAUKEE...MOUNTAIN AND LANGLADE.

THESE STORMS WILL PRODUCE HEAVY RAINS THAT MAY CAUSE MINOR FLOODING
IN LOW LYING AREAS DURING THE LATE AFTERNOON AND EVENING.
Special weather statement, Sep 13, 3:38 PM CDT, 2 hours 32 minutes before
WIZ011-013-019-132140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
335 PM CDT TUE SEP 13 1994

...STRONG THUNDERSTORMS OVER NORTHEAST WISCONSIN...

AT 330 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS EXTENDING
FROM WABENO IN FOREST COUNTY TO NEAR ANTIGO IN LANGLADE COUNTY.
THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE
ACROSS CENTRAL MARINETTE AND INTO EASTERN LANGLADE COUNTY BY
415 PM.  SOME TOWNS IN THE PATH OTF THESE STRONG THUNDERSTORMS
INCLUDE WAUSAUKEE...MOUNTAIN AND LANGLADE.

THESE STORMS WILL PRODUCE HEAVY RAINS THAT MAY CAUSE MINOR FLOODING
IN LOW LYING AREAS DURING THE LATE AFTERNOON AND EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 4:10 PM CDTSevere Thunderstorm WarningGRBMenominee, Oconto50 min
Sep 13, 4:28 PM CDTSevere Thunderstorm WarningGRBOconto, Shawano47 min
Sep 13, 4:28 PM CDTSevere Thunderstorm WarningGRBMarinette47 min
Sep 13, 5:15 PM CDTSevere Thunderstorm WarningGRBDoor, Kewaunee42 min
Sep 13, 5:15 PM CDTSevere Thunderstorm WarningGRBBrown, Outagamie42 min
Sep 13, 6:10 PM CDTSevere Thunderstorm WarningGRBJuneau80 min
Sep 13, 6:37 PM CDTSevere Thunderstorm WarningGRBAdams83 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.