Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 18, NWS Green Bay, WI

April 24, 1994Shawano County, Waupaca County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Apr 24, 1994, 6:43 PM CDT for Shawano County, Waupaca County, Wisconsin. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1994, 6:43 PM CDT (23:43 UTC)
Expired
Apr 24, 1994, 7:30 PM CDT
In force
47 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Shawano County, WI, Waupaca County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.7 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 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°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 1994-04-24The 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 3:58 PM CDT, 2 hours 45 minutes before
WIZ021-031-038-039-242145-

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

...STRONG THUNDERSTORMS WERE MOVING INTO EAST-CENTRAL WISCONSIN...

AT 355 PM...WEATHER RADAR SHOWED STRONG THUNDERSTORMS MOVING INTO
EAST-CENTRAL WISCONSIN.  A CLUSTER OF STRONG STORMS WAS LOCATED OVER
SOUTHERN OCONTO COUNTY NEAR ABRAMS...OR ABOUT 15 MILES NORTH OF GREEN
BAY.  ANOTHER STORM WAS OVER CENTRAL OUTAGAMIE COUNTY NEAR
STEPHENSVILLE...OR 10 MILES NORTHWEST OF APPLETON.  ALL THE STORMS WERE
MOVING SOUTHEAST AT 30 MPH. THESE STORMS WILL AFFECT THE NORTHWEST PART
OF THE GREEN BAY METROPOLITAN AREA...AND THE FOX CITIES BY 445 PM.

IF YOU ARE IN THE PATH OF THESE STORMS...EXPECT STRONG WINDS...DEADLY
LIGHTNING AND POSSIBLY SOME HAIL.  IF YOU ARE OUTDOORS...MOVE TO SHELTER
BEFORE THE STORMS ARRIVE.  ONCE INSIDE... STAY AWAY FROM WINDOWS.

SKOWRONSKI
Special weather statement, Apr 24, 4:18 PM CDT, 2 hours 25 minutes before
WIZ022-242145-

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

...STRONG THUNDERSTORM WAS APPROACHING DOOR COUNTY...

AT 410 PM...WEATHER RADAR INDICATED A STRONG THUNDERSTORM APPROACHING
DOOR COUNTY.   THE STORM WAS OVER THE BAY OF GREEN BAY ABOUT 10 MILES
WEST OF STURGEON BAY...AND WILL AFFECT STURGEON BAY BY 430 PM.

THE SAFEST PLACE TO BE DURING A THUNDERSTORM IS IN A STURDY BUILDING.
IF POSSIBLE...MOVE TO SHELTER BEFORE THE STORM ARRIVES.  IF YOU ARE
CAUGHT IN AN OPEN FIELD...STAY AWAY FROM TALL OBJECTS SUCH AS LONE
TREES.

SKOWRONSKI
Special weather statement, Apr 24, 5:03 PM CDT, 1 hour 40 minutes before
WIZ038>040-242245-

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

...STRONG THUNDERSTORMS CONTINUED TO AFFECT EAST-CENTRAL WISCONSIN...

AT 500 PM...WEATHER RADAR SHOWED A LINE OF INTENSE THUNDERSTORMS FROM
NEAR THE CITY OF KEWAUNEE...OR ABOUT 25 MILES EAST OF GREEN BAY...TO
SEYMOUR...OR ABOUT 15 MILES WEST OF GREEN BAY.  THE LINE WAS SAGGING
SOUTH AT ABOUT 10 MPH.  NO SEVERE WEATHER HAS BEEN REPORTED WITH
THESE STORMS SO FAR.  THE STORMS WILL CONTINUE TO AFFECT THE CITIES OF
GREEN BAY AND KEWAUNEE THROUGH 545 PM.

THESE THUNDERSTORMS WERE PRODUCING HEAVY DOWNPOURS OF RAIN WHICH MAY
RESULT IN PONDING OF WATER ON ROADWAYS.  DO NOT DRIVE YOUR CAR INTO
AREAS WHERE STANDING WATER COVERS THE ROAD.

SKOWRONSKI
Special weather statement, Apr 24, 5:15 PM CDT, 1 hour 28 minutes before
WIZ037-038-242245-

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

...STRONG THUNDERSTORMS IN WAUPACA COUNTY...

AT 510 PM...WEATHER RADAR SHOWED A STRONG THUNDERSTORM DEVELOPING IN
CENTRAL WAUPACA NEAR THE TOWN OF WAUPACA...OR ABOUT 35 MILES WEST OF
GREEN BAY.  THE STORM WAS MOVING EAST AT 30 MPH...AND WILL AFFECT THE
TOWNS OF WEYAUWEGA AND NEW LONDON BY 545 PM.

IF YOU ARE IN THE PATH OF THIS STORM...EXPECT STRONG WINDS...DEADLY
LIGHTNING AND POSSIBLY SOME HAIL.  IF YOU ARE OUTDOORS...MOVE TO SHELTER
BEFORE THE STORM ARRIVES.  ONCE INSIDE... STAY AWAY FROM WINDOWS.

SKOWRONSKI
Special weather statement, Apr 24, 5:42 PM CDT, 1 hour 1 minute before
WIZ031-038-242330-

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

...THUNDERSTORMS WERE REDEVELOPING IN CENTRAL WISCONSIN...

AT 540 PM...WEATHER RADAR INDICATED THUNDERSTORMS REDEVELOPING IN
EASTERN MARATHON COUNTY...NEAR HATLEY..OR ABOUT 15 MILES SOUTHEAST OF
WAUSAU.  THE STORMS WERE MOVING EAST AT 35 MPH...AND WILL AFFECT
SHAWANO COUNTY THROUGH 630 PM.  SOME TOWNS IN THE PATH OF THESE STORMS
INCLUDE WITTENBERG AND BOWLER.  THESE STORMS WILL LIKELY CONTINUE TO
STRENGTHEN.

ANOTHER STRONG STORM WAS OVER WESTERN OUTAGAMIE COUNTY NEAR NEW
LONDON...OR ABOUT 15 MILES NORTHWEST OF APPLETON.  THIS STORM WILL MOVE
THROUGH THE TOWNS OF STEPHENSVILLE A8ND FREEDOM.

TO REDUCE THE RISK OF BEING STRUCK BY LIGHTNING...STAY AWAY FROM
PLUMBING FIXTURES...APPLIANCES AND WINDOWS.  DO NOT USE THE TELEPHONE.

SKOWRONSKI
Special weather statement, Apr 24, 6:11 PM CDT, 32 minutes before
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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 WarningGRBMenominee, Oconto52 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

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.