Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 39, NWS Green Bay, WI

July 5, 1994Waupaca County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 5, 1994, 8:25 AM CDT for Waupaca County, Wisconsin. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 5, 1994, 8:25 AM CDT (13:25 UTC)
Expired
Jul 5, 1994, 9:15 AM CDT
In force
50 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Waupaca County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 1.4 hours before the alert went out and 69 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 1994-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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 1994-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
70 J/kg
Mixed-layer CIN
-344 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
35 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 
WUUS1 KGRB 051326 RRA
SVRGRB
WIC135-051415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
825 AM CDT TUE JUL 5 1994
 
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL WISCONSIN
 
   ...WAUPACA COUNTY
 
AT 820 AM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING
FROM JUST SOUTH OF STEVENS POINT TO NEAR WILD ROSE IN NORTHERN WAUSHARA
COUNTY. WILD ROSE IS ABOUT 40 MILES WEST OF APPLETON. THESE STORMS WERE
MOVING EAST AT 35 MILES AN HOUR AND WILL LIKELY AFFECT WESTERN WAUPACA
COUNTY BY 830 AM. SOME TOWNS IN THE PATH OF THESE STORMS INCLUDE
OGDENSBURG...THE CITY OF WAUPACA...AND WEYAUWEGA.
 
AS THE STORMS PASSED THROUGH WISCONSIN RAPIDS QUARTER-SIZE HAIL WAS
REPORTED.
 
WHEN THUNDERSTORMS ARE 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.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
JJ/MM
&

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, Jul 5, 5:07 AM CDT, 3 hours 18 minutes before
WIZ011>013-019>022-031-037>040-048>050-051310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
508 AM CDT TUE JUL 5 1994

...DENSE FOG ACROSS NORTHEAST WISCONSIN...

DENSE FOG HAS REDUCED VISIBILITIES TO NEAR ZERO IN SOME PARTS OF
NORTHEAST WISCONSIN THIS MORNING.  MOTORISTS ON THE MORNING
COMMUTE SHOULD BE ALERT FOR RAPID REDUCTIONS IN VISIBILITY WHEN
DENSE FOG IS ENCOUNTERED.

EXTRA CAUTION IS ESSENTIAL WHEN DRIVING IN FOGGY CO NDITIONS.  ALWAYS
USE LOW-BEAM HEADLIGHTS AND KEEP A GREATER THAN NORMAL DISTANCE BETWEEN
YOUR CAR AND THE VEHICLE AHEAD OF YOU.

MOEDE
Special weather statement, Jul 5, 5:08 AM CDT, 3 hours 17 minutes before
WIZ011>013-019>022-031-037>040-048>050-051310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
508 AM CDT TUE JUL 5 1994

...DENSE FOG ACROSS NORTHEAST WISCONSIN...

DENSE FOG HAS REDUCED VISIBILITIES TO NEAR ZERO IN SOME PARTS OF
NORTHEAST WISCONSIN THIS MORNING.  MOTORISTS ON THE MORNING
COMMUTE SHOULD BE ALERT FOR RAPID REDUCTIONS IN VISIBILITY WHEN
DENSE FOG IS ENCOUNTERED.

EXTRA CAUTION IS ESSENTIAL WHEN DRIVING IN FOGGY CONDITIONS.  ALWAYS
USE LOW-BEAM HEADLIGHTS AND KEEP A GREATER THAN NORMAL DISTANCE BETWEEN
YOUR CAR AND THE VEHICLE AHEAD OF YOU.

MOEDE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 8:04 AM CDTSevere Thunderstorm WarningGRBWaushara56 min
Jul 5, 9:57 AM CDTSevere Thunderstorm WarningGRBCalumet, Manitowoc48 min
Jul 5, 4:51 PM CDTTornado WarningGRBKewaunee, Manitowoc39 min
Jul 5, 5:46 PM CDTTornado WarningGRBManitowoc29 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.