Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 49, NWS Green Bay, WI

July 27, 1993Adams County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 27, 1993, 9:02 PM CDT for Adams County, Wisconsin. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 27, 1993, 9:02 PM CDT (02:02 UTC)
Expired
Jul 27, 1993, 10:00 PM CDT
In force
58 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Adams County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.0 hours before the alert went out and 145 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 00:00Z on 1993-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 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 00:00Z on 1993-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
262 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
155 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 KMSN 280204 RRA
SVRMSN
WIC001-280300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
902 PM CDT TUE JUL 27 1993
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...ADAMS COUNTY
 
AT 900 PM CDT RADAR DETCTED SEVERE THUNDERSTORMS 5 MILES NORTH OF
NECEDAH OR 60 MILES NORTH OF MADISON MOVING TO THE EAST AT 20 MILES
AN HOUR.
 
SOME CITIES AND TOWNS IN THE PATH OF THESE STORMS INCLUDE
    MONROE CENTER..BIG FLATS..ARKDALE..DELLWOOD..FRIENDSHIP AND ADAMS.
 
 
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.
 
 
EEP

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 27, 7:31 PM CDT, 1 hour 31 minutes before
WIZ005-008-009-012-013-280230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
730 PM CDT TUE JUL 27 1993

...STRONG THUNDERSTORMS DEVELOPING IN WESTERN WISCONSIN...

AT 725 PM...WEATHER RADAR SHOWED CLUSTERS OF STRONG THUNDERSTORMS OVER
WESTERN WISCONSIN.  THEY WERE MOVING EAST AT ABOUT 35 MPH.  WEATHER
CONDITIONS ARE FAVORABLE FOR THESE STORMS TO MAINTAIN THEIR INTENSITY AS
THEY PUSH EASTWARD DURING THE EVENING.

IF THE THUNDERSTORMS HOLD TOGETHER AS EXPECTED...THEY WILL BEGIN
AFFECTING THE WESTERN PORTIONS OF SHAWANO...WAUPACA...AND LANGLADE
COUNTIES AFTER 930 PM THIS EVENING.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL WISCONSIN
UNTIL MIDNIGHT.  THIS WATCH DOES NOT INCLUDE NORTHEAST OR EAST CENTRAL
WISCONSIN AT THIS TIME.
.
ALL INTERESTS ARE URGED TO LISTEN TO COMMERCIAL TV OR RADIO...OR NOAA
WEATHER RADIO FOR LATER STATEMENTS.

SKOWRONSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:44 PM CDTSevere Thunderstorm WarningGRBJuneau61 min
Jul 27, 9:56 PM CDTSevere Thunderstorm WarningGRBDane64 min
Jul 27, 11:31 PM CDTSevere Thunderstorm WarningGRBWinnebago44 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1993Every severe thunderstorm warning in 1993

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.