Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 11, NWS Green Bay, WI

June 2, 1990Dane County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 2, 1990, 4:12 PM CDT for Dane County, Wisconsin. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jun 2, 1990, 4:12 PM CDT (21:12 UTC)
Expired
Jun 2, 1990, 5:00 PM CDT
In force
48 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Dane County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.2 hours before the alert went out and 189 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 1990-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 567 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 1990-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
567 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSN 022112
SVRMSN
WIC025-022200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE MADISON WI
412 PM CDT SAT JUN 2 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTH CENTRAL PART OF WISCONSIN
      EASTERN DANE

AT 405 PM CDT RADAR DETECTED A SEVERE THUNDERSTORM JUST NORTHEAST
OF NEW GLARUS OR 25 MILES SOUTHWEST OF MADISON.  MOVEMENT NORTH
NORTHEAST AT 30 MPH.

SOME CITIES IN THE PATH OF THE STORM ARE BELLEVILLE...VERONA AND
MADISON.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AN^D DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

NOAH

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, Jun 2, 3:02 PM CDT, 1 hour 10 minutes before
WIZ008-005-008-009-012-013-022045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
300 PM CDT SAT JUN 2 1990

...TORNADO WATCH IN EFFECT UNTIL 7 PM CDT FOR ALL OF NORTHEAST
   WISCONSIN EXCEPT DOOR COUNTY...

AT 255 PM CDT WEATHER RADAR SHOWED A LARGE AREA OF THUNDERSTORMS
ACROSS SOUTHWEST TO CENTRAL WISCONSIN.  THE MOST INTENSE STORMS
IN CENTRAL WISCONSIN WERE IN THE STEVENS POINT-AMHERST JUNCTION
AREA IN PORTAGE COUNTY.  THESE STORMS ARE MOVING TO THE NORTH
AT AROUND 45 MILES AN HOUR.

AN AREA OF RAIN SHOWERS EXTENDED FROM GREEN BAY TO MARINETTE.
THIS AREA OF SHOWERS WAS ALSO MOVING TO THE NORTH AT 45 MILES
AN HOUR.

AS OF 3 PM CDT THERE HAVE BEEN NO REPORTS OF SEVERE WEATHER IN
NORTHEAST WISCONSIN. HOWEVER YOU SHOULD LISTEN FOR LATER STATE-
MENTS AND THE POSSIBLY OF WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 3:08 PM CDTSevere Thunderstorm WarningGRBDane52 min
Jun 2, 3:29 PM CDTSevere Thunderstorm WarningGRBColumbia46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990

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.