Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 21, NWS Green Bay, WI

May 24, 1989Door County, Kewaunee County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 24, 1989, 11:06 PM CDT for Door County, Kewaunee County, Wisconsin. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
May 24, 1989, 11:06 PM CDT (04:06 UTC)
Expired
May 24, 1989, 11:45 PM CDT
In force
39 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Door County, WI, Kewaunee 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 00:00Z, 4.1 hours before the alert went out and 56 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 1989-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 533 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 1989-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
533 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 250406
SVRGRB
WIC029-061-250445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING 
NATIONAL WEATHER SERVICE GREEN BAY WI
1106 PM CDT WED MAY 24 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 1145 PM CDT FOR 
PEOPLE IN THE FOLLOWING COUNTIES

   IN THE NORTHEAST PART OF WISCONSIN
      DOOR...KEWAUNEE

...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED

...AT 1055 PM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM THE CITY OF MARINETTE..OR ABOUT 40 MILES NORTH OF
GREEN BAY..THROUGH JUST EAST OF GREEN BAY..SOUTHWESTWARD TO NEAR THE
CITY OF FOND DU LAC.

WINDS UP TO 70 MPH..1 INCH HAIL..AND VERY HEAVY RAIN HAVE BEEN
REPORTED WITH THIS LINE.
MOVEMENT WAS EAST AT 40 MPH.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LBIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING. ONCE
INSIDE...STAY AWAY FROM WINDOWS.

BRUSKY

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 7:17 PM CDTSevere Thunderstorm WarningGRBOutagamie, Waupaca, Winnebago58 min
May 24, 7:24 PM CDTSevere Thunderstorm WarningGRBSauk51 min
May 24, 7:44 PM CDTTornado WarningGRBWinnebago61 min
May 24, 8:04 PM CDTSevere Thunderstorm WarningGRBAdams, Marquette56 min
May 24, 8:04 PM CDTSevere Thunderstorm WarningGRBGreen Lake56 min
May 24, 8:14 PM CDTTornado WarningGRBOconto, Outagamie, Shawano61 min
May 24, 8:35 PM CDTSevere Thunderstorm WarningGRBColumbia40 min
May 24, 8:49 PM CDTTornado WarningGRBWinnebago41 min
May 24, 9:36 PM CDTTornado WarningGRBBrown, Calumet, Kewaunee, Manitowoc69 min
May 24, 9:36 PM CDTTornado WarningGRBDoor69 min
May 24, 10:27 PM CDTSevere Thunderstorm WarningGRBOutagamie, Waupaca, Winnebago63 min
May 24, 10:27 PM CDTSevere Thunderstorm WarningGRBOconto, Shawano63 min
May 24, 10:35 PM CDTSevere Thunderstorm WarningGRBColumbia, Sauk40 min
May 24, 10:35 PM CDTSevere Thunderstorm WarningGRBMarquette40 min
May 24, 10:48 PM CDTTornado WarningGRBBrown, Outagamie42 min
May 24, 10:48 PM CDTTornado WarningGRBCalumet, Winnebago57 min
May 24, 10:48 PM CDTTornado WarningGRBOconto57 min
May 24, 10:53 PM CDTSevere Thunderstorm WarningGRBDane52 min
May 24, 10:58 PM CDTTornado WarningGRBManitowoc62 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1989Every severe thunderstorm warning in 1989

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.