Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 13, NWS Green Bay, WI

July 9, 1988Door County, Kewaunee County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 9, 1988, 4:25 PM CDT for Door County, Kewaunee County, Wisconsin. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1988, 4:25 PM CDT (21:25 UTC)
Expired
Jul 9, 1988, 5:30 PM CDT
In force
65 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 12:00Z, 9.4 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 12:00Z on 1988-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 342 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 1988-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
342 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1116 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
60 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 KGRB 092125
SVRGRB
WIC029-061-092230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE GREEN BAY WI
425 PM CDT SAT JUL 9 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF WISCONSIN
      EXTREME SOUTHERN DOOR...NORTHERN KEWAUNEE

AT 430 PM RADAR INDICATED A SEVERE THUNDERSTORM JUST EAST OF GREEN
BAY MOVING EAST TO NORTHEAST AT 30 MPH. 5/8 INCH HAIL..WIND GUSTS OF
56 MPH..HEAVY RAINS ALONG WITH OCCASIONAL LIGHTNING HAVE BEEN
OBSERVED WITH THIS STORM.

CITIES THAT WILL BE AFFECTED ARE LUXEMBURG..CASCO..AND ALGOMA.

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

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED.  MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.

HELMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 2:52 PM CDTSevere Thunderstorm WarningGRBOutagamie, Waupaca68 min
Jul 9, 3:40 PM CDTSevere Thunderstorm WarningGRBBrown65 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1988Every severe thunderstorm warning in 1988

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.