Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 39, NWS Milwaukee, WI

September 9, 1990Taylor County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Sep 9, 1990, 8:18 PM CDT for Taylor County, Wisconsin. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Sep 9, 1990, 8:18 PM CDT (01:18 UTC)
Expired
Sep 9, 1990, 8:45 PM CDT
In force
27 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Taylor 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, 1.3 hours before the alert went out and 206 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 1990-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1958 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 1990-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
1958 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1018 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 100118
SVRMKE
WIC019-119-100200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
818 PM CDT SUN SEP 9 1990
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL WISCONSIN
          ...CLARK
IN NORTH CENTRAL WISCONSIN
          ...TAYLOR
 
AT 816 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE
CLARK/TAYLOR/CHIPPEWA COUNTY LINE ABOUT 60 MILES WEST OF WAUSAU. THIS
STORM IS MOVING EAST AT 25 MPH AND WILL BE AFFECTING THE CLARK COUNTY
TOWN OF THORP AND THE TAYLOR COUNTY TOWN OF LUBLIN.
TZ

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 8:18 PM CDTSevere Thunderstorm WarningMKXClark42 min
Sep 9, 8:27 PM CDTSevere Thunderstorm WarningMKXFond du Lac63 min
Sep 9, 10:18 PM CDTSevere Thunderstorm WarningMKXWood42 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.