Alert archive / Wisconsin / Tornado Warnings in 1990

Tornado Warning 3, NWS Milwaukee, WI

June 12, 1990Clark County, Marathon County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 12, 1990, 8:51 PM CDT for Clark County, Marathon County, Wisconsin. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1990, 8:51 PM CDT (01:51 UTC)
Expired
Jun 12, 1990, 9:45 PM CDT
In force
54 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Clark County, WI, Marathon 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, 1.9 hours before the alert went out and 169 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 1990-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1537 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 1990-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
1537 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1340 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 130153
TORMKE
WIC019-073-130245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
851 PM CDT TUE JUN 12 1990
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL WISCONSIN
          ...CLARK...MARATHON
 
A FUNNEL CLOUD WAS SIGHTED 10 MILES NORTH OF FAIRCHILD NEAR THE WEST
CENTRAL CLARK COUNTY LINE OR ABOUT 70 MILES SOUTHWEST OF WAUSAU.
ANOTHER FUNNEL CLOUD WAS REPORTED NEAR DORCHESTER AT 830 PM. THE LINE
OF THUNDERSTORMS WILL BE AFFECTING ALL OF MARATHON AND CLARK COUNTIES.
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
OSTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:24 PM CDTSevere Thunderstorm WarningMKXMarathon51 min
Jun 12, 7:42 PM CDTTornado WarningMKXMarathon33 min
Jun 12, 8:02 PM CDTSevere Thunderstorm WarningMKXClark, Taylor58 min
Jun 12, 8:11 PM CDTTornado WarningMKXMarathon19 min
Jun 12, 8:20 PM CDTSevere Thunderstorm WarningMKXLincoln40 min

Nearby

Tornado Warnings in Wisconsin, 1990Every tornado warning in 1990Tornadoes 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.