Alert archive / Wisconsin / Tornado Warnings in 1990

Tornado Warning 8, NWS Twin Cities, MN

September 11, 1990Barron County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Sep 11, 1990, 5:57 PM CDT for Barron County, Wisconsin. It was in force for 33 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 11, 1990, 5:57 PM CDT (22:57 UTC)
Expired
Sep 11, 1990, 6:30 PM CDT
In force
33 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Barron County, WI

The radar

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

What was reported inside it

TimeReportWhereRemark
Sep 11, 5:58 PM CDTHail 2.75Barron, WI
Sep 11, 6:10 PM CDTTornado F2Barron, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.0 hours before the alert went out and 152 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, Minneapolis, MN at 12:00Z on 1990-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 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, Minneapolis, MN at 12:00Z on 1990-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.1939Sfc1 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
35 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 112257
TORMSP
WIC005-112330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
557 PM CDT TUE SEP 11 1990
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN WEST CENTRAL WISCONSIN
          ...NORTHERN AND EASTERN BARRON
 
AT 553 PM...CITIZENS REPORTED TOUCHDOWNS OF AT LEAST TWO TORNADOES
ONLY 5 MILES WEST OF RICE LAKE. THIS WAS AT THE INTERSECTION OF
HIGHWAYS 25 AND 48.  THE TORNADOES WILL BE MOVING EAST AT 15
MILES AN HOUR...AND SHOULD BE MOVING INTO THE CITY OF RICE LAKE
BY 610 PM.  PEOPLE AROUND RICE LAKE SHOULD GET TO SHELTER
IMMEDIATELY.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONSO TO COVER YOUR BODY.  AVOID WINDOWS.
 
KRAUSE

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 4:58 PM CDTSevere Thunderstorm WarningMPXBarron62 min
Sep 11, 6:18 PM CDTSevere Thunderstorm WarningMPXRusk57 min
Sep 11, 6:31 PM CDTTornado WarningMPXBarron, Rusk44 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.