Alert archive / Wisconsin / Tornado Warnings in 1994

Tornado Warning 41, NWS Twin Cities, MN

August 27, 1994Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Aug 27, 1994, 8:37 PM CDT for Eau Claire County, Wisconsin. It was in force for 23 min.

The area

The counties it named.

The facts

Issued
Aug 27, 1994, 8:37 PM CDT (01:37 UTC)
Expired
Aug 27, 1994, 9:00 PM CDT
In force
23 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Eau Claire County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 1.6 hours before the alert went out and 183 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 00:00Z on 1994-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 00:00Z on 1994-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.19395878Sfc1 km3 km6 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
1257 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 280141
TORMSP
WIC035-280200-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
837 PM CDT SAT AUG 27 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL WISCONSIN
 
   ...SOUTHERN EAU CLAIRE COUNTY
 
AT 840 PM...RADAR INDICATED A POSSIBLE TORNADO JUST WEST OF FOSTER OR 10
MILES SOUTH OF EAU CLAIRE. THIS STORM WAS MOVING TO THE EAST TO
SOUTHEAST AT 40 MPH AND WILL MOVE THROUGH FAR SOUTHERN EAU CLAIRE COUNTY
THROUGH 9 PM. IF YOU LIVE IN FOSTER OR FAIRCHILD TAKE COVER
IMMEDIATELY.
 
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR STAIRWAY TO AVOID COLLAPSING
WALLS.  IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN A CENTRAL
ROOM SUCH AS A CLOSET OR BATHROOM ON THE LOWEST FLOOR.
USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 7:14 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn39 min
Aug 27, 7:14 PM CDTSevere Thunderstorm WarningMPXChippewa61 min
Aug 27, 8:01 PM CDTTornado WarningMPXPepin29 min
Aug 27, 8:26 PM CDTSevere Thunderstorm WarningMPXChippewa19 min

Nearby

Tornado Warnings in Wisconsin, 1994Every tornado warning in 1994Tornadoes in 1994

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.