Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS Twin Cities, MN

April 24, 1994Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 24, 1994, 2:13 PM CDT for Dunn County, Wisconsin. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1994, 2:13 PM CDT (19:13 UTC)
Expired
Apr 24, 1994, 3:00 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Dunn County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 7.2 hours before the alert went out and 135 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 1994-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1686 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 241915
SVRMSP
WIC033-242000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
213 PM CDT SUN APR 24 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL WISCONSIN
 
   ...DUNN COUNTY
 
AT 214 PM RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO DUNN COUNTY
IN WESTERN WISCONSIN. THIS STORM WAS LOCATED ALONG THE WESTERN DUNN
COUNTY BORDER NEAR DOWNING AND BOYCEVILLE MOVING EAST AT 25 MILES AN
HOUR.
 
THIS WILL MOVE THE STORM INTO THE TOWNS OF WHEELER...AND COLFAX BY 230
PM.
 
AS THIS STORM MOVED THROUGH ST CROIX COUNTY HAIL LARGE ENOUGH TO CRACK
THE WINDSHIELD OF A LAW ENFORCEMENT VEHICLE WAS REPORTED.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM.  PEOPLE IN MOBILE HOMES SHOULD GO
TO A STORM SHELTER.
 
DRB
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 1:44 PM CDTSevere Thunderstorm WarningMPXSaint Croix46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm warning 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.