Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 85, NWS Twin Cities, MN

September 16, 1992Barron County, Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 16, 1992, 7:19 PM CDT for Barron County, Polk County, Wisconsin. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Sep 16, 1992, 7:19 PM CDT (00:19 UTC)
Expired
Sep 16, 1992, 8:15 PM CDT
In force
56 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Barron County, WI, Polk County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 0.3 hours before the alert went out and 132 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 1992-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1269 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 00:00Z on 1992-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 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
1269 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 170019
SVRMSP
WIC005-095-170115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
719 PM CDT WED SEP 16 1992
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL WISCONSIN
 
   ...BARRON COUNTY...EASTERN POLK COUNTY
 
AT 710 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE CITY OF
CLAM FALLS OR 25 MILES NORTHWEST OF RICE LAKE.
 
SOME CITIES IN THE PATH OF THE STORM ARE MCKINLEY...CUMBERLAND..
HAUGAN..AND RICE LAKE.
 
THIS THUNDERSTORM WAS MOVING EAST AT 40 MPH. LARGE HAIL IS LIKELY
WITH THIS STORM.
 
A TORdNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
RICHARDSON

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1992Every severe thunderstorm warning in 1992

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.