Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 69, NWS Twin Cities, MN

August 29, 1992Chippewa County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 29, 1992, 5:46 PM CDT for Chippewa County, Wisconsin. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Aug 29, 1992, 5:46 PM CDT (22:46 UTC)
Expired
Aug 29, 1992, 6:15 PM CDT
In force
29 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Chippewa County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 10.8 hours before the alert went out and 184 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 1992-08-29Temperature 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 1992-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 292246
SVRMSP
WIC017-292315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
546 PM CDT SAT AUG 29 1992
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL WISCONSIN
 
   ...CHIPPEWA COUNTY
 
AT 545 PM...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHEAST OF THE
CITY OF CHIPPEWA FALLS IN CHIPPEWA COUNTY OF WEST CENTRAL WISCONSIN..15
MILES NORTHEAST OF THE CITY OF EAU CLAIRE. THIS STORM PRODUCED
DIME SIZE HAIL AT 530 PM JUST WEST OF CHIPPEWA FALLS.  TOWNS IN THE PATH
OF THIS STORM INCLUDE JIM FALLS...CADOTT...AND LAKE WISSOTA STATE PARK.
 
WHEN THUNDERSTORMS ARE OCCURRING..MOVE INSIDE A STRONG BUILDING
DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL
APPLIANCES UNLESS IN AN EMERGENCY. REMEMBER SEVERE THUNDERSTORMS
CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE OR NO WARNING.
HARRISON/KRAFT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 4:44 PM CDTSevere Thunderstorm WarningMPXPepin46 min
Aug 29, 5:15 PM CDTSevere Thunderstorm WarningMPXChippewa30 min
Aug 29, 5:59 PM CDTSevere Thunderstorm WarningMPXEau Claire31 min
Aug 29, 6:18 PM CDTSevere Thunderstorm WarningMPXClark57 min

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.