Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 133, NWS Twin Cities, MN

August 12, 1995Chippewa County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 12, 1995, 9:56 AM CDT for Chippewa County, Wisconsin. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Aug 12, 1995, 9:56 AM CDT (14:56 UTC)
Expired
Aug 12, 1995, 10:30 AM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Chippewa County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 2.9 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 1995-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2732 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 1995-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
2732 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
711 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 121457 RRA
SVRMSP
WIC017-121530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
956 AM CDT SAT AUG 12 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL WISCONSIN
 
   ...EASTERN CHIPPEWA COUNTY...
 
AT 955 AM...A SEVERE THUNDERSTORM WAS LOCATED JUST EAST OF CHIPPEWA
FALLS. THE THUNDERSTORM IS MOVING EAST AT 30 MPH AND WILL AFFECT
LAKE WISSOTA STATE PARK...BATEMAN...CADOTT. THIS THUNDERSTORM PRODUCED
QUARTER SIZE HAIL AS IT MOVED THROUGH CHIPPEWA FALLS AT 950 AM.
 
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.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 9:32 PM CDTSevere Thunderstorm WarningMPXSaint Croix58 min
Aug 12, 5:32 AM CDTSevere Thunderstorm WarningMPXDunn58 min
Aug 12, 5:32 AM CDTSevere Thunderstorm WarningMPXSaint Croix30 min
Aug 12, 9:20 AM CDTSevere Thunderstorm WarningMPXChippewa, Dunn40 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1995Every severe thunderstorm warning in 1995

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.