Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 132, NWS Twin Cities, MN

August 12, 1995Chippewa County, Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 12, 1995, 9:20 AM CDT for Chippewa County, Dunn County, Wisconsin. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Aug 12, 1995, 9:20 AM CDT (14:20 UTC)
Expired
Aug 12, 1995, 10:00 AM CDT
In force
40 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Chippewa County, WI, Dunn County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 2.3 hours before the alert went out and 159 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 121421 RRA
SVRMSP
WIC017-033-121500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
920 AM CDT SAT AUG 12 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL WISCONSIN
 
   ...CHIPPEWA COUNTY...EASTERN DUNN COUNTY
 
AT 920 AM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 15
MILES WEST OF CHIPPEWA FALLS...NEAR COLFAX. THE THUNDERSTORM IS MOVING
EAST AT 30 MPH AND WILL AFFECT COLFAX...CHIPPEWA FALLS...AND LAKE
WISSOTA STATE PARK.
 
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.
 
KRC

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 12, 9:10 AM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
910 AM CDT SAT AUG 12 1995

TIME(CDT)  .....LOCATION.....      STATE  ...EVENT/REMARKS...

0400 AM    35 NE MSP                 WI   1.75 INCH DIAMETER HAIL
08/12/95   POLK                           QUARTER TO GOLFBALL SIZE HAIL
                                          BETWEEN OSCEOLA AND DRESSER.
                                          NUMEROUS CROPS. LATE REPORT.

0400 AM    35 NE MSP                 WI   WIND DAMAGE
08/12/95   POLK                           TWO MOBILE HOMES DAMAGED.
                                          NUMEROUS TREES DOWN. HAYWAGON
                                          OVERTURNED. BETWEEN OSCEOLA
                                          AND DRESSER. LATE REPORT.

KRC
Local storm report, Aug 12, 9:11 AM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
910 AM CDT SAT AUG 12 1995

TIME(CDT)  .....LOCATION.....      STATE  ...EVENT/REMARKS...

0400 AM    35 NE MSP                 WI   1.75 INCH DIAMETER HAIL
08/12/95   POLK                           QUARTER TO GOLFBALL SIZE HAIL
                                          BETWEEN OSCEOLA AND DRESSER.
                                          NUMEROUS CROPS. LATE REPORT.

0400 AM    35 NE MSP                 WI   WIND DAMAGE
08/12/95   POLK                           TWO MOBILE HOMES DAMAGED.
                                          NUMEROUS TREES DOWN. HAYWAGON
                                          OVERTURNED. BETWEEN OSCEOLA
                                          AND DRESSER. LATE REPORT.

KRC

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, 9:56 AM CDTSevere Thunderstorm WarningMPXChippewa34 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.