Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 118, NWS Twin Cities, MN

August 6, 1995McLeod County, Sibley County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 6, 1995, 11:33 PM CDT for McLeod County, Sibley County, Minnesota. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1995, 11:33 PM CDT (04:33 UTC)
Expired
Aug 7, 1995, 12:15 AM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties McLeod County, MN, Sibley County, MN

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 4.6 hours before the alert went out and 328 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, Aberdeen, SD at 00:00Z on 1995-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1584 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, Aberdeen, SD at 00:00Z on 1995-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
1584 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1275 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 070435 RRA
SVRMSP
MNC085-143-070515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1133 PM CDT SUN AUG 6 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...SOUTHERN MCLEOD COUNTY...NORTHERN SIBLEY COUNTY
 
AT 1135 PM ...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 20
MILES SOUTH OF HUTCHINSON...OR JUST SOUTH OF BROWNTON. THE THUNDERSTORM
IS MOVING TO THE EAST AT 10 MPH AND WILL MOVE THROUGH SUMTER AND NEW
AUBURN BY 1215 AM. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THISb
THUNDERSTORM.
 
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.

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 6, 8:13 PM CDT, 3 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER MINNEAPOLIS/ST PAUL MN
813 PM CDT SUN AUG 6 1995

TIME(CDT)    ...LOCATION OF EVENT... STATE  ...EVENTS/REMARKS...
             ....COUNTY LOCATION....

 700 PM     BURNSVILLE                MN   TREES AND WIRES DOWN
            DAKOTA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:03 PM CDTTornado WarningMPXCarver, McLeod57 min
Aug 6, 8:05 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley55 min
Aug 7, 3:57 AM CDTFlash Flood WarningMPXTodd3 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.