Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 180, NWS Twin Cities, MN

August 23, 1994Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 1994, 5:03 PM CDT for Stearns County, Minnesota. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 23, 1994, 5:03 PM CDT (22:03 UTC)
Expired
Aug 23, 1994, 5:45 PM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Stearns County, MN

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 10.1 hours before the alert went out and 305 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 12:00Z on 1994-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 12:00Z on 1994-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 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
82 J/kg
Mixed-layer CIN
-829 J/kg
Mixed-layer LCL
1515 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTC 232203 RRA
SVRSTC
MNC145-232245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
503 PM CDT TUE AUG 23 1994
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...WESTERN STEARNS COUNTY
 
AT 5 PM RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF SAUK
CENTRE MOVING TO THE EAST AT 25 MPH. PERSONS IN THE TOWNS OF SAUK
CENTRE...MELROSE...FREEPORT AND ALBANY CAN EXPECT THIS STORM BY 530 PM.
 
 
IF YOU OUTSIDE IN THE OPEN...YOU SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAZY AWAY FROM WINDOWS.
DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE UNLESS IT IS
AN EMERGENCY.
 
MCBEATH PETERS
 
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 5:14 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker46 min
Aug 23, 5:54 PM CDTSevere Thunderstorm WarningMPXWright45 min
Aug 23, 6:49 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin41 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1994Every severe thunderstorm warning in 1994

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.