Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 94, NWS Twin Cities, MN

August 26, 1993Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 26, 1993, 5:39 PM CDT for Stearns County, Minnesota. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Aug 26, 1993, 5:39 PM CDT (22:39 UTC)
Expired
Aug 26, 1993, 6:30 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Stearns County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 10.7 hours before the alert went out and 111 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 1993-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 302 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 1993-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.1939Sfc1 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
302 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
935 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
104 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 262239 RRA
SVRSTC
MNC145-262330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
539 PM CDT THU AUG 26 1993
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...STEARNS COUNTY
 
INCLUDING THE CITIES OF MELROSE...FREEPORT...ALBANY...AVON AND
HOLDINGFORD.
 
AT 530 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM LOCATED ABOUT
10 MILES SOUTHWEST OF ALBANY WHICH IS 18 MILES NORTHWEST OF ST CLOUD.
THIS STORM WAS MOVING NORTHEAST AT 30 MPH AND WILL AFFECT THE CITIES
OF MELROSE...FREEPORT AND ALBANY AROUND 545 PM
 AND AVON TO
HOLDINGFORD AROUND 615 PM.
 
 
IF OUTSIDE..FIND A STRONG BUILDING.  DO NOT SEEK SHELTER UNDER TREES.
STAY INDOORS AWAY FROM WINDOWS.  DO NOT USE ELECTRICAL APPLIANCES.
 
 
 
NNNN

Nearby

Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993

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.