Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 181, NWS Twin Cities, MN

August 23, 1994Kandiyohi County, Meeker County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 1994, 5:14 PM CDT for Kandiyohi County, Meeker County, Minnesota. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Aug 23, 1994, 5:14 PM CDT (22:14 UTC)
Expired
Aug 23, 1994, 6:00 PM CDT
In force
46 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Kandiyohi County, MN, Meeker County, MN

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 10.2 hours before the alert went out and 287 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 232214 RRA
SVRSTC
MNC067-093-232300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
514 PM CDT TUE AUG 23 1994
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...NORTHERN KANDIYOHI COUNTY...NORTHERN MEEKER COUNTY
 
AT 510 PM RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES NORTHEAST OF
WILLMAR OR 5 MILES NORTH OF NEW LONDON MOVING TO THE EAST AT 30 MPH.
PERSONS IN THE TOWNS OF NEW LONDON...REGAL...AND EDEN VALLEY CAN EXPECT
THIS STORM.
 
REMEMBER TORNADOES CAN DEVELOP WITH THESE THUNDERSTORMS.
 
0 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  DO NOT USE THE TELEPHONE UNLESS IT IS
AN EMERGENCY.
 
MCBEATH PETERS

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

Special weather statement, Aug 23, 5:05 PM CDT, 9 minutes before
MNZ052-053-059-060-061-062-063-065-066-067-068-069-070-073-240000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
505 PM CDT TUE AUG 23 1994

...TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN MINNESOTA
UNTIL 11 PM CDT...

AT 503 PM A RAPIDLY DEVELOPING LINE OF STRONG TO SEVERE THUNDERSTORMS
EXTENDED FROM 45 MILES WEST OF ST CLOUD TO AROUND WILLMAR.  MOVEMENT OF
THIS LINE WAS TO THE EAST AT 30 MILES AN HOUR.

THESE STORMS WILL CONTINUE THEIR EASTWARD MOVEMENT REACHING THE WESTERN
SUBURBS OF THE TWIN CITIES AROUND 630 PM.  THIS IS A POTENTIALLY
DANGEROUS SITUATION WITH LARGE HAIL...DAMAGING WINDS...AND ISOLATED
TORNADOES POSSIBLE.

BE PREPARED TO MOVE TO A PLACE OF SAFETY THIS EVENING.  BOATERS ON AREA
LAKES...INCLUDING LAKE MINNETONKA...SHOULD BE PREPARED TO QUICKLY MOVE TSHORE.

STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE SEVERE
WEATHER WARNINGS.
DRB/CME
Special weather statement, Aug 23, 5:07 PM CDT, 7 minutes before
MNZ052-053-059-060-061-062-063-065-066-067-068-069-070-073-240000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
505 PM CDT TUE AUG 23 1994

...TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN MINNESOTA
UNTIL 11 PM CDT...

AT 503 PM A RAPIDLY DEVELOPING LINE OF STRONG TO SEVERE THUNDERSTORMS
EXTENDED FROM 45 MILES WEST OF ST CLOUD TO AROUND WILLMAR.  MOVEMENT OF
THIS LINE WAS TO THE EAST AT 30 MILES AN HOUR.

THESE STORMS WILL CONTINUE THEIR EASTWARD MOVEMENT REACHING THE WESTERN
SUBURBS OF THE TWIN CITIES AROUND 630 PM.  THIS IS A POTENTIALLY
DANGEROUS SITUATION WITH LARGE HAIL...DAMAGING WINDS...AND ISOLATED
TORNADOES POSSIBLE.

BE PREPARED TO MOVE TO A PLACE OF SAFETY THIS EVENING.  BOATERS ON AREA
LAKES...INCLUDING LAKE MINNETONKA...SHOULD BE PREPARED TO QUICKLY MOVE TSHORE.

STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE SEVERE
WEATHER WARNINGS.
DRB/CME

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 5:03 PM CDTSevere Thunderstorm WarningMPXStearns42 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.