Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 34, NWS Sioux Falls, SD

June 8, 1994Tripp County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 8, 1994, 7:17 PM CDT for Tripp County, South Dakota. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1994, 7:17 PM CDT (00:17 UTC)
Expired
Jun 8, 1994, 8:00 PM CDT
In force
43 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Tripp County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 0.3 hours before the alert went out and 209 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 1994-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
610 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
202 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 
WUUS1 KFSD 090018 RRA
SVRFSD
SDC123-090100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
717 PM CDT WED JUN 8 1994
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL SOUTH DAKOTA
 
   ...NORTHERN TRIPP COUNTY
 
RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 30 MILES NORTHWEST OF WINNER
IN SOUTH CENTRAL SOUTH DAKOTA. THE SEVERE STORM WAS MOVING EAST AT OVER
50 MPH AND WILL TRACK ACROSS THE COMMUNITIES OF IDEAL AND HAMILL AND
POSSIBLE DEVELOP SOUTH INTO THE WINNER AREA.
 
 
IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD GET TO A
REINFORCED SHELTER. A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS
OF 60 MPH...HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING...AND HEAVY
RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.
 
 
UMLAND

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, Jun 8, 4:17 PM CDT, 3 hours before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX CITY IA
417 PM CDT FRI JUN 8 1994

    TIME                 EVENT              LOCATION-CITY AND COUNTY

155 PM CDT             1 INCH HAIL          HORNICK IOWA...WOODBURY
                                            COUNTY.

MICHELS
Special weather statement, Jun 8, 4:49 PM CDT, 2 hours 28 minutes before
SDZ001-012-024>030-041-082350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
447 PM CDT (347 PM MDT) WED JUN 8 1994

...TORNADO WATCH NO LONGER IN EFFECT FOR EXTREME WESTERN SOUTH DAKOTA...

THUNDERSTORMS HAVE MOVED OUT OF EXTREME WESTERN SOUTH DAKOTA AS OF 430
PM CDT. THEREFORE THE TORNADO WATCH WHICH WAS IN EFFECT FOR WESTERN
SOUTH DAKOTA HAS BEEN CANCELLED FOR AREAS WEST OF A LINE FROM 55 MILES
NORTHEAST OF REDIG TO RAPID CITY AND SOUTH TO OELRICHS.

THE COMMUNITIES OF RAPID CITY..BUFFALO...STURGIS...HOT SPRINGS...
OELRICHS AND THE BLACK HILLS ARE NO LONGER INCLUDED IN THE TORNADO
WATCH.
Special weather statement, Jun 8, 4:55 PM CDT, 2 hours 22 minutes before
SDZ033-082250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
450 PM CDT TUE JUN 07 1994

...A STRONG THUNDERSTORM HAS DEVELOPED OVER CENTRAL SOUTH DAKOTA...

A STRONG THUNDERSTORMS IS EXPECTED TO MOVE INTO WESTERN STANLEY COUNTY
IN CENTRAL SOUTH DAKOTA. AT 345 PM MDT...THE STORM WAS 10 MILES NORTHWEST
OF HAYES OR 50 MILES WEST OF PIERRE MOVING SOUTHEAST AT 20 MILES AN HOUR.

VERY HEAVY RAIN...STRONG WIND...AND HAIL ARE LIKELY WITH THIS STORM.

ANYONE IN WEST CENTRAL OR NORTHWEST STANLEY COUNTY SHOULD WATCH FOR
THREATENING WEATHER. KEEP TUNED TO RADIO OR TELEVISION FOR ADDITIONAL
INFORMATION REGARDING THIS STORM.

SPRINGER
Special weather statement, Jun 8, 5:56 PM CDT, 1 hour 21 minutes before
SDZ033-045-082350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HURON SD
550 PM CDT TUE JUN 07 1994

...A STRONG THUNDERSTORM HAS DEVELOPED OVER SOUTH CENTRAL SOUTH DAKOTA...

A STRONG THUNDERSTORM OVER SOUTH CENTRAL SOUTH DAKOTA IS EXPECTED TO MOVE
INTO JONES COUNTY BY 5 PM MDT. AT 450 PM MDT...THE STORM WAS 15 MILES WIDE
FROM 10 MILES NORTHWEST TO 15 MILES SOUTHWEST OF MURDO MOVING EAST AT 35
MILES AN HOUR.

VERY HEAVY RAIN...STRONG WINDb...AND HAIL ARE LIKELY WITH THIS STORM.

ANYONE IN JONES COUNTY SHOULD WATCH FOR THREATENING WEATHER. KEEP TUNED
TO RADIO OR TELEVISION FOR ADDITIONAL INFORMATION ON THIS STORM.

THE STORM IN WESTERN STANLEY COUNTY HAD WEAKENED.

SPRINGER
Special weather statement, Jun 8, 7:11 PM CDT, 6 minutes before
SDZ001>003-012>014-024>031-041>044-090215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
711 PM CDT (611 PM MDT) WED JUN 8 1994

...TORNADO WATCH FOR WESTERN SOUTH DAKOTA HAS BEEN CANC.ELLED...

TORNADO WATCH NUMBER 356 WHICH WAS IN EFFECT FOR WESTERN SOUTH DAKOTA
HAS BEEN CANCELLED. THUNDERSTORMS HAVE MOVED OUT OF WESTERN SOUTH
DAKOTA THUS ENDING THE THREAT FOR SEVERE WEATHER.

Nearby

Severe Thunderstorm Warnings in South Dakota, 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.