Alert archive / South Dakota / Tornado Warnings in 1994

Tornado Warning 9, NWS Aberdeen, SD

June 7, 1994Stanley County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 7, 1994, 6:55 PM MDT for Stanley County, South Dakota. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1994, 6:55 PM MDT (00:55 UTC)
Expired
Jun 7, 1994, 7:30 PM MDT
In force
35 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Stanley County, SD

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 0.9 hours before the alert went out and 175 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, Rapid City, SD at 00:00Z on 1994-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 537 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, Rapid City, SD at 00:00Z on 1994-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
537 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1592 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHON 080055
TORHON
SDC117-080130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE HURON SD 
755 PM CDT TUE JUN 7 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE CENTRAL PART OF SOUTH DAKOTA
      NORTHWEST AND WEST CENTRAL STANLEY

AT 650 PM MDT  A TORNADO WAS REPORTED 15 MILES WEST OF HAYES.

 THIS TORNADO IS EXPECTED TO REACH HAYES AROUND 715 PM MDT/815 PM
CDT.

IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A BASEMENT
SHELTER IF AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE. ABANDON CARS AND MOBILE HOMES INX FAVOR OF A
REINFORCED BUILDING.

 SPRINGER

What forecasters said that day

The local office's own words before this tornado 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, Jun 7, 2:25 PM MDT, 4 hours 30 minutes before
SDZ003>011-015>018-072130-

SPECIAL WEATHER STATEMENT...AREA CORRECTION...
NATIONAL WEATHER SERVICE ABERDEEN SD
320 PM CDT TUE JUN 7 1994

...THUNDERSTORMS STARTING TO RUMBLE OVER THE NORTHCENTRAL...
Special weather statement, Jun 7, 2:30 PM MDT, 4 hours 25 minutes before
SDZ003>011-015>018-072130-

SPECIAL WEATHER STATEMENT...AREA CORRECTION...
NATIONAL WEATHER SERVICE ABERDEEN SD
320 PM CDT TUE JUN 7 1994

...THUNDERSTORMS STARTING TO RUMBLE OVER THE NORTHCENTRAL...

THUNDERSTORMS HAVE DEVELOPED OVER THE NORTHCENTRAL REGION NEAR
EAGLE BUTTE AND GREEN GRASS. THESE STORMS WERE MOVING NORTHEAST AND
SHOULD BE IN THE TRAIL CITY...MOBRIDGE AND MCLAUGHLIN AREA BY 3 PM
MDT.

ADDITIONAL THUNDERSTORM ACTIVITY IS EXPECTED TO MOVE INTO THE NORTHCENTRAL
REGION OVER THE NEXT COUPLE OF HOURS WITH PERIODS OF HEAVY RAIN...SMALL
HAIL AND GUSTY WINDS.

PEOPLE IN NORTHCENTRAL SOUTH DAKOTA SHOULD KEEP AN EYE TO THE SKY AND BE
PREPARED TO TAKE SHELTER WITH THESE AND OTHER ADDITIONAL STORMS.

STUDNICKA
Special weather statement, Jun 7, 4:17 PM MDT, 2 hours 38 minutes before
SDZ003>011-015>018-080030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
517 PM CDT TUE JUN 7 1994

...THUNDERSTORMS RUMBLING IN NORTHCENTRAL SOUTH DAKOTA...

SCATTERED THUNDERSTORMS CONTINUE OVER NORTHCENTRAL SOUTH DAKOTA. THE
THUNDERSTORMS WERE FROM 40 MILES NORTHEAST OF MOBRODGE NEAR ARTAS
TO NEAR ISABEL...25 MILES NORTHEAST OF DUPREE. THESE STORMS WERE MOVING
NORTHEAST AT 25 MILES AN HOUR.

ADDITIONAL THUNDERSTORM ACTIVITY IS EXPECTED TO MOVE INTO THE NORTHCENTRAL
REGION OVER THE NEXT COUPLE OF HOURS WITH PERIODS OF HEAVY RAIN...SMALL
HAIL AND GUSTY WINDS.

PEOPLE IN NORTHCENTRAL SOUTH DAKOTA SHOULD KEEP AN EYE TO THE SKY AND BE
PREPARED TO TAKE SHELTER IF WEATHER THREATENS.

GILLESPIE
Special weather statement, Jun 7, 4:18 PM MDT, 2 hours 37 minutes before
SDZ003>011-015>018-080030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
517 PM CDT TUE JUN 7 1994

...THUNDERSTORMS RUMBLING IN NORTHCENTRAL SOUTH DAKOTA...

SCATTERED THUNDERSTORMS CONTINUE OVER NORTHCENTRAL SOUTH DAKOTA. THE
THUNDERSTORMS WERE FROM 40 MILES NORTHEAST OF MOBRODGE NEAR ARTAS
TO NEAR ISABEL...25 MILES NORTHEAST OF DUPREE. THESE STORMS WERE MOVING
NORTHEAST AT 25 MILES AN HOUR.

ADDITIONAL THUNDERSTORM ACTIVITY IS EXPECTED TO MOVE INTO THE NORTHCENTRAL
REGION OVER THE NEXT COUPLE OF HOURS WITH PERIODS OF HEAVY RAIN...SMALL
HAIL AND GUSTY WINDS.

PEOPLE IN NORTHCENTRAL SOUTH DAKOTA SHOULD KEEP AN EYE TO THE SKY AND BE
PREPARED TO TAKE SHELTER IF WEATHER THREATENS.

GILLESPIE
Special weather statement, Jun 7, 6:15 PM MDT, 40 minutes before
SDZ003>011-015>018-080230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
715 PM CDT TUE JUN 7 1994

...THUNDERSTORMS IN NORTHCENTRAL SOUTH DAKOTA...

AT 715 PM CDT...A STRONG THUNDERSTORM WITH POSSIBLE HAIL...HEAVY RAIN
AND STRONG WINDS WAS MOVING INTO SOUTHWEST DEWEY COUNTY...25 MILES
SOUTHEAST OF DUPREE. THIS THUNDERSTORM HAS A HISTORY OF SEVERE WEATHER
AND IS MOVING SOUTHEAST AT 25 MILES AN HOUR.

RESIDENTS OF SOUTHERN DEWEY COUNTY AND THOSE PEOPLE FISHING OR BOATING
ON LAKE OAHE ADJACENT TO SOUTHERN DEWEY COUNTY NEED TO BE AWARE OF THIS
STRONG STORM. SEEK SAFE SHELTER IF WEATHER THREATENS.

GILLESPIE
Special weather statement, Jun 7, 6:15 PM MDT, 40 minutes before
SDZ003>011-015>018-080230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
715 PM CDT TUE JUN 7 1994

...THUNDERSTORMS IN NORTHCENTRAL SOUTH DAKOTA...

AT 715 PM CDT...A STRONG THUNDERSTORM WITH POSSIBLE HAIL...HEAVY RAIN
AND STRONG WINDS WAS MOVING INTO SOUTHWEST DEWEY COUNTY...25 MILES
SOUTHEAST OF DUPREE. THIS THUNDERSTORM HAS A HISTORY OF SEVERE WEATHER
AND IS MOVING SOUTHEAST AT 25 MILES AN HOUR.

RESIDENTS OF SOUTHERN DEWEY COUNTY AND THOSE PEOPLE FISHING OR BOATING
ON LAKE OAHE ADJACENT TO SOUTHERN DEWEY COUNTY NEED TO BE AWARE OF THIS
STRONG STORM. SEEK SAFE SHELTER IF WEATHER THREATENS.

GILLESPIE

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 6:34 PM MDTSevere Thunderstorm WarningABRStanley56 min
Jun 8, 5:13 PM MDTSevere Thunderstorm WarningABRJones, Lyman62 min
Jun 8, 5:56 PM MDTSevere Thunderstorm WarningABRLyman64 min

Nearby

Tornado Warnings in South Dakota, 1994Every tornado warning in 1994Tornadoes 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.