Alert archive / South Dakota / Tornado Warnings in 1994

Tornado Warning 10, NWS Aberdeen, SD

June 12, 1994Beadle County, Hand County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 12, 1994, 4:08 PM CDT for Beadle County, Hand County, South Dakota. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1994, 4:08 PM CDT (21:08 UTC)
Expired
Jun 12, 1994, 5:00 PM CDT
In force
52 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Beadle County, SD, Hand County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 9.1 hours before the alert went out and 50 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 1994-06-12Temperature 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 12:00Z on 1994-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1741 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
147 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 KHON 122108
TORHON
SDC005-059-122200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE HURON SD 
408 PM CDT SUN JUN 12 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF SOUTH DAKOTA
      WESTERN BEADLE...

   IN THE CENTRAL PART OF SOUTH DAKOTA
      EASTERN HAND...

AT 405 PM CDT  RADAR INDICATED A POSSIBLE TORNADO 10 MILES SOUTH OF
MILLER SOUTH DAKOTA MOVING EAST AT 30 MILES AN HOUR.

 THIS STORM SHOULD BE NEAR WESSINGTON BY 445 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 IN FAVOR OF A
REINFORCED BUILDING.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH...
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

 SOLOMON

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 12, 4:00 PM CDT, 8 minutes before
SDZ003->011-015>018-122300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
400 PM CDT SUN JUN 12 1994

...TORNADO WATCH FOR A SMALL PORTION OF NORTHEAST SOUTH DAKOTA UNTIL
   10 PM CDT TONIGHT...

DEVELOPING THUNDERSTORMS EAST OF THE MISSOURI RIVER IN CENTRAL SOUTH DAKOTA
CONTINUE TO MOVE EASTWARD AT 30 MILES AN HOUR. PERIODS OF VERY HEAVY RAIN
AND STRONG SURFACE WINDS CAN BE EXPECTED ALONG WITH SOME LARGE HAIL. OTHER
SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE ACROSS NORTHEAST SOUTH DAKOTA FROM
EAST OF THE MISSOURI RIVER TO THE MINNESOTA STATE LINE.

AT PRESENT...ONLY SPINK COUNTY IS WITHIN THE TORNADO WATCH AREA IN NORTHEAST
SOUTH DAKOTA. REMEMBER...SEVERE THUNDERSTORMS CAN POP UP RAPIDLY IN AND NEAR
A WATCH AREA, SO PERSONS ACROSS NORTHEAST AND NORTHCENTRAL SOUTH DAKOTA ARE
REMINDED TO STAY TUNED FOR FURTHER UPDATES AS THEY BECOME AVAILIABLE OVER T.V.
AND RADIO ALONG WITH NOAA WEATHER RADIO.
 STUDNICKA
Special weather statement, Jun 12, 4:00 PM CDT, 8 minutes before
SDZ003->011-015>018-122300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
400 PM CDT SUN JUN 12 1994

...TORNADO WATCH FOR A SMALL PORTION OF NORTHEAST SOUTH DAKOTA UNTIL
   10 PM CDT TONIGHT...

DEVELOPING THUNDERSTORMS EAST OF THE MISSOURI RIVER IN CENTRAL SOUTH DAKOTA
CONTINUE TO MOVE EASTWARD AT 30 MILES AN HOUR. PERIODS OF VERY HEAVY RAIN
AND STRONG SURFACE WINDS CAN BE EXPECTED ALONG WITH SOME LARGE HAIL. OTHER
SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE ACROSS NORTHEAST SOUTH DAKOTA FROM
EAST OF THE MISSOURI RIVER TO THE MINNESOTA STATE LINE.

AT PRESENT...ONLY SPINK COUNTY IS WITHIN THE TORNADO WATCH AREA IN NORTHEAST
SOUTH DAKOTA. REMEMBER...SEVERE THUNDERSTORMS CAN POP UP RAPIDLY IN AND NEAR
A WATCH AREA, SO PERSONS ACROSS NORTHEAST AND NORTHCENTRAL SOUTH DAKOTA ARE
REMINDED TO STAY TUNED FOR FURTHER UPDATES AS THEY BECOME AVAILIABLE OVER T.V.
AND RADIO ALONG WITH NOAA WEATHER RADIO.
 STUDNICKA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 5:06 PM CDTSevere Thunderstorm WarningABRHamlin44 min
Jun 12, 5:25 PM CDTSevere Thunderstorm WarningABRBeadle, Sanborn35 min
Jun 12, 5:57 PM CDTSevere Thunderstorm WarningABRMiner33 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.