Alert archive / South Dakota / Tornado Warnings in 2014

Tornado Warning 39, NWS Sioux Falls, SD

June 18, 2014Beadle County, Jerauld County, Sanborn County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 18, 2014, 8:00 PM CDT for Beadle County, Jerauld County, Sanborn County, South Dakota. It was in force for 45 min. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 18, 2014, 8:00 PM CDT (01:00 UTC)
Expired
Jun 18, 2014, 8:45 PM CDT
In force
45 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Beadle County, SD, Jerauld County, SD, Sanborn County, SD

The radar

The Aberdeen radar (KABR), 131 km from the middle of the area, began a volume at 01:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 18, 8:01 PM CDTTORNADO2 N Lane, SD
Jun 18, 8:02 PM CDTTORNADO1 Nne Lane, SD2 TORNADOES- WIDTH IS EXPANDING ON MAIN CONE.
Jun 18, 8:07 PM CDTTORNADO2 Ne Lane, SDWALNUT SIZED HAIL AS WELL
Jun 18, 8:09 PM CDTTORNADO3 Ne Lane, SDPOWERLINE DOWN, TREES SNAPPED, AND BARK STRIPPED FROM TREES
Jun 18, 8:11 PM CDTTORNADO2 Sw Alpena, SD
Jun 18, 8:17 PM CDTTORNADO2 S Alpena, SDLARGE STOVE PIPE RAIN WRAPPED TORNADO MOVING NORTH
Jun 18, 8:25 PM CDTFUNNEL CLOUD1 W Alpena, SDROPE TORNADO...NEW CIRCULATION DEVELOPING NEAR ALPENA
Jun 18, 8:27 PM CDTTORNADOAlpena, SD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 18, 6:23 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.0 hours before the alert went out and 69 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 2014-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1475 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2014-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 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
1475 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1398 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.7
Supercell composite
7.6

Open this sounding in Storm Lab

The text

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

118 
WFUS53 KFSD 190100
TORFSD
SDC005-073-111-190145-
/O.NEW.KFSD.TO.W.0039.140619T0100Z-140619T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
800 PM CDT WED JUN 18 2014

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN BEADLE COUNTY IN EAST CENTRAL SOUTH DAKOTA...
  NORTHEASTERN JERAULD COUNTY IN CENTRAL SOUTH DAKOTA...
  NORTHWESTERN SANBORN COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 845 PM CDT

* AT 758 PM CDT...A CONFIRMED TORNADO WAS LOCATED 6 MILES NORTH OF
  WESSINGTON SPRINGS...AND MOVING NORTHEAST AT 20 MPH.

  HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THE TORNADO WILL BE NEAR...
  ALPENA AROUND 815 PM CDT.
  VIRGIL AROUND 830 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

&&

LAT...LON 4445 9858 4430 9814 4404 9837 4416 9871
TIME...MOT...LOC 0100Z 220DEG 17KT 4418 9853

TORNADO...OBSERVED
HAIL...1.00IN

$$

HANKO
2 follow-up statements
298 
WWUS53 KFSD 190114
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
814 PM CDT WED JUN 18 2014

SDC073-190124-
/O.CAN.KFSD.TO.W.0039.000000T0000Z-140619T0145Z/
JERAULD SD-
814 PM CDT WED JUN 18 2014

...THE TORNADO WARNING FOR NORTHEASTERN JERAULD COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4430 9814 4422 9820 4414 9828 4416 9833
      4420 9833 4419 9844 4426 9862 4445 9858
TIME...MOT...LOC 0114Z 195DEG 22KT 4428 9852

$$

SDC005-111-190145-
/O.CON.KFSD.TO.W.0039.000000T0000Z-140619T0145Z/
SANBORN SD-BEADLE SD-
814 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL BEADLE AND
NORTHWESTERN SANBORN COUNTIES UNTIL 845 PM CDT...

AT 811 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES SOUTHWEST OF VIRGIL...AND MOVING NORTH AT 25 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  VIRGIL AROUND 820 PM CDT.
  WOLSEY AROUND 835 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

&&

LAT...LON 4430 9814 4422 9820 4414 9828 4416 9833
      4420 9833 4419 9844 4426 9862 4445 9858
TIME...MOT...LOC 0114Z 195DEG 22KT 4428 9852

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

HANKO
163 
WWUS53 KFSD 190127
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
827 PM CDT WED JUN 18 2014

SDC005-111-190145-
/O.CON.KFSD.TO.W.0039.000000T0000Z-140619T0145Z/
SANBORN SD-BEADLE SD-
827 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL BEADLE AND
NORTHWESTERN SANBORN COUNTIES UNTIL 845 PM CDT...

AT 825 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR ALPENA...AND
MOVING NORTHEAST AT 15 MPH.

HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 827 PM CDT ON THE 
WEST SIDE OF ALPENA.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS TORNADIC STORM WILL BE NEAR...
  VIRGIL AROUND 840 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4430 9814 4422 9820 4414 9828 4416 9833
      4420 9833 4419 9842 4420 9844 4424 9844
      4440 9842
TIME...MOT...LOC 0127Z 212DEG 12KT 4421 9836

TORNADO...OBSERVED
HAIL...1.50IN

$$

HANKO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:25 PM CDTTornado Warning Tornado observedFSDBeadle, Jerauld50 min
Jun 18, 7:42 PM CDTTornado WarningFSDAurora, Beadle, Jerauld, Sanborn48 min
Jun 18, 8:18 PM CDTTornado WarningFSDBeadle, Sanborn42 min
Jun 18, 8:38 PM CDTTornado WarningFSDBeadle37 min
Jun 18, 9:06 PM CDTTornado WarningFSDBeadle24 min
Jun 19, 1:20 AM CDTSevere Thunderstorm WarningFSDClay40 min
Jun 19, 3:28 AM CDTSevere Thunderstorm WarningFSDBeadle, Kingsbury, Miner, Sanborn47 min

Nearby

Tornado Warnings in South Dakota, 2014Every tornado warning in 2014Tornadoes in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.