Alert archive / South Dakota / Tornado Warnings in 2014

Tornado Warning 38, NWS Sioux Falls, SD

June 18, 20144 counties in South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 18, 2014, 7:42 PM CDT for 4 counties in South Dakota. It was in force for 48 min. 16 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, 7:42 PM CDT (00:42 UTC)
Expired
Jun 18, 2014, 8:30 PM CDT
In force
48 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

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

The radar

The Sioux Falls radar (KFSD), 148 km from the middle of the area, began a volume at 00:43 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, 7:45 PM CDTTORNADOW Wessington Springs, SDPOWER FLASHES
Jun 18, 7:47 PM CDTTORNADOWessington Springs, SDWENT THROUGH TOWN
Jun 18, 7:47 PM CDTTORNADOWessington Springs, SDWENT THROUGH TOWN-BUILDINGS DAMAGED
Jun 18, 7:54 PM CDTFUNNEL CLOUD2 S Lane, SD
Jun 18, 7:54 PM CDTTORNADO5 Wsw Woonsocket, SD
Jun 18, 7:54 PM CDTTORNADO7 W Woonsocket, SD
Jun 18, 7:58 PM CDTTORNADO1 Sw Lane, SDLARGE MULITVORTEX TORNADO
Jun 18, 7:58 PM CDTTORNADO3 W Woonsocket, SD
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, 0.7 hours before the alert went out and 89 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.

896 
WFUS53 KFSD 190042
TORFSD
SDC003-005-073-111-190130-
/O.NEW.KFSD.TO.W.0038.140619T0042Z-140619T0130Z/

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 741 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES SOUTH OF LANE...AND MOVING NORTHEAST AT
  20 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

  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...
  LANE AROUND 800 PM CDT.
  WOONSOCKET AROUND 810 PM CDT.
  ALPENA AROUND 825 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.

&&

LAT...LON 4426 9849 4415 9812 4386 9839 4396 9869
TIME...MOT...LOC 0042Z 212DEG 17KT 4397 9847

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

HANKO
5 follow-up statements
332 
WWUS53 KFSD 190055
SVSFSD

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

SDC003-190104-
/O.CAN.KFSD.TO.W.0038.000000T0000Z-140619T0130Z/
AURORA SD-
755 PM CDT WED JUN 18 2014

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

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

LAT...LON 4396 9834 4403 9864 4426 9849 4415 9812
TIME...MOT...LOC 0054Z 194DEG 20KT 4405 9842

$$

SDC005-073-111-190130-
/O.CON.KFSD.TO.W.0038.000000T0000Z-140619T0130Z/
SANBORN SD-JERAULD SD-BEADLE SD-
755 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL BEADLE...
EASTERN JERAULD AND NORTHWESTERN SANBORN COUNTIES UNTIL 830 PM CDT...

AT 752 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LANE...AND MOVING NORTH AT 25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD. AT 754 PM CDT A 
FUNNEL CLOUD WAS REPORTED 2 MILES SOUTH OF LANE.

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...
  ALPENA AROUND 820 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.

&&

LAT...LON 4396 9834 4403 9864 4426 9849 4415 9812
TIME...MOT...LOC 0054Z 194DEG 20KT 4405 9842

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

HANKO
287 
WWUS53 KFSD 190056
SVSFSD

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

SDC005-073-111-190130-
/O.CON.KFSD.TO.W.0038.000000T0000Z-140619T0130Z/
SANBORN SD-JERAULD SD-BEADLE SD-
756 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL BEADLE...
EASTERN JERAULD AND NORTHWESTERN SANBORN COUNTIES UNTIL 830 PM CDT...

AT 753 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR LANE...AND
MOVING NORTH AT 25 MPH.

HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 755 PM CDT A TORNADO 
WAS REPORTED 7 MILES WEST OF WOONSOCKET.

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...
  ALPENA AROUND 820 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 4396 9834 4403 9864 4426 9849 4415 9812
TIME...MOT...LOC 0056Z 194DEG 20KT 4406 9842

TORNADO...OBSERVED
HAIL...1.00IN

$$

HANKO
762 
WWUS53 KFSD 190102
SVSFSD

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

SDC005-073-111-190130-
/O.CON.KFSD.TO.W.0038.000000T0000Z-140619T0130Z/
SANBORN SD-JERAULD SD-BEADLE SD-
802 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL BEADLE...
EASTERN JERAULD AND NORTHWESTERN SANBORN COUNTIES UNTIL 830 PM CDT...

AT 800 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR LANE...AND
MOVING NORTHEAST AT 25 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.

THIS TORNADIC STORM WILL BE NEAR...
  ALPENA AROUND 815 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 4396 9834 4403 9864 4426 9849 4415 9812
TIME...MOT...LOC 0103Z 205DEG 23KT 4410 9839

TORNADO...OBSERVED
HAIL...1.00IN

$$

HANKO
385 
WWUS53 KFSD 190107
SVSFSD

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

SDC005-073-111-190130-
/O.CON.KFSD.TO.W.0038.000000T0000Z-140619T0130Z/
SANBORN SD-JERAULD SD-BEADLE SD-
807 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL BEADLE...
EASTERN JERAULD AND NORTHWESTERN SANBORN COUNTIES UNTIL 830 PM CDT...

AT 805 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED NEAR LANE...AND MOVING NORTH AT 30 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DAMAGING TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS WILL
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL
         BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...BUSINESSES AND
         VEHICLES IS LIKELY AND COMPLETE DESTRUCTION POSSIBLE.

THE TORNADO WILL BE NEAR...
  ALPENA AROUND 815 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4396 9834 4403 9864 4426 9849 4415 9812
TIME...MOT...LOC 0107Z 184DEG 25KT 4413 9840

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

HANKO
863 
WWUS53 KFSD 190111
SVSFSD

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

SDC005-073-111-190130-
/O.CON.KFSD.TO.W.0038.000000T0000Z-140619T0130Z/
SANBORN SD-JERAULD SD-BEADLE SD-
811 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL BEADLE...
NORTHEASTERN JERAULD AND NORTHWESTERN SANBORN COUNTIES UNTIL 830 PM
CDT...

AT 809 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED NEAR ALPENA...AND MOVING NORTH AT 30 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DAMAGING TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 807 PM CDT A 
DAMAGING TORNADO AND WALNUT SIZED HAIL WAS REPORTED 3 MILES 
NORTHEAST OF LANE.

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS WILL
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL
         BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...BUSINESSES AND
         VEHICLES IS LIKELY AND COMPLETE DESTRUCTION POSSIBLE.

THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN JERAULD...
NORTHWESTERN SANBORN AND SOUTH CENTRAL BEADLE COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4402 9828 4411 9859 4426 9849 4415 9812
TIME...MOT...LOC 0111Z 190DEG 25KT 4416 9839

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
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, 8:00 PM CDTTornado Warning Tornado observedFSDBeadle, Jerauld, Sanborn45 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.