Alert archive / South Dakota / Tornado Warnings in 2014

Tornado Warning 37, NWS Sioux Falls, SD

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

NWS Sioux Falls, SD issued this tornado warning at Jun 18, 2014, 7:25 PM CDT for Beadle County, Jerauld County, South Dakota. It was in force for 50 min. 5 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, 7:25 PM CDT (00:25 UTC)
Expired: Jun 18, 2014, 8:15 PM CDT
In force: 50 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

Counties Beadle County, SD, Jerauld County, SD

The radar

The Aberdeen radar (KABR), 147 km from the middle of the area, began a volume at 00:28 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

Time	Report	Where	Remark
Jun 18, 7:35 PM CDT	FUNNEL CLOUD	Wessington Springs, SD
Jun 18, 7:45 PM CDT	TORNADO	W Wessington Springs, SD	POWER FLASHES
Jun 18, 7:47 PM CDT	TORNADO	Wessington Springs, SD	WENT THROUGH TOWN
Jun 18, 7:47 PM CDT	TORNADO	Wessington Springs, SD	WENT THROUGH TOWN-BUILDINGS DAMAGED
Jun 18, 8:11 PM CDT	TORNADO	2 Sw Alpena, 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.

Issued	Product	Office	Lasted
Jun 18, 6:23 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.4 hours before the alert went out and 87 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

138 
WFUS53 KFSD 190025
TORFSD
SDC005-073-190115-
/O.NEW.KFSD.TO.W.0037.140619T0025Z-140619T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
725 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...
  CENTRAL JERAULD COUNTY IN CENTRAL SOUTH DAKOTA...

* UNTIL 815 PM CDT

* AT 724 PM CDT...A CONFIRMED TORNADO WAS LOCATED 7 MILES SOUTHWEST
  OF WESSINGTON SPRINGS...AND MOVING NORTHEAST AT 15 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...
  WESSINGTON SPRINGS AROUND 750 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 4417 9837 4394 9854 4394 9890 4420 9880
      4421 9871 4423 9871 4426 9868
TIME...MOT...LOC 0025Z 220DEG 13KT 4402 9868

TORNADO...OBSERVED
HAIL...1.00IN

$$

HANKO

3 follow-up statements

337 
WWUS53 KFSD 190039
SVSFSD

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

SDC005-073-190115-
/O.CON.KFSD.TO.W.0037.000000T0000Z-140619T0115Z/
JERAULD SD-BEADLE SD-
739 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN BEADLE AND
CENTRAL JERAULD COUNTIES UNTIL 815 PM CDT...

AT 737 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR WESSINGTON SPRINGS...AND MOVING NORTHEAST AT 20 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD. AT 735 PM CDT A 
FUNNEL CLOUD WAS REPORTED IN WESSINGTON SPRINGS.

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 AFFECT MAINLY RURAL AREAS OF CENTRAL
JERAULD AND SOUTHWESTERN BEADLE COUNTIES.

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 4417 9837 4394 9854 4402 9884 4420 9880
      4421 9871 4423 9871 4426 9868
TIME...MOT...LOC 0039Z 210DEG 18KT 4408 9858

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

$$

HANKO

278 
WWUS53 KFSD 190046
SVSFSD

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

SDC005-073-190115-
/O.CON.KFSD.TO.W.0037.000000T0000Z-140619T0115Z/
JERAULD SD-BEADLE SD-
746 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN BEADLE AND
CENTRAL JERAULD COUNTIES UNTIL 815 PM CDT...

AT 743 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR WESSINGTON
SPRINGS...AND MOVING NORTHEAST AT 20 MPH.

HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 744 PM CDT A TORNADO 
WAS REPORTED ON THE GROUND ONE HALF MILE WEST OF WESSINGTING SPRINGS.

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.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHWESTERN BEADLE AND NORTHERN
  JERAULD COUNTIES.

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 4417 9837 4394 9854 4402 9884 4420 9880
      4421 9871 4423 9871 4426 9868
TIME...MOT...LOC 0046Z 210DEG 18KT 4412 9858

TORNADO...OBSERVED
HAIL...1.00IN

$$

HANKO

457 
WWUS53 KFSD 190052
SVSFSD

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

SDC005-073-190115-
/O.CON.KFSD.TO.W.0037.000000T0000Z-140619T0115Z/
JERAULD SD-BEADLE SD-
752 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN BEADLE AND
CENTRAL JERAULD COUNTIES UNTIL 815 PM CDT...

AT 749 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED NEAR WESSINGTON SPRINGS...AND MOVING NORTHEAST AT 20 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DAMAGING TORNADO.

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. AT 748 PM CDT A DAMAGING 
TORNADO WAS REPORTED IN WESSINGTON SPRINGS.

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.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHWESTERN BEADLE AND NORTHERN
  JERAULD COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4417 9837 4394 9854 4402 9884 4420 9880
      4421 9871 4423 9871 4426 9868
TIME...MOT...LOC 0052Z 210DEG 18KT 4415 9856

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

$$

HANKO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:42 PM CDT	Tornado Warning	FSD	Aurora, Beadle, Jerauld, Sanborn	48 min
Jun 18, 8:00 PM CDT	Tornado Warning Tornado observed	FSD	Beadle, Jerauld, Sanborn	45 min
Jun 18, 8:18 PM CDT	Tornado Warning	FSD	Beadle, Sanborn	42 min
Jun 18, 8:38 PM CDT	Tornado Warning	FSD	Beadle	37 min
Jun 18, 9:06 PM CDT	Tornado Warning	FSD	Beadle	24 min
Jun 19, 1:20 AM CDT	Severe Thunderstorm Warning	FSD	Clay	40 min
Jun 19, 3:28 AM CDT	Severe Thunderstorm Warning	FSD	Beadle, Kingsbury, Miner, Sanborn	47 min

Nearby

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