Alert archive / South Dakota / Tornado Warnings in 2014

Tornado Warning 41, NWS Sioux Falls, SD

June 18, 2014Beadle County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 18, 2014, 8:38 PM CDT for Beadle County, South Dakota. It was in force for 37 min. 1 report 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, 8:38 PM CDT (01:38 UTC)
Expired: Jun 18, 2014, 9:15 PM CDT
In force: 37 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Beadle County, SD

The radar

The Aberdeen radar (KABR), 126 km from the middle of the area, began a volume at 01:41 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, 9:00 PM CDT	FUNNEL CLOUD	6 W Huron, 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, 1.6 hours before the alert went out and 65 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.

238 
WFUS53 KFSD 190138
TORFSD
SDC005-190215-
/O.NEW.KFSD.TO.W.0041.140619T0138Z-140619T0215Z/

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BEADLE COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 915 PM CDT

* AT 835 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR ALPENA...AND MOVING NORTHEAST AT 20 MPH.

  HAZARD...TORNADO AND QUARTER 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...
  HURON AROUND 910 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4440 9801 4419 9824 4420 9833 4425 9847
      4452 9830
TIME...MOT...LOC 0138Z 210DEG 16KT 4426 9833

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

$$

HANKO

3 follow-up statements

848 
WWUS53 KFSD 190142
SVSFSD

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

SDC005-190215-
/O.CON.KFSD.TO.W.0041.000000T0000Z-140619T0215Z/
BEADLE SD-
842 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BEADLE COUNTY
UNTIL 915 PM CDT...

AT 839 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR VIRGIL...AND MOVING NORTHEAST AT 20 MPH.

HAZARD...TORNADO AND QUARTER 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...
  HURON AROUND 905 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4420 9823 4423 9832 4429 9843 4452 9830
      4440 9801
TIME...MOT...LOC 0142Z 210DEG 16KT 4429 9834

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

$$

HANKO

578 
WWUS53 KFSD 190149
SVSFSD

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

SDC005-190215-
/O.CON.KFSD.TO.W.0041.000000T0000Z-140619T0215Z/
BEADLE SD-
849 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BEADLE COUNTY
UNTIL 915 PM CDT...

AT 846 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES NORTHEAST OF VIRGIL...AND MOVING NORTHEAST AT 20
MPH.

HAZARD...TORNADO AND QUARTER 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...
  HURON AROUND 900 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4425 9818 4428 9826 4434 9840 4452 9830
      4440 9801
TIME...MOT...LOC 0149Z 210DEG 16KT 4433 9831

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

$$

HANKO

595 
WWUS53 KFSD 190200
SVSFSD

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

SDC005-190215-
/O.CON.KFSD.TO.W.0041.000000T0000Z-140619T0215Z/
BEADLE SD-
900 PM CDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BEADLE COUNTY
UNTIL 915 PM CDT...

AT 857 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HURON...AND MOVING NORTHEAST AT 20 MPH.

HAZARD...TORNADO AND QUARTER 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 AFFECT MAINLY RURAL AREAS OF CENTRAL BEADLE
COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4430 9813 4434 9826 4439 9837 4452 9830
      4440 9801
TIME...MOT...LOC 0200Z 210DEG 16KT 4439 9825

TORNADO...RADAR INDICATED
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, 7:25 PM CDT	Tornado Warning Tornado observed	FSD	Beadle, Jerauld	50 min
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, 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.