Alert archive / South Dakota / Tornado Warnings in 2022

Tornado Warning 32, NWS Sioux Falls, SD

June 20, 2022Beadle County, Kingsbury County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 20, 2022, 9:39 PM CDT for Beadle County, Kingsbury County, South Dakota. It was in force for 21 min. 3 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 20, 2022, 9:39 PM CDT (02:39 UTC)
Expired: Jun 20, 2022, 10:00 PM CDT
In force: 21 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Observed
Hail: 1.5 in

Counties Beadle County, SD, Kingsbury County, SD

The radar

The Aberdeen radar (KABR), 119 km from the middle of the area, began a volume at 02:39 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 20, 9:44 PM CDT	TORNADO	6 E Bancroft, SD	A TRAINED SPOTTER SAW A BRIEF TOUCHDOWN IN AN OPEN FARM FIELD.
Jun 20, 9:50 PM CDT	TSTM WND DMG	8 W Erwin, SD	SEVERAL LARGE BRANCHES DOWN AND DAMAGE TO OUTBUILDINGS.
Jun 20, 9:53 PM CDT	TSTM WND DMG	6 Wnw Erwin, SD	4 TREES SNAPPED AND 2 DOORS BLOWN OFF OUTBUILDINGS.

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 20, 3:36 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.7 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-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: 1239 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 1359 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 271 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 9.8

Open this sounding in Storm Lab

The text

As transmitted.

913 
WFUS53 KFSD 210239
TORFSD
SDC005-077-210300-
/O.NEW.KFSD.TO.W.0032.220621T0239Z-220621T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
939 PM CDT Mon Jun 20 2022

The National Weather Service in Sioux Falls has issued a

* Tornado Warning for...
  Northwestern Kingsbury County in east central South Dakota...
  Eastern Beadle County in east central South Dakota...

* Until 1000 PM CDT.

* At 938 PM CDT, a confirmed tornado was located 4 miles north and 1 
  mile west of Iroquois, or 19 miles northwest of Lake Thompson 
  State Recreation Area, moving northeast at 45 mph.

  HAZARD...Damaging tornado and ping pong ball size hail.

  SOURCE...Law enforcement 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 thunderstorm will remain over mainly rural areas of
  northwestern Kingsbury and eastern Beadle Counties, including the
  following locations... Bancroft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4454 9773 4454 9740 4439 9782 4446 9790
      4455 9779
TIME...MOT...LOC 0238Z 232DEG 39KT 4447 9778 

TORNADO...OBSERVED
MAX HAIL SIZE...1.50 IN

$$

APT

2 follow-up statements

209 
WWUS53 KFSD 210246 RRA
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
946 PM CDT Mon Jun 20 2022

SDC005-210256-
/O.CAN.KFSD.TO.W.0032.000000T0000Z-220621T0300Z/
Beadle SD-
946 PM CDT Mon Jun 20 2022

...THE TORNADO WARNING FOR EASTERN BEADLE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
east central South Dakota.

LAT...LON 4454 9773 4454 9743 4443 9773 4447 9779
      4455 9779
TIME...MOT...LOC 0246Z 237DEG 46KT 4452 9765 

$$

SDC077-210300-
/O.CON.KFSD.TO.W.0032.000000T0000Z-220621T0300Z/
Kingsbury SD-
946 PM CDT Mon Jun 20 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN KINGSBURY COUNTY...
    
At 946 PM CDT, a confirmed tornado was located 7 miles south of
Willow Lake, or 16 miles northwest of Lake Thompson State Recreation
Area, moving northeast at 55 mph.

HAZARD...Damaging tornado and ping pong ball size hail.

SOURCE...Law enforcement 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.

Locations impacted include...
Bancroft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4454 9773 4454 9743 4443 9773 4447 9779
      4455 9779
TIME...MOT...LOC 0246Z 237DEG 46KT 4452 9765 

TORNADO...OBSERVED
MAX HAIL SIZE...1.50 IN

$$

APT

129 
WWUS53 KFSD 210255
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
955 PM CDT Mon Jun 20 2022

SDC077-210305-
/O.EXP.KFSD.TO.W.0032.000000T0000Z-220621T0300Z/
Kingsbury SD-
955 PM CDT Mon Jun 20 2022

...THE TORNADO WARNING FOR NORTHWESTERN KINGSBURY COUNTY WILL EXPIRE
AT 1000 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
east central South Dakota.

LAT...LON 4454 9773 4454 9743 4443 9773 4447 9779
      4455 9779
TIME...MOT...LOC 0255Z 232DEG 39KT 4458 9755 

$$

APT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:02 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Moody	43 min
Jun 20, 7:22 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury, Lake, Miner	38 min
Jun 20, 7:27 PM CDT	Severe Thunderstorm Warning	FSD	Hutchinson, McCook, Minnehaha, Turner	33 min
Jun 20, 7:34 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, McCook, Minnehaha, Turner	26 min
Jun 20, 7:46 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Minnehaha	29 min
Jun 20, 7:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lincoln, McCook, Minnehaha, Turner	38 min
Jun 20, 8:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Minnehaha, Moody	23 min
Jun 20, 8:08 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	41 min
Jun 20, 8:26 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Minnehaha, Moody	34 min
Jun 20, 8:28 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Moody	47 min
Jun 20, 8:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Minnehaha	30 min
Jun 20, 8:40 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	35 min
Jun 20, 9:01 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	44 min
Jun 20, 9:23 PM CDT	Severe Thunderstorm Warning	FSD	Beadle, Kingsbury	37 min
Jun 20, 10:49 PM CDT	Severe Thunderstorm Warning	FSD	Lake, McCook, Minnehaha, Moody	26 min

Nearby

Tornado Warnings in South Dakota, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.