Alert archive / South Dakota / Tornado Warnings in 2022

Tornado Warning 1, NWS Sioux Falls, SD

April 12, 2022Hutchinson County, McCook County, Turner County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Apr 12, 2022, 6:36 PM CDT for Hutchinson County, McCook County, Turner County, South Dakota. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 12, 2022, 6:36 PM CDT (23:36 UTC)
Expired
Apr 12, 2022, 7:00 PM CDT
In force
24 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

Counties Hutchinson County, SD, McCook County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 61 km from the middle of the area, began a volume at 23:38 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 12, 3:41 PM CDTTornado WatchSPC6 hr
Apr 12, 6:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.6 hours before the alert went out and 184 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 12:00Z on 2022-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2022-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 475 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1320 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
475 m²/s²
0-3 km storm-relative helicity
539 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

999 
WFUS53 KFSD 122336
TORFSD
SDC067-087-125-130000-
/O.NEW.KFSD.TO.W.0001.220412T2336Z-220413T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
636 PM CDT Tue Apr 12 2022

The National Weather Service in Sioux Falls has issued a

* Tornado Warning for...
  South central McCook County in southeastern South Dakota...
  Northwestern Turner County in southeastern South Dakota...
  East central Hutchinson County in southeastern South Dakota...

* Until 700 PM CDT.

* At 636 PM CDT, a confirmed tornado was located near Clayton, or 20
  miles west of Parker, moving east at 40 mph.

  HAZARD...Damaging tornado.

  SOURCE...Public 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...
  Freeman around 645 PM CDT.
  Marion around 655 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Monroe.

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.

&&

LAT...LON 4334 9760 4341 9762 4353 9723 4336 9714
TIME...MOT...LOC 2336Z 260DEG 36KT 4340 9755 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

SG
2 follow-up statements
302 
WWUS53 KFSD 122349
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
649 PM CDT Tue Apr 12 2022

SDC067-087-125-130000-
/O.CON.KFSD.TO.W.0001.000000T0000Z-220413T0000Z/
McCook SD-Turner SD-Hutchinson SD-
649 PM CDT Tue Apr 12 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR SOUTH
CENTRAL MCCOOK...NORTHWESTERN TURNER AND EAST CENTRAL HUTCHINSON
COUNTIES...
    
At 649 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Dolton, or 12 miles west of Parker, moving east at
40 mph.

HAZARD...Tornado.

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...
  Marion around 655 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Monroe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4335 9744 4346 9747 4353 9723 4336 9714
TIME...MOT...LOC 2349Z 258DEG 36KT 4344 9737 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

SG
850 
WWUS53 KFSD 122359
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
659 PM CDT Tue Apr 12 2022

SDC067-087-125-130008-
/O.EXP.KFSD.TO.W.0001.000000T0000Z-220413T0000Z/
McCook SD-Turner SD-Hutchinson SD-
659 PM CDT Tue Apr 12 2022

...THE TORNADO WARNING FOR SOUTH CENTRAL MCCOOK...NORTHWESTERN TURNER
AND EAST CENTRAL HUTCHINSON COUNTIES WILL EXPIRE AT 700 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
South Dakota.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
southeastern South Dakota.

LAT...LON 4335 9744 4346 9747 4353 9723 4336 9714
TIME...MOT...LOC 2358Z 260DEG 36KT 4346 9725 

$$

SG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 4:29 AM CDTWind AdvisoryFSDAurora, Beadle, Bon Homme, Brule, Charles Mix, Clay and 13 more23 hr
Apr 12, 5:29 PM CDTSevere Thunderstorm WarningFSDAurora, Charles Mix, Davison, Douglas, Hanson, Hutchinson46 min
Apr 12, 5:48 PM CDTSevere Thunderstorm Warning Considerable damage threatFSDCharles Mix, Douglas, Hanson, Hutchinson42 min
Apr 12, 5:51 PM CDTSevere Thunderstorm WarningFSDMcCook, Minnehaha, Moody, Turner39 min
Apr 12, 5:54 PM CDTSevere Thunderstorm WarningFSDLincoln, Minnehaha, Turner33 min
Apr 12, 6:02 PM CDTSevere Thunderstorm WarningFSDBeadle, Kingsbury, Miner, Sanborn28 min
Apr 12, 6:10 PM CDTSevere Thunderstorm WarningFSDDavison, Hanson, Hutchinson, McCook, Miner35 min
Apr 12, 6:21 PM CDTSevere Thunderstorm Warning Considerable damage threatFSDHanson, Hutchinson, McCook, Turner39 min
Apr 12, 6:40 PM CDTSevere Thunderstorm WarningFSDMinnehaha, Moody35 min
Apr 12, 6:46 PM CDTSevere Thunderstorm WarningFSDHanson, McCook29 min
Apr 12, 6:57 PM CDTSevere Thunderstorm Warning Considerable damage threatFSDHutchinson, McCook, Minnehaha, Turner33 min

Nearby

Tornado Warnings in South Dakota, 2022Every tornado warning in 2022Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.