Alert archive / South Dakota / Tornado Warnings in 2022

Tornado Warning 9, NWS Sioux Falls, SD

May 12, 2022Beadle County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at May 12, 2022, 4:58 PM CDT for Beadle County, South Dakota. It was in force for 20 min. 4 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: May 12, 2022, 4:58 PM CDT (21:58 UTC)
Expired: May 12, 2022, 5:18 PM CDT
In force: 20 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), 107 km from the middle of the area, began a volume at 21:59 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
May 12, 5:00 PM CDT	TSTM WND DMG	Huron, SD	NUMEROUS PINE TREES HAVE BEEN UPROOTED BY THE WIND. POWER IS OUT ACROSS THE SOUTHERN PART OF TOWN.
May 12, 5:01 PM CDT	TSTM WND GST 90	2 Nnw Huron, SD	ASOS STATION KHON HURON REGIONAL AIRPORT.
May 12, 5:10 PM CDT	TSTM WND GST 80	7 Nne Huron, SD
May 12, 5:10 PM CDT	HAIL 0.88	7 Nne 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
May 12, 3:50 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.0 hours before the alert went out and 317 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 742 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: -56 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

257 
WFUS53 KFSD 122158
TORFSD
SDC005-122245-
/O.NEW.KFSD.TO.W.0009.220512T2158Z-220512T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
458 PM CDT Thu May 12 2022

The National Weather Service in Sioux Falls has issued a

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

* Until 545 PM CDT.
    
* At 458 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Wolsey, or 8 miles west of Huron, moving north at
  70 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...
  Hitchcock around 510 PM CDT.

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 4463 9795 4427 9831 4434 9854 4463 9846
TIME...MOT...LOC 2158Z 201DEG 60KT 4438 9839 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

JM

1 follow-up statement

271 
WWUS53 KFSD 122218
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
518 PM CDT Thu May 12 2022

SDC005-122228-
/O.CAN.KFSD.TO.W.0009.000000T0000Z-220512T2245Z/
Beadle SD-
518 PM CDT Thu May 12 2022

...THE TORNADO WARNING FOR BEADLE COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However small hail and
gusty winds are still possible with this thunderstorm.

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

LAT...LON 4463 9795 4427 9831 4434 9854 4463 9846
TIME...MOT...LOC 2216Z 201DEG 60KT 4469 9822 

$$

JM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 12:09 AM CDT	Dense Fog Advisory	FSD	Brookings, Kingsbury, Lake, Minnehaha, Moody	4 hr
May 12, 1:38 AM CDT	Severe Thunderstorm Warning	FSD	Beadle, Jerauld	37 min
May 12, 3:16 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Gregory	44 min
May 12, 3:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Charles Mix, Douglas, Gregory	24 min
May 12, 3:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Charles Mix, Davison, Douglas, Gregory	50 min
May 12, 3:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Brule, Charles Mix, Gregory, Jerauld	44 min
May 12, 3:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 6 more	46 min
May 12, 4:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Davison, Douglas, Hanson, Hutchinson, Jerauld and 1 more	49 min
May 12, 4:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Clay, Lincoln, Union, Yankton	40 min
May 12, 4:40 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Clay, Hanson, Hutchinson, Lake, Lincoln, McCook and 5 more	50 min
May 12, 4:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Jerauld, Kingsbury, Miner, Sanborn	44 min
May 12, 4:49 PM CDT	Tornado Warning	FSD	Hanson, Lake, McCook, Miner	28 min
May 12, 4:53 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Clay, Lincoln, Union	37 min
May 12, 5:13 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Brookings, Kingsbury, Lake, Miner, Minnehaha, Moody	47 min
May 12, 5:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Clay, Lake, Lincoln, McCook, Minnehaha, Moody and 2 more	23 min
May 12, 5:42 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Brookings, Moody	33 min
May 12, 6:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Union	46 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.