Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 21, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 14, 2021, 3:53 AM CDT for Kingsbury County, South Dakota. It was in force for 37 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
- Jun 14, 2021, 3:53 AM CDT (08:53 UTC)
- Expired
- Jun 14, 2021, 4:30 AM CDT
- In force
- 37 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Kingsbury County, SD
The radar
The Sioux Falls radar (KFSD), 121 km from the middle of the area, began a volume at 08:54 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 nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 8.9 hours before the alert went out and 79 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2913 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
859
WUUS53 KFSD 140853
SVRFSD
SDC077-140930-
/O.NEW.KFSD.SV.W.0021.210614T0853Z-210614T0930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
353 AM CDT Mon Jun 14 2021
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Northern Kingsbury County in east central South Dakota...
* Until 430 AM CDT.
* At 352 AM CDT, a severe thunderstorm was located near Willow Lake,
or 17 miles northwest of Lake Thompson State Recreation Area,
moving southeast at 35 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
De Smet around 405 AM CDT.
Lake Preston around 420 AM CDT.
Other locations impacted by this severe thunderstorm include Bancroft
and Erwin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 4454 9773 4454 9739 4450 9725 4429 9741
4448 9781 4455 9776
TIME...MOT...LOC 0852Z 296DEG 32KT 4453 9766
HAIL...1.00IN
WIND...<50MPH
$$
JH3 follow-up statements
280
WWUS53 KFSD 140910
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
410 AM CDT Mon Jun 14 2021
SDC077-140930-
/O.CON.KFSD.SV.W.0021.000000T0000Z-210614T0930Z/
Kingsbury SD-
410 AM CDT Mon Jun 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHERN KINGSBURY COUNTY...
At 408 AM CDT, a severe thunderstorm was located 7 miles north of De
Smet, or 13 miles northwest of Lake Thompson State Recreation Area,
moving southeast at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
This severe storm will be near...
De Smet around 420 AM CDT.
Lake Preston around 430 AM CDT.
Other locations impacted by this severe thunderstorm include Erwin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 4454 9773 4454 9739 4450 9725 4429 9741
4445 9774
TIME...MOT...LOC 0908Z 299DEG 25KT 4450 9757
HAIL...1.00IN
WIND...<50MPH
$$
JH080
WWUS53 KFSD 140921
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
421 AM CDT Mon Jun 14 2021
SDC077-140930-
/O.CON.KFSD.SV.W.0021.000000T0000Z-210614T0930Z/
Kingsbury SD-
421 AM CDT Mon Jun 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTH CENTRAL KINGSBURY COUNTY...
At 420 AM CDT, a severe thunderstorm was located 7 miles northeast of
De Smet, or 11 miles north of Lake Thompson State Recreation Area,
moving southeast at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
This severe thunderstorm will remain over mainly rural areas of
northeastern Kingsbury County, including the following locations...
Erwin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 4454 9761 4454 9739 4450 9725 4437 9735
4446 9762
TIME...MOT...LOC 0920Z 292DEG 26KT 4448 9749
HAIL...1.00IN
WIND...<50MPH
$$
JH115
WWUS53 KFSD 140930
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
430 AM CDT Mon Jun 14 2021
SDC077-140940-
/O.EXP.KFSD.SV.W.0021.000000T0000Z-210614T0930Z/
Kingsbury SD-
430 AM CDT Mon Jun 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL KINGSBURY COUNTY
HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However small
hail is still possible with this thunderstorm.
LAT...LON 4454 9761 4454 9739 4450 9725 4437 9735
4446 9762
TIME...MOT...LOC 0930Z 296DEG 32KT 4444 9739
$$
JHThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 1:35 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 25 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2021Every severe thunderstorm warning in 2021
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.