Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 14, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 11, 2021, 3:26 AM CDT for Beadle County, Jerauld County, South Dakota. It was in force for 64 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 11, 2021, 3:26 AM CDT (08:26 UTC)
- Expired
- Jun 11, 2021, 4:30 AM CDT
- In force
- 64 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Beadle County, SD, Jerauld County, SD
The radar
The Aberdeen radar (KABR), 128 km from the middle of the area, began a volume at 08:25 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 2:15 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 8.4 hours before the alert went out and 68 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
- 1337 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 2725 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted.
788
WUUS53 KFSD 110826
SVRFSD
SDC005-073-110930-
/O.NEW.KFSD.SV.W.0014.210611T0826Z-210611T0930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
326 AM CDT Fri Jun 11 2021
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Western Beadle County in east central South Dakota...
Jerauld County in central South Dakota...
* Until 430 AM CDT.
* At 326 AM CDT, severe thunderstorms were located along a line
extending from 8 miles southwest of Polo to near Miller Dale Colony
to Shelby, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Wessington around 400 AM CDT.
Wolsey and Virgil around 425 AM CDT.
Hitchcock around 430 AM CDT.
Other locations impacted by these severe thunderstorms include
Broadland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4463 9834 4394 9833 4394 9892 4420 9893
4420 9870 4463 9871
TIME...MOT...LOC 0826Z 270DEG 28KT 4467 9917 4437 9908 4394 9916
HAIL...1.00IN
WIND...60MPH
$$
Schumacher2 follow-up statements
857
WWUS53 KFSD 110858
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
358 AM CDT Fri Jun 11 2021
SDC005-073-110930-
/O.CON.KFSD.SV.W.0014.000000T0000Z-210611T0930Z/
Beadle SD-Jerauld SD-
358 AM CDT Fri Jun 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR WESTERN BEADLE AND JERAULD COUNTIES...
At 358 AM CDT, severe thunderstorms were located along a line
extending from 7 miles west of Spottswood to near Virgil to 11 miles
south of Wessington Springs, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Alpena and Virgil around 405 AM CDT.
Hitchcock around 415 AM CDT.
Other locations impacted by these severe thunderstorms include
Broadland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4463 9834 4394 9833 4394 9892 4408 9881
4420 9870 4463 9871
TIME...MOT...LOC 0858Z 265DEG 42KT 4465 9866 4428 9850 4393 9865
HAIL...<.75IN
WIND...60MPH
$$
Schumacher841
WWUS53 KFSD 110921
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
421 AM CDT Fri Jun 11 2021
SDC005-073-110931-
/O.EXP.KFSD.SV.W.0014.000000T0000Z-210611T0930Z/
Beadle SD-Jerauld SD-
421 AM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN BEADLE AND JERAULD
COUNTIES WILL EXPIRE AT 430 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
central and east central South Dakota.
LAT...LON 4463 9834 4394 9833 4394 9892 4408 9881
4420 9870 4463 9871
TIME...MOT...LOC 0921Z 270DEG 28KT 4465 9843 4428 9827 4393 9843
$$
SchumacherThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 3:13 AM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 47 min |
| Jun 11, 3:39 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Douglas, Gregory | 51 min |
| Jun 11, 4:59 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 46 min |
| Jun 11, 5:04 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Miner | 41 min |
| Jun 11, 5:41 AM CDT | Severe Thunderstorm Warning | FSD | Yankton | 34 min |
| Jun 11, 5:56 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 49 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.