Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 13, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 8, 2021, 4:33 PM MDT for Corson County, South Dakota. It was in force for 42 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 8, 2021, 4:33 PM MDT (22:33 UTC)
- Expired
- Jun 8, 2021, 5:15 PM MDT
- In force
- 42 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Corson County, SD
The radar
The Bismarck radar (KBIS), 118 km from the middle of the area, began a volume at 22:35 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.6 hours before the alert went out and 119 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
- 534 J/kg
- Mixed-layer CIN
- -518 J/kg
- Mixed-layer LCL
- 1161 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.5
The text
As transmitted.
444
WUUS53 KABR 082233
SVRABR
SDC031-082315-
/O.NEW.KABR.SV.W.0013.210608T2233Z-210608T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
433 PM MDT Tue Jun 8 2021
The National Weather Service in Aberdeen has issued a
* Severe Thunderstorm Warning for...
Western Corson County in north central South Dakota...
* Until 515 PM MDT.
* At 432 PM MDT, a severe thunderstorm was located 7 miles northwest
of Black Horse, or 33 miles east of Lemmon, moving east at 15 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.
* Locations impacted include...
Black Horse.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4594 10099 4551 10129 4559 10177 4595 10157
TIME...MOT...LOC 2232Z 258DEG 14KT 4576 10152
HAIL...1.00IN
WIND...60MPH
$$
Lueck1 follow-up statement
067
WWUS53 KABR 082307
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
507 PM MDT Tue Jun 8 2021
SDC031-082316-
/O.EXP.KABR.SV.W.0013.000000T0000Z-210608T2315Z/
Corson SD-
507 PM MDT Tue Jun 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CORSON COUNTY WILL
EXPIRE AT 515 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.
Remember, a Severe Thunderstorm Warning still remains in effect for
southern Corson County until 730pm MDT
LAT...LON 4594 10099 4551 10129 4559 10177 4595 10157
TIME...MOT...LOC 2306Z 258DEG 14KT 4579 10134
$$
LueckThe office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 6:34 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 56 min |
| Jun 7, 7:26 PM MDT | Severe Thunderstorm Warning | ABR | Campbell | 49 min |
| Jun 7, 11:18 PM MDT | Special Weather Statement | ABR | Roberts | 57 min |
| Jun 8, 3:34 PM MDT | Special Weather Statement | ABR | Corson | 26 min |
| Jun 8, 3:45 PM MDT | Severe Thunderstorm Warning | ABR | Corson | 45 min |
| Jun 8, 4:18 PM MDT | Special Weather Statement | ABR | Dewey | 27 min |
| Jun 8, 4:46 PM MDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 44 min |
| Jun 8, 5:11 PM MDT | Flash Flood Watch | ABR | Corson, Dewey | 4 hr |
| Jun 8, 5:12 PM MDT | Special Weather Statement | ABR | Corson | 33 min |
| Jun 8, 5:23 PM MDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 52 min |
| Jun 8, 5:54 PM MDT | Severe Thunderstorm Warning | ABR | Corson | 51 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.