Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 16, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 8, 2021, 5:54 PM MDT for Corson County, South Dakota. It was in force for 51 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, 5:54 PM MDT (23:54 UTC)
- Expired
- Jun 8, 2021, 6:45 PM MDT
- In force
- 51 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), 147 km from the middle of the area, began a volume at 23:53 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, 11.9 hours before the alert went out and 150 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.
935
WUUS53 KABR 082354
SVRABR
SDC031-090045-
/O.NEW.KABR.SV.W.0016.210608T2354Z-210609T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
554 PM MDT Tue Jun 8 2021
The National Weather Service in Aberdeen has issued a
* Severe Thunderstorm Warning for...
Northwestern Corson County in north central South Dakota...
* Until 645 PM MDT.
* At 553 PM MDT, a severe thunderstorm was located 11 miles northwest
of Shambo Ranch, or 21 miles south of Lemmon, moving east at 25
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.
* This severe thunderstorm will remain over mainly rural areas of
northwestern Corson County.
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 4574 10200 4587 10172 4558 10162 4552 10200
TIME...MOT...LOC 2353Z 255DEG 20KT 4564 10201
HAIL...1.00IN
WIND...60MPH
$$
Lueck2 follow-up statements
819
WWUS53 KABR 090021
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
621 PM MDT Tue Jun 8 2021
SDC031-090045-
/O.CON.KABR.SV.W.0016.000000T0000Z-210609T0045Z/
Corson SD-
621 PM MDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT
FOR WEST CENTRAL CORSON COUNTY...
At 621 PM MDT, a severe thunderstorm was located near Shambo Ranch,
or 25 miles southeast of Lemmon, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of west
central Corson County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4568 10196 4579 10169 4558 10162 4553 10196
TIME...MOT...LOC 0021Z 268DEG 14KT 4562 10188
HAIL...1.00IN
WIND...60MPH
$$
Lueck011
WWUS53 KABR 090036
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
636 PM MDT Tue Jun 8 2021
SDC031-090045-
/O.EXP.KABR.SV.W.0016.000000T0000Z-210609T0045Z/
Corson SD-
636 PM MDT Tue Jun 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL CORSON COUNTY
WILL EXPIRE AT 645 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.
LAT...LON 4568 10196 4579 10169 4558 10162 4553 10196
TIME...MOT...LOC 0035Z 255DEG 20KT 4564 10178
$$
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, 4:33 PM MDT | Severe Thunderstorm Warning | ABR | Corson | 42 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 |
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.