Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 36, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 11, 2021, 5:49 AM CDT for 4 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It was in force for 33 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, 5:49 AM CDT (10:49 UTC)
- Expired
- Jun 11, 2021, 6:22 AM CDT
- In force
- 33 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Big Stone County, MN, Traverse County, MN, Codington County, SD, Deuel County, SD, Grant County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 155 km from the middle of the area, began a volume at 10:50 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, 10.8 hours before the alert went out and 162 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.
255
WUUS53 KABR 111049
SVRABR
MNC011-155-SDC029-039-051-109-111145-
/O.NEW.KABR.SV.W.0036.210611T1049Z-210611T1145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
549 AM CDT Fri Jun 11 2021
The National Weather Service in Aberdeen has issued a
* Severe Thunderstorm Warning for...
Traverse County in west central Minnesota...
Big Stone County in west central Minnesota...
Northern Deuel County in northeastern South Dakota...
Roberts County in northeastern South Dakota...
Grant County in northeastern South Dakota...
Northeastern Codington County in northeastern South Dakota...
* Until 645 AM CDT.
* At 549 AM CDT, severe thunderstorms were located along a line
extending from near Immanuel Church to near Bullhead Lake, moving
southeast 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.
* Severe thunderstorms will be near...
Strandburg and La Bolt around 555 AM CDT.
Wheaton and Revillo around 605 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4522 9627 4525 9629 4527 9645 4497 9645
4499 9721 4593 9718 4592 9625 4542 9624
4541 9612 4518 9610
TIME...MOT...LOC 1049Z 301DEG 21KT 4596 9651 4497 9674
HAIL...1.00IN
WIND...60MPH
$$
Wise1 follow-up statement
581
WWUS53 KABR 111122
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
622 AM CDT Fri Jun 11 2021
MNC011-155-SDC029-039-051-109-111131-
/O.CAN.KABR.SV.W.0036.000000T0000Z-210611T1145Z/
Traverse MN-Big Stone MN-Deuel SD-Roberts SD-Grant SD-Codington SD-
622 AM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR TRAVERSE...BIG STONE...
NORTHERN DEUEL...ROBERTS...GRANT AND NORTHEASTERN CODINGTON COUNTIES
IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled. However gusty winds are still possible with these
thunderstorms.
A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
west central Minnesota...and northeastern South Dakota.
LAT...LON 4522 9627 4525 9629 4527 9645 4497 9645
4499 9721 4593 9718 4592 9625 4542 9624
4541 9612 4518 9610
TIME...MOT...LOC 1120Z 301DEG 21KT 4587 9629 4488 9652
$$
WiseThe office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 11:06 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 39 min |
| Jun 11, 1:02 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 43 min |
| Jun 11, 1:15 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Jones, Stanley | 45 min |
| Jun 11, 1:47 AM CDT | Special Weather Statement | ABR | Walworth | 43 min |
| Jun 11, 2:37 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, McPherson, Potter, Walworth | 38 min |
| Jun 11, 2:54 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter, Sully | 36 min |
| Jun 11, 3:16 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, Faulk, McPherson, Potter, Walworth | 44 min |
| Jun 11, 3:23 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Spink | 52 min |
| Jun 11, 3:38 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Edmunds, Faulk, McPherson, Marshall and 1 more | 52 min |
| Jun 11, 4:16 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Clark, Codington, Day, Grant, Marshall and 2 more | 44 min |
| Jun 11, 4:49 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Grant, Hamlin, Spink | 41 min |
| Jun 11, 5:02 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Day, Deuel, Grant, Marshall and 1 more | 43 min |
| Jun 11, 5:35 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Hamlin | 40 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2021Severe Thunderstorm Warnings in Minnesota, 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.