Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 77, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 25, 2021, 8:11 PM CDT for Clark County, Spink County, South Dakota. It was in force for 49 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 25, 2021, 8:11 PM CDT (01:11 UTC)
- Expired
- Jul 25, 2021, 9:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 50.0 mph
Counties Clark County, SD, Spink County, SD
The radar
The Aberdeen radar (KABR), 71 km from the middle of the area, began a volume at 01:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 25, 8:11 PM CDT | HAIL 1.75 | Turton, SD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 51 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
- 1771 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 2015 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 380 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 31.3
The text
As transmitted.
646
WUUS53 KABR 260111
SVRABR
SDC025-115-260200-
/O.NEW.KABR.SV.W.0077.210726T0111Z-210726T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
811 PM CDT Sun Jul 25 2021
The National Weather Service in Aberdeen has issued a
* Severe Thunderstorm Warning for...
Northern Clark County in northeastern South Dakota...
Northeastern Spink County in northeastern South Dakota...
* Until 900 PM CDT.
* At 811 PM CDT, a severe thunderstorm was located near Turton, or 17
miles northwest of Clark, moving east at 40 mph.
HAZARD...Golf ball size hail.
SOURCE...Public. At 811 pm, golf ball size hail was reported
in Turton.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* This severe thunderstorm will be near...
Crocker around 830 PM CDT.
Other locations in the path of this severe thunderstorm include
Hillcrest Colony, Bradley, Garden City and Swan Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Aberdeen.
&&
LAT...LON 4492 9750 4493 9810 4512 9823 4515 9750
TIME...MOT...LOC 0111Z 267DEG 34KT 4504 9803
HAIL...1.75IN
WIND...<50MPH
$$
Parkin1 follow-up statement
823
WWUS53 KABR 260128
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
828 PM CDT Sun Jul 25 2021
SDC115-260138-
/O.CAN.KABR.SV.W.0077.000000T0000Z-210726T0200Z/
Spink SD-
828 PM CDT Sun Jul 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SPINK COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4492 9750 4493 9792 4513 9797 4515 9750
TIME...MOT...LOC 0128Z 267DEG 34KT 4505 9780
$$
SDC025-260200-
/O.CON.KABR.SV.W.0077.000000T0000Z-210726T0200Z/
Clark SD-
828 PM CDT Sun Jul 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHERN CLARK COUNTY...
At 828 PM CDT, a severe thunderstorm was located near Crocker, or 11
miles north of Clark, moving east at 40 mph.
HAZARD...Half dollar size hail.
SOURCE...Public.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Hillcrest Colony, Bradley, Garden City and Swan Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Aberdeen.
&&
LAT...LON 4492 9750 4493 9792 4513 9797 4515 9750
TIME...MOT...LOC 0128Z 267DEG 34KT 4505 9780
HAIL...1.25IN
WIND...<50MPH
$$
ParkinThe office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 7:03 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 42 min |
| Jul 25, 7:30 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 36 min |
| Jul 25, 8:54 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington | 51 min |
| Jul 26, 3:41 AM CDT | Heat Advisory | ABR | Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more | 15 hr |
| Jul 26, 3:41 AM CDT | Heat Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 18 more | 41 hr |
| Jul 26, 4:00 AM CDT | Special Weather Statement | ABR | Corson | 30 min |
| Jul 26, 4:05 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 28 min |
| Jul 26, 7:12 AM CDT | Special Weather Statement | ABR | Day | 18 min |
| Jul 26, 8:35 AM CDT | Special Weather Statement | ABR | Walworth | 25 min |
| Jul 26, 9:03 AM CDT | Special Weather Statement | ABR | Walworth | 27 min |
| Jul 26, 9:43 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.