Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 24, NWS Aberdeen, SD

June 10, 2021Corson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 10, 2021, 10:06 PM MDT for Corson County, South Dakota. It was in force for 39 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 10, 2021, 10:06 PM MDT (04:06 UTC)
Expired
Jun 10, 2021, 10:45 PM MDT
In force
39 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Corson County, SD

The radar

The Bismarck radar (KBIS), 138 km from the middle of the area, began a volume at 04:06 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.

IssuedProductOfficeLasted
Jun 10, 8:08 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 4.1 hours before the alert went out and 141 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.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 00:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1785 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1785 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2484 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted.

173 
WUUS53 KABR 110406
SVRABR
SDC031-110445-
/O.NEW.KABR.SV.W.0024.210611T0406Z-210611T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
1006 PM MDT Thu Jun 10 2021

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Western Corson County in north central South Dakota...

* Until 1045 PM MDT.

* At 1005 PM MDT, a severe thunderstorm was located over Meadow, or
  27 miles south of Lemmon, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  western Corson County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4594 10200 4594 10155 4547 10137 4547 10200
TIME...MOT...LOC 0405Z 235DEG 41KT 4555 10225 

HAIL...0.88IN
WIND...60MPH
 
$$

SD
1 follow-up statement
556 
WWUS53 KABR 110444
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
1044 PM MDT Thu Jun 10 2021

SDC031-110454-
/O.EXP.KABR.SV.W.0024.000000T0000Z-210611T0445Z/
Corson SD-
1044 PM MDT Thu Jun 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CORSON COUNTY WILL
EXPIRE AT 1045 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 gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM MDT for
north central South Dakota.

LAT...LON 4594 10200 4594 10155 4547 10137 4547 10200
TIME...MOT...LOC 0444Z 235DEG 41KT 4579 10175 

$$

SD

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 12:02 AM MDTSevere Thunderstorm WarningABRCorson, Dewey43 min
Jun 11, 12:15 AM MDTSevere Thunderstorm WarningABRDewey, Jones, Stanley45 min
Jun 11, 12:47 AM MDTSpecial Weather StatementABRWalworth43 min
Jun 11, 1:37 AM MDTSevere Thunderstorm WarningABREdmunds, Faulk, McPherson, Potter, Walworth38 min
Jun 11, 1:54 AM MDTSevere Thunderstorm WarningABRFaulk, Potter, Sully36 min
Jun 11, 2:16 AM MDTSevere Thunderstorm WarningABRCampbell, Edmunds, Faulk, McPherson, Potter, Walworth44 min
Jun 11, 2:23 AM MDTSevere Thunderstorm WarningABRBuffalo, Hand, Spink52 min
Jun 11, 2:38 AM MDTSevere Thunderstorm WarningABRBrown, Day, Edmunds, Faulk, McPherson, Marshall and 1 more52 min
Jun 11, 3:16 AM MDTSevere Thunderstorm WarningABRBrown, Clark, Codington, Day, Grant, Marshall and 2 more44 min
Jun 11, 3:49 AM MDTSevere Thunderstorm WarningABRClark, Codington, Grant, Hamlin, Spink41 min
Jun 11, 4:02 AM MDTSevere Thunderstorm WarningABRClark, Codington, Day, Deuel, Grant, Marshall and 1 more43 min
Jun 11, 4:35 AM MDTSevere Thunderstorm WarningABRCodington, Deuel, Hamlin40 min
Jun 11, 4:49 AM MDTSevere Thunderstorm WarningABRCodington, Deuel, Grant, Roberts33 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.