Alert archive / South Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 44, NWS Aberdeen, SD

July 3, 2021Jones County, Stanley County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 3, 2021, 5:36 PM CDT for Jones County, Stanley County, South Dakota. It was in force for 39 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 3, 2021, 5:36 PM CDT (22:36 UTC)
Expired
Jul 3, 2021, 6:15 PM CDT
In force
39 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Jones County, SD, Stanley County, SD

The radar

The Rapid City radar (KUDX), 154 km from the middle of the area, began a volume at 22:37 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

TimeReportWhereRemark
Jul 3, 6:00 PM CDTTSTM WND GST 705 Se Capa, SDSEVERAL OBJECTS MOVED BY THE STRONG WINDS INCLUDING DAMAGE TO CORN CROPS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 3, 4:33 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 10.6 hours before the alert went out and 158 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, Rapid City, SD at 12:00Z on 2021-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 444 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 2021-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939Sfc1 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
444 J/kg
Mixed-layer CIN
-308 J/kg
Mixed-layer LCL
2214 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

115 
WUUS53 KABR 032236
SVRABR
SDC075-117-032315-
/O.NEW.KABR.SV.W.0044.210703T2236Z-210703T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
536 PM CDT Sat Jul 3 2021

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Northwestern Jones County in central South Dakota...
  Southwestern Stanley County in central South Dakota...

* Until 615 PM CDT/515 PM MDT/.

* At 536 PM CDT/436 PM MDT/, a severe thunderstorm was located near
  Capa, or 22 miles northwest of Murdo, moving southeast 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...
  Van Metre.

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 4409 10105 4413 10105 4429 10093 4417 10056
      4394 10080
TIME...MOT...LOC 2236Z 298DEG 13KT 4417 10091 

HAIL...1.00IN
WIND...60MPH
 
$$

SD
2 follow-up statements
419 
WWUS53 KABR 032245
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
545 PM CDT Sat Jul 3 2021

SDC075-117-032315-
/O.CON.KABR.SV.W.0044.000000T0000Z-210703T2315Z/
Jones SD-Stanley SD-
545 PM CDT Sat Jul 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM
CDT/515 PM MDT/ FOR NORTHWESTERN JONES AND SOUTHWESTERN STANLEY
COUNTIES...

At 545 PM CDT/445 PM MDT/, a severe thunderstorm was located near Van
Metre, or 20 miles northwest of Murdo, moving southeast at 15 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Capa and Van Metre. 

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 4409 10105 4413 10105 4429 10093 4417 10056
      4394 10080
TIME...MOT...LOC 2245Z 304DEG 12KT 4415 10089 

HAIL...1.25IN
WIND...60MPH
 
$$

SD
071 
WWUS53 KABR 032305
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
605 PM CDT Sat Jul 3 2021

SDC117-032314-
/O.CAN.KABR.SV.W.0044.000000T0000Z-210703T2315Z/
Stanley SD-
605 PM CDT Sat Jul 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN STANLEY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
central South Dakota.

LAT...LON 4409 10105 4413 10105 4417 10102 4417 10061
      4416 10058 4394 10080
TIME...MOT...LOC 2304Z 328DEG 14KT 4406 10090 

$$

SDC075-032315-
/O.CON.KABR.SV.W.0044.000000T0000Z-210703T2315Z/
Jones SD-
605 PM CDT Sat Jul 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR NORTHWESTERN JONES COUNTY...

At 604 PM CDT, a severe thunderstorm was located near Capa, or 15
miles northwest of Murdo, moving southeast at 15 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Capa and Van Metre. 

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 4409 10105 4413 10105 4417 10102 4417 10061
      4416 10058 4394 10080
TIME...MOT...LOC 2304Z 328DEG 14KT 4406 10090 

HAIL...1.50IN
WIND...60MPH
 
$$

SD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 2:57 AM CDTRed Flag WarningABRCampbell, Corson, Dewey, Hughes, Jones, Lyman and 4 more15 hr
Jul 3, 5:05 PM CDTSpecial Weather StatementABRJones25 min
Jul 3, 5:42 PM CDTSpecial Weather StatementABRDewey33 min
Jul 3, 6:10 PM CDTSevere Thunderstorm WarningABRJones, Stanley50 min
Jul 3, 6:29 PM CDTSpecial Weather StatementABRWalworth31 min
Jul 3, 6:35 PM CDTSevere Thunderstorm WarningABRCorson, Dewey, Potter, Walworth40 min
Jul 3, 6:57 PM CDTSevere Thunderstorm WarningABRJones33 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.