Alert archive / South Dakota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 80, NWS Aberdeen, SD

July 26, 2023Clark County, Codington County, Hamlin County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 26, 2023, 12:17 AM CDT for Clark County, Codington County, Hamlin County, South Dakota. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 26, 2023, 12:17 AM CDT (05:17 UTC)
Expired: Jul 26, 2023, 1:04 AM CDT
In force: 47 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Clark County, SD, Codington County, SD, Hamlin County, SD

The radar

The Aberdeen radar (KABR), 107 km from the middle of the area, began a volume at 05:19 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
Jul 25, 7:14 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 5.3 hours before the alert went out and 82 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3505 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 15.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 25, 9:36 PM CDT, 2 hours 41 minutes earlier.

Area forecast discussion, Jul 25, 9:36 PM CDT, 2 hours 41 minutes before

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Hazardous weather outlook, Jul 25, 3:42 AM CDT, 20 hours 35 minutes before

Hazardous Weather Outlook
National Weather Service Aberdeen SD
342 AM CDT Tue Jul 25 2023

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-260845-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
342 AM CDT Tue Jul 25 2023 /242 AM MDT Tue Jul 25 2023/

This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.

.DAY ONE...Today and tonight.

Strong to severe thunderstorms are possible late this afternoon into
this evening. Large hail and strong winds are the main threats.

Central South Dakota will see temperatures soar toward the century
mark today. Feels-like temperatures will be between 100 and 105
degrees.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday will be the hottest day across the region. Temperatures
will climb into the 90s to lower 100s.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon into this
evening.

In the hours before

Local storm report, Jul 25, 9:34 PM CDT, 2 hours 43 minutes before

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Local storm report, Jul 25, 9:47 PM CDT, 2 hours 30 minutes before

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Local storm report, Jul 25, 10:05 PM CDT, 2 hours 12 minutes before

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Local storm report, Jul 25, 10:10 PM CDT, 2 hours 7 minutes before

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Special weather statement, Jul 25, 11:37 PM CDT, 40 minutes before

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Special weather statement, Jul 25, 11:58 PM CDT, 19 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 7:39 PM CDT	Severe Thunderstorm Warning	ABR	Hand, Hyde	51 min
Jul 25, 8:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Hand	45 min
Jul 25, 8:36 PM CDT	Tornado Warning	ABR	Hand	39 min
Jul 25, 8:56 PM CDT	Severe Thunderstorm Warning	ABR	Roberts	49 min
Jul 25, 11:37 PM CDT	Special Weather Statement	ABR	Clark	23 min
Jul 25, 11:58 PM CDT	Special Weather Statement	ABR	Hamlin	47 min
Jul 26, 1:06 AM CDT	Special Weather Statement	ABR	Hamlin	24 min
Jul 26, 4:02 AM CDT	Heat Advisory	ABR	Brown, Buffalo, Dewey, Edmunds, Faulk, Hand and 8 more	16 hr
Jul 26, 4:48 PM CDT	Special Weather Statement	ABR	Stanley	27 min
Jul 26, 5:15 PM CDT	Special Weather Statement	ABR	Stanley	30 min
Jul 26, 5:28 PM CDT	Severe Thunderstorm Warning	ABR	Dewey, Hughes, Stanley, Sully	47 min
Jul 26, 6:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Hughes, Stanley, Sully	47 min
Jul 26, 6:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Hughes, Jones, Lyman, Stanley	47 min
Jul 25, 8:50 PM CDT	Special Weather Statement	ABR	Traverse	25 min
Jul 25, 9:42 PM CDT	Severe Thunderstorm Warning	ABR	Big Stone, Traverse	18 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2023 Every severe thunderstorm warning in 2023

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.