Alert archive / South Dakota / Tornado Warnings in 2024

Tornado Warning 14, NWS Aberdeen, SD

August 28, 2024Campbell County, McPherson County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Aug 28, 2024, 9:41 PM CDT for Campbell County, McPherson County, South Dakota. It was in force for 21 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
Aug 28, 2024, 9:41 PM CDT (02:41 UTC)
Expired
Aug 28, 2024, 10:02 PM CDT
In force
21 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Campbell County, SD, McPherson County, SD

The radar

The Aberdeen radar (KABR), 101 km from the middle of the area, began a volume at 02:42 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
Aug 28, 4:41 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.7 hours before the alert went out and 138 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 2024-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2577 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 2024-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
2577 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1173 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Aug 28, 9:19 PM CDT, 22 minutes earlier.

Area forecast discussion, Aug 28, 9:19 PM CDT, 22 minutes before
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Hazardous weather outlook, Aug 28, 6:09 AM CDT, 15 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Aberdeen SD
609 AM CDT Wed Aug 28 2024

SDZ003>011-015>020-022-036-037-051-291115-
Corson-Campbell-McPherson-Brown-Marshall-Roberts-Walworth-Edmunds-
Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Hamlin-Hyde-Hand-
Buffalo-
609 AM CDT Wed Aug 28 2024 /509 AM MDT Wed Aug 28 2024/

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

.DAY ONE...Today and tonight.

There is a slight risk, or level 2 out of 5, of severe weather late
this afternoon through tonight. The main threats with the strongest
storms will be hail of 2" or more in diameter and winds gusting over
60 mph. A tornado or two will be possible initially late this
afternoon into early this evening over central South Dakota.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed late this afternoon and
tonight. Weather spotters are encouraged to submit reports to the
National Weather Service in Aberdeen. The public can submit reports
on our web page, Facebook page, or our X feed.

SDZ033>035-045-048-291115-
Stanley-Sully-Hughes-Jones-Lyman-
609 AM CDT Wed Aug 28 2024 /509 AM MDT Wed Aug 28 2024/

This Hazardous Weather Outlook is for central South Dakota.

.DAY ONE...Today and tonight.

Temperatures will rise into the 90s over central SD, with heat index
values nearing 100 degrees over portions of south central South
Dakota this afternoon.

There is a slight risk, or level 2 out of 5, of severe weather late
this afternoon through tonight. The main threats with the strongest
storms will be hail of 2" or more in diameter and winds gusting over
60 mph. A tornado or two will be possible initially late this
afternoon into early this evening over central South Dakota.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed late this afternoon and
tonight. Weather spotters are encouraged to submit reports to the
National Weather Service in Aberdeen. The public can submit reports
on our web page, Facebook page, or our X feed.

MNZ039-046-SDZ021-023-291115-
Traverse-Big Stone-Grant-Deuel-
609 AM CDT Wed Aug 28 2024

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

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

There is a marginal risk, or level 1 out of 5, of severe weather
Thursday afternoon. The main threats with the strongest
storms will be hail of around 1" or winds gusting over 60 mph.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

KF

In the hours before

Local storm report, Aug 28, 7:31 PM CDT, 2 hours 10 minutes before
Preliminary Local Storm Report
National Weather Service Aberdeen SD
731 PM CDT Wed Aug 28 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0608 PM     Hail             5 E Walker              45.90N 100.98W
08/28/2024  E1.00 Inch       Corson             SD   Public

            Time estimated by radar.

&&

BC
Local storm report, Aug 28, 7:41 PM CDT, 2 hours before
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Local storm report, Aug 28, 7:46 PM CDT, 1 hour 55 minutes before
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Local storm report, Aug 28, 8:10 PM CDT, 1 hour 31 minutes before
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Local storm report, Aug 28, 8:54 PM CDT, 47 minutes before
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Local storm report, Aug 28, 9:18 PM CDT, 23 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 7:18 PM CDTTornado WarningABRCampbell, Corson27 min
Aug 28, 7:27 PM CDTSevere Thunderstorm Warning Considerable damage threatABRCampbell, Corson48 min
Aug 28, 7:40 PM CDTTornado WarningABRCampbell, Corson35 min
Aug 28, 8:11 PM CDTTornado Warning Tornado observedConsiderable damage threatABRCampbell34 min
Aug 28, 8:43 PM CDTTornado WarningABRCampbell32 min
Aug 28, 9:11 PM CDTTornado WarningABRCampbell, McPherson20 min
Aug 28, 9:13 PM CDTSevere Thunderstorm Warning Considerable damage threatABRCampbell, McPherson47 min
Aug 28, 9:53 PM CDTSevere Thunderstorm WarningABRMcPherson32 min
Aug 29, 6:20 AM CDTSpecial Weather StatementABRMcPherson25 min

Nearby

Tornado Warnings in South Dakota, 2024Every tornado warning in 2024Tornadoes in 2024

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.