Alert archive / South Dakota / Flash Flood Warnings in 2024

Flash Flood Warning 5, NWS Aberdeen, SD

June 18, 2024Stanley County, South Dakota

NWS Aberdeen, SD issued this flash flood warning at Jun 18, 2024, 1:12 AM MDT for Stanley County, South Dakota. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 18, 2024, 1:12 AM MDT (07:12 UTC)
Expired: Jun 18, 2024, 5:00 AM MDT
In force: 4 hr
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Flood severity: None

County Stanley County, SD

The radar

The Rapid City radar (KUDX), 170 km from the middle of the area, began a volume at 07:13 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 nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 7.2 hours before the alert went out and 193 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 917 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 336 m²/s²
0-3 km storm-relative helicity: 482 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 17, 11:45 PM MDT, 1 hour 27 minutes earlier.

Area forecast discussion, Jun 17, 11:45 PM MDT, 1 hour 27 minutes before

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Hazardous weather outlook, Jun 17, 2:38 AM MDT, 22 hours 34 minutes before

Hazardous Weather Outlook
National Weather Service Aberdeen SD
338 AM CDT Mon Jun 17 2024

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-180845-
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-
338 AM CDT Mon Jun 17 2024 /238 AM MDT Mon Jun 17 2024/

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.

There is a slight risk (2/5) for strong to severe storms across the
entire region tonight into Tuesday morning. Main threats include
large hail and 60-70 mph wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Showers and thunderstorms continue Tuesday, with no severe weather
anticipated past the early morning. An unsettled weather pattern
expected through the end of the week into the weekend with ongoing
shower and thunderstorm chances.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be requested. 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.

MMM

In the hours before

Special weather statement, Jun 17, 11:51 PM MDT, 1 hour 21 minutes before

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Special weather statement, Jun 17, 11:54 PM MDT, 1 hour 18 minutes before

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Special weather statement, Jun 18, 1:04 AM MDT, 8 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
Jun 17, 10:30 PM MDT	Severe Thunderstorm Warning	ABR	Dewey	60 min
Jun 17, 10:47 PM MDT	Severe Thunderstorm Warning	ABR	Dewey, Stanley	58 min
Jun 17, 11:09 PM MDT	Severe Thunderstorm Warning	ABR	Campbell, Corson	25 min
Jun 17, 11:36 PM MDT	Severe Thunderstorm Warning	ABR	Campbell, Corson, Dewey	34 min
Jun 17, 11:51 PM MDT	Special Weather Statement	ABR	Stanley	39 min
Jun 17, 11:54 PM MDT	Special Weather Statement	ABR	Dewey, Walworth	51 min
Jun 18, 1:04 AM MDT	Special Weather Statement	ABR	Brown, Campbell, Edmunds, Faulk, McPherson, Potter and 1 more	71 min
Jun 18, 2:16 AM MDT	Special Weather Statement	ABR	Clark, Day, Marshall, Spink	59 min
Jun 18, 3:17 AM MDT	Special Weather Statement	ABR	Roberts	28 min
Jun 18, 3:06 PM MDT	Severe Thunderstorm Warning	ABR	Codington, Hamlin	39 min
Jun 18, 3:33 PM MDT	Severe Thunderstorm Warning	ABR	Codington, Deuel, Grant	30 min
Jun 18, 4:02 PM MDT	Special Weather Statement	ABR	Big Stone	43 min

Nearby

Flash Flood Warnings in South Dakota, 2024 Every flash flood warning 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.