Alert archive / South Dakota / Special Weather Statements in 2021
Special Weather Statement, NWS Aberdeen, SD
NWS Aberdeen, SD issued this special weather statement at Aug 27, 2021, 4:53 AM CDT for Hand County, Hyde County, South Dakota. It was in force for 37 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
- Aug 27, 2021, 4:53 AM CDT (09:53 UTC)
- Expired
- Aug 27, 2021, 5:30 AM CDT
- In force
- 37 min
- Issued by
- NWS Aberdeen, SD
- Hail
- 0.75 in
- Wind
- 55
Counties Hand County, SD, Hyde County, SD
The radar
The Aberdeen radar (KABR), 135 km from the middle of the area, began a volume at 09:55 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, 9.9 hours before the alert went out and 95 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 27, 4:25 AM CDT, 28 minutes earlier.
Area forecast discussion, Aug 27, 4:25 AM CDT, 28 minutes before
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</html>Hazardous weather outlook, Aug 26, 11:58 AM CDT, 16 hours 55 minutes before
Hazardous Weather Outlook National Weather Service Aberdeen SD 1158 AM CDT Thu Aug 26 2021 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-271700- 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- 1158 AM CDT Thu Aug 26 2021 /1058 AM MDT Thu Aug 26 2021/ This Hazardous Weather Outlook is for west central Minnesota, central South Dakota, north central South Dakota and northeast South Dakota. .DAY ONE...This afternoon and tonight. Showers and thunderstorms will be possible this afternoon, mainly over northern and northeastern South Dakota into west central Minnesota. Another round of showers and thunderstorms will be possible overnight and into Friday morning. A few strong to severe storms will be possible. Hail, strong winds, and heavy rain are all threats. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. The unsettled pattern persists through Saturday, with several rounds of strong to severe storms possible. Additional showers and thunderstorms will be possible Sunday night through Monday, as well as Wednesday. .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 Twitter feed. KF
In the hours before
Local storm report, Aug 27, 1:07 AM CDT, 3 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
107 AM CDT FRI AUG 27 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1249 AM TSTM WND GST 10 SW CHANTLER CREEK RE 44.39N 100.77W
08/27/2021 M64 MPH STANLEY SD MESONET
MESONET STATION 202 HAYES (SDDOT).
&&
TMTSpecial weather statement, Aug 27, 1:19 AM CDT, 3 hours 34 minutes before
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</html>Special weather statement, Aug 27, 3:27 AM CDT, 1 hour 26 minutes before
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</html>Special weather statement, Aug 27, 4:23 AM CDT, 30 minutes before
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</html>Local storm report, Aug 27, 4:40 AM CDT, 13 minutes before
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</html>Special weather statement, Aug 27, 4:53 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 12:05 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 55 min |
| Aug 27, 12:51 AM CDT | Special Weather Statement | ABR | Stanley | 24 min |
| Aug 27, 1:06 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 39 min |
| Aug 27, 1:19 AM CDT | Special Weather Statement | ABR | Hughes | 26 min |
| Aug 27, 1:44 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Potter, Sully | 46 min |
| Aug 27, 3:27 AM CDT | Special Weather Statement | ABR | Jones | 18 min |
| Aug 27, 4:23 AM CDT | Special Weather Statement | ABR | Hughes | 37 min |
Nearby
Special Weather Statements in South Dakota, 2021Every special weather statement 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.