Alert archive / South Dakota / Special Weather Statements in 2017
Special Weather Statement, NWS Aberdeen, SD
NWS Aberdeen, SD issued this special weather statement at Aug 9, 2017, 6:56 PM CDT for Deuel County, South Dakota. It was in force for 64 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 9, 2017, 6:56 PM CDT (23:56 UTC)
- Expired
- Aug 9, 2017, 8:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Aberdeen, SD
County Deuel County, SD
The radar
The Sioux Falls radar (KFSD), 134 km from the middle of the area, began a volume at 23:59 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 12:00Z, 11.9 hours before the alert went out and 118 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
- 352 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 856 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 9, 6:29 PM CDT, 27 minutes earlier.
Area forecast discussion, Aug 9, 6:29 PM CDT, 27 minutes before
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</html>Hazardous weather outlook, Aug 9, 3:20 AM CDT, 15 hours 36 minutes before
Hazardous Weather Outlook National Weather Service Aberdeen SD 320 AM CDT Wed Aug 9 2017 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-101200- 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- 320 AM CDT Wed Aug 9 2017 /220 AM MDT Wed Aug 9 2017/ This Hazardous Weather Outlook is for portions of west central Minnesota, central South Dakota, north central South Dakota, and northeast South Dakota. .DAY ONE...Today and Tonight Isolated thunderstorms are possible this morning east of the Missouri river. Lightning will be the primary threat with any thunderstorms. Strong to severe thunderstorms are possible from mid afternoon through early evening, mainly east of a line from McIntosh and Mobridge to Miller. The strongest storms may produce hail around one inch in diameter and wind gusts to 60 mph. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thunderstorms are possible Friday night into Saturday night. An isolated severe storm may occur during that period. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed over northeast South Dakota and west central Minnesota this afternoon and evening. SRF
In the hours before
Special weather statement, Aug 9, 6:00 PM CDT, 56 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
600 PM CDT WED AUG 9 2017
SDZ007-008-011-092345-
Marshall SD-Day SD-Roberts SD-
600 PM CDT WED AUG 9 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ROBERTS...
NORTHEASTERN DAY AND SOUTHEASTERN MARSHALL COUNTIES UNTIL 645 PM
CDT...
At 559 PM CDT, Doppler radar was tracking a strong thunderstorm over
Enemy Swim Housing, or 13 miles northeast of Webster, moving east at
30 mph.
Nickel size hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Wilmot, Peever, Grenville, Peever Flats Housing, Agency Village,
Finley Heights Housing, Enemy Swim Housing, Waubay Lake, Rudebusch
Corner, Waubay Wildlife Rec Area, Enemy Swim Lake, Campbell Slough,
Pickerel Lake Rec Area and Piyas Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Aberdeen.
&&
LAT...LON 4555 9680 4554 9679 4533 9687 4541 9742
4558 9737
TIME...MOT...LOC 2259Z 274DEG 28KT 4546 9730
TMTSpecial weather statement, Aug 9, 6:23 PM CDT, 33 minutes before
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</html>Local storm report, Aug 9, 6:42 PM CDT, 14 minutes before
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</html>Local storm report, Aug 9, 6:56 PM CDT, 0 minutes before
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</html>Special weather statement, Aug 9, 6:56 PM 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 9, 5:36 PM CDT | Special Weather Statement | ABR | Day | 24 min |
| Aug 9, 6:00 PM CDT | Special Weather Statement | ABR | Roberts | 45 min |
| Aug 9, 6:06 PM CDT | Severe Thunderstorm Warning | ABR | Day, Grant, Roberts | 19 min |
| Aug 9, 6:23 PM CDT | Special Weather Statement | ABR | Codington | 52 min |
| Aug 9, 6:28 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant | 47 min |
| Aug 9, 6:43 PM CDT | Special Weather Statement | ABR | Grant | 47 min |
Nearby
Special Weather Statements in South Dakota, 2017Every special weather statement in 2017
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.