Alert archive / South Dakota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 163, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 27, 2015, 7:45 PM MDT for Corson County, Dewey County, South Dakota. It was in force for 60 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 27, 2015, 7:45 PM MDT (01:45 UTC)
- Expired
- Jul 27, 2015, 8:45 PM MDT
- In force
- 60 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Corson County, SD, Dewey County, SD
The radar
The Bismarck radar (KBIS), 150 km from the middle of the area, began a volume at 01:48 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 27, 6:31 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.8 hours before the alert went out and 151 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
- 1379 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 2017 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 27, 5:33 PM MDT, 2 hours 12 minutes earlier.
Area forecast discussion, Jul 27, 5:33 PM MDT, 2 hours 12 minutes before
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</html>Hazardous weather outlook, Jul 27, 2:32 PM MDT, 5 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 332 PM CDT MON JUL 27 2015 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-282045- 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- 332 PM CDT MON JUL 27 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA THIS AFTERNOON. HOWEVER...THE BEST CHANCES FOR THUNDERSTORMS WILL BE ALONG A COLD FRONT WHICH WILL TRACK ACROSS THE REGION TONIGHT. ANY STORMS THAT DEVELOP MAY BECOME SEVERE. DAMAGING WINDS...LARGE HAIL...AND HEAVY RAIN ARE THE MAIN THREATS...BUT ISOLATED TORNADOS CANNOT BE RULED OUT EITHER. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY VERY STRONG AND GUSTY WEST TO NORTHWEST WINDS ARE EXPECTED TUESDAY AFTERNOON...ESPECIALLY OVER PARTS OF NORTHWEST AND NORTH CENTRAL SOUTH DAKOTA. WIND GUSTS IN EXCESS OF 50 MPH ARE POSSIBLE TUESDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT. SERR
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 8:42 PM MDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 33 min |
| Jul 27, 8:45 PM MDT | Special Weather Statement | ABR | Dewey | 45 min |
| Jul 27, 9:15 PM MDT | Severe Thunderstorm Warning | ABR | Hughes, Jones, Lyman, Stanley, Sully | 45 min |
| Jul 27, 9:17 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Potter, Walworth | 58 min |
| Jul 27, 10:01 PM MDT | Special Weather Statement | ABR | Lyman | 44 min |
| Jul 27, 10:17 PM MDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 43 min |
| Jul 27, 10:56 PM MDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hughes, Hyde, Lyman | 49 min |
| Jul 27, 11:41 PM MDT | Severe Thunderstorm Warning | ABR | Buffalo, Faulk, Hand, Hyde, Spink | 49 min |
| Jul 28, 12:00 AM MDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 60 min |
| Jul 28, 12:23 AM MDT | Severe Thunderstorm Warning | ABR | Clark, Day, Spink | 56 min |
| Jul 28, 1:24 AM MDT | Special Weather Statement | ABR | Marshall | 51 min |
| Jul 28, 1:48 AM MDT | Special Weather Statement | ABR | Grant | 57 min |
| Jul 28, 2:46 AM MDT | Wind Advisory | ABR | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 8 more | 18 hr |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2015Every severe thunderstorm warning in 2015
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.