Alert archive / South Dakota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 185, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 9, 2015, 5:17 AM CDT for Brown County, Day County, South Dakota. It was in force for 24 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 9, 2015, 5:17 AM CDT (10:17 UTC)
- Expired
- Aug 9, 2015, 5:41 AM CDT
- In force
- 24 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Brown County, SD, Day County, SD
The radar
The Aberdeen radar (KABR), 34 km from the middle of the area, began a volume at 10:17 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, 10.3 hours before the alert went out and 72 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
- 18 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 1884 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 Aug 9, 3:24 AM CDT, 1 hour 53 minutes earlier.
Area forecast discussion, Aug 9, 3:24 AM CDT, 1 hour 53 minutes before
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</html>Hazardous weather outlook, Aug 9, 4:11 AM CDT, 1 hour 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 411 AM CDT SUN AUG 9 2015 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-100915- 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- 411 AM CDT SUN AUG 9 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...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE THROUGH THE MID MORNING HOURS ACROSS EASTERN SOUTH DAKOTA AND WESTERN MINNESOTA. SEVERE STORMS ARE NOT EXPECTED. ADDITIONAL THUNDERSTORMS ARE EXPECTED LATER THIS AFTERNOON. SOME THUNDERSTORMS IN CENTRAL SOUTH DAKOTA COULD BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS POSSIBLE. THE THUNDERSTORMS SHOULD PROGRESS SOUTHEAST OF THE REGION BY THIS EVENING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATER THIS AFTERNOON. SD
In the hours before
Special weather statement, Aug 9, 12:38 AM CDT, 4 hours 39 minutes before
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</html>Special weather statement, Aug 9, 2:38 AM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
238 AM CDT SUN AUG 9 2015
SDZ048-090815-
LYMAN SD-
238 AM CDT SUN AUG 9 2015
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LYMAN COUNTY UNTIL
315 AM CDT...
AT 236 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
HAMILL...OR 14 MILES NORTHEAST OF WINNER...MOVING EAST AT 40 MPH.
HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.
LAT...LON 4366 9962 4368 9947 4365 9945 4366 9940
4366 9937 4363 9935 4357 9933 4353 9928
4350 9929 4350 9962
TIME...MOT...LOC 0736Z 266DEG 34KT 4356 9974
SDSpecial weather statement, Aug 9, 3:08 AM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 308 AM CDT SUN AUG 9 2015 SDZ005-010-017-090900- MCPHERSON SD-FAULK SD-EDMUNDS SD- 308 AM CDT SUN AUG 9 2015 ...SIGNIFICANT WEATHER ADVISORY FOR EDMUNDS...NORTHERN FAULK AND SOUTHEASTERN MCPHERSON COUNTIES UNTIL 400 AM CDT... AT 307 AM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES SOUTHEAST OF NEW TOWN CORNER TO NEAR BURKMERE...AND MOVING NORTHEAST AT 40 MPH. DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... IPSWICH...ROSCOE...CRESBARD...CHELSEA...DEVOE...ONAKA...WETONKA... LONG LAKE COLONY...DEERFIELD COLONY...NORTH SCATTERWOOD LAKE... GRASSLAND COLONY...BURKMERE...MINA...PEMBROOK COLONY...BRENTWOOD COLONY...CRAVENS CORNER...SOUTH SCATTERWOOD LAKE...LOYALTON... PLAINVIEW COLONY AND NORBECK. LAT...LON 4569 9876 4510 9873 4502 9948 4551 9953 TIME...MOT...LOC 0807Z 242DEG 33KT 4564 9927 4503 9927 WISE
Special weather statement, Aug 9, 3:59 AM CDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 359 AM CDT SUN AUG 9 2015 SDZ005-006-010-091000- MCPHERSON SD-BROWN SD-EDMUNDS SD- 359 AM CDT SUN AUG 9 2015 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BROWN...EASTERN EDMUNDS AND SOUTHEASTERN MCPHERSON COUNTIES UNTIL 500 AM CDT... AT 359 AM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF LEOLA TO SOUTH SCATTERWOOD LAKE...AND MOVING EAST AT 20 MPH. DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... IPSWICH...WARNER...WETONKA...MINA...RICHMOND LAKE REC AREA...CRAVENS CORNER...LONG LAKE COLONY...DEERFIELD COLONY...MINA LAKE REC AREA... PLAINVIEW COLONY...PEMBROOK COLONY AND NORTH SCATTERWOOD LAKE. LAT...LON 4569 9868 4528 9846 4525 9891 4555 9911 TIME...MOT...LOC 0859Z 259DEG 16KT 4569 9907 4520 9877 WISE
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Stanley, Sully | 48 min |
| Aug 8, 8:08 PM CDT | Special Weather Statement | ABR | Potter | 52 min |
| Aug 8, 8:23 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 52 min |
| Aug 8, 9:19 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 56 min |
| Aug 9, 12:38 AM CDT | Special Weather Statement | ABR | Dewey, Walworth | 67 min |
| Aug 9, 12:42 AM CDT | Special Weather Statement | ABR | Jones | 33 min |
| Aug 9, 2:38 AM CDT | Special Weather Statement | ABR | Brule | 37 min |
| Aug 9, 3:08 AM CDT | Special Weather Statement | ABR | Edmunds, Faulk | 52 min |
| Aug 9, 3:59 AM CDT | Special Weather Statement | ABR | Edmunds | 61 min |
| Aug 9, 7:31 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Grant | 21 min |
| Aug 9, 1:00 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter, Walworth | 45 min |
| Aug 9, 2:20 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk | 40 min |
| Aug 9, 2:36 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 39 min |
| Aug 9, 2:52 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde, Potter | 38 min |
| Aug 9, 3:29 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 46 min |
| Aug 9, 4:01 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Spink | 44 min |
| Aug 9, 4:47 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 43 min |
| Aug 9, 5:30 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin, Spink | 45 min |
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.