Alert archive / South Dakota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 162, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 25, 2015, 9:19 PM CDT for Lyman County, South Dakota. It was in force for 40 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 25, 2015, 9:19 PM CDT (02:19 UTC)
- Expired
- Jul 25, 2015, 9:59 PM CDT
- In force
- 40 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Lyman County, SD
The radar
The Aberdeen radar (KABR), 207 km from the middle of the area, began a volume at 02:24 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 25, 4:03 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 2.3 hours before the alert went out and 243 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
- 284 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 2344 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -89 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.1
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 25, 6:43 PM CDT, 2 hours 36 minutes earlier.
Area forecast discussion, Jul 25, 6:43 PM CDT, 2 hours 36 minutes before
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</html>Hazardous weather outlook, Jul 25, 3:54 AM CDT, 17 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 354 AM CDT SAT JUL 25 2015 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-260900- 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- 354 AM CDT SAT JUL 25 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 STORMS WILL AFFECT THE REGION THIS MORNING BUT THE SEVERE WEATHER THREAT WILL BE LOW UNTIL LATER THIS AFTERNOON. HIGH WINDS AND HAIL WILL BE THE MAIN THREAT THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY OFF AND ON CHANCES FOR STORMS EXISTS INTO THE START OF NEXT WEEK. SEVERE WEATHER POTENTIAL APPEARS LOW AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON AND EVENING. CONNELLY
In the hours before
Special weather statement, Jul 25, 6:01 PM CDT, 3 hours 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 601 PM CDT SAT JUL 25 2015 SDZ009-015-016-252345- WALWORTH SD-POTTER SD-DEWEY SD- 601 PM CDT SAT JUL 25 2015 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN DEWEY...SOUTHEASTERN WALWORTH AND NORTHWESTERN POTTER COUNTIES UNTIL 645 PM CDT/545 PM MDT/... AT 600 PM CDT /500 PM MDT/...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9 MILES SOUTH OF AKASKA...OR 15 MILES NORTHWEST OF GETTYSBURG...MOVING EAST AT 25 MPH. NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF EASTERN DEWEY... SOUTHEASTERN WALWORTH AND NORTHWESTERN POTTER COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN ABERDEEN. && A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT/1000 PM MDT/ FOR NORTH CENTRAL SOUTH DAKOTA. LAT...LON 4508 9981 4508 10022 4525 10027 4533 9987 TIME...MOT...LOC 2300Z 258DEG 20KT 4519 10012 VIPOND
Local storm report, Jul 25, 6:04 PM CDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
604 PM CDT SAT JUL 25 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 PM TSTM WND GST 10 S IPSWICH 45.30N 99.03W
07/25/2015 M60 MPH EDMUNDS SD FIRE DEPT/RESCUE
&&
EVENT NUMBER ABR1500676
WFOABRLocal storm report, Jul 25, 6:08 PM CDT, 3 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
608 PM CDT SAT JUL 25 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0555 PM TSTM WND GST 6 NW CRESBARD 45.23N 99.03W
07/25/2015 E60 MPH FAULK SD PUBLIC
2 TO 3 INCH BRANCHES DOWN
&&
EVENT NUMBER ABR1500677
WFOABRLocal storm report, Jul 25, 6:25 PM CDT, 2 hours 54 minutes before
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</html>Local storm report, Jul 25, 6:43 PM CDT, 2 hours 36 minutes before
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</html>Local storm report, Jul 25, 6:49 PM CDT, 2 hours 30 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 |
|---|---|---|---|---|
| Jul 25, 7:10 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 50 min |
| Jul 25, 7:36 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Spink | 39 min |
| Jul 25, 7:54 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 51 min |
| Jul 25, 8:06 PM CDT | Special Weather Statement | ABR | Codington, Hamlin | 39 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.