Alert archive / South Dakota / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 98, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 26, 2010, 10:57 AM CDT for Hand County, South Dakota. It was in force for 43 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
- Jun 26, 2010, 10:57 AM CDT (15:57 UTC)
- Expired
- Jun 26, 2010, 11:40 AM CDT
- In force
- 43 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Hand County, SD
The radar
The Aberdeen radar (KABR), 111 km from the middle of the area, began a volume at 15:57 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, 4.0 hours before the alert went out and 62 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
- 408 J/kg
- Mixed-layer CIN
- -334 J/kg
- Mixed-layer LCL
- 1263 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -57 m²/s²
- 0-3 km storm-relative helicity
- -2 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 Jun 26, 9:31 AM CDT, 1 hour 26 minutes earlier.
Area forecast discussion, Jun 26, 9:31 AM CDT, 1 hour 26 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 336 AM CDT SAT JUN 26 2010 SDZ003>005-009-010-015-016-270845- CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER- 336 AM CDT SAT JUN 26 2010 /236 AM MDT SAT JUN 26 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE EARLY THIS AFTERNOON AS A COLD FRONT BEGINS TO PUSH EAST ACROSS THE REGION. BY MIDNIGHT THE STORMS WILL HAVE PUSHED EAST INTO MINNESOTA. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS SUNDAY AFTERNOON. AT THIS POINT THEY ARE NOT EXPECTED TO BECOME SEVERE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED FOR COUNTIES EAST OF THE MISSOURI RIVER BY 3PM CDT. SDZ017-033>037-045-048-051-270845- FAULK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO- 336 AM CDT SAT JUN 26 2010 /236 AM MDT SAT JUN 26 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL SOUTH DAKOTA AND NORTH CENTRAL SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT AN APPROACHING COLD FRONT WILL AGAIN SET THE STAGE FOR POSSIBLE SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. THE STORMS ARE EXPECTED TO PUSH EAST OF THE AREA BY MIDNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO THUNDERSTORMS ARE FORECAST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED FOR COUNTIES ALONG AND EAST OF THE MISSOURI RIVER BY 3PM CDT. MNZ039-046-SDZ006>008-011-018>023-270845- TRAVERSE-BIG STONE-BROWN-MARSHALL-ROBERTS-DAY-SPINK-CLARK- CODINGTON-GRANT-HAMLIN-DEUEL- 336 AM CDT SAT JUN 26 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MINNESOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A STRONG COLD FRONT..COUPLED WITH AN UPPER LEVEL DISTURBANCE SLIDING THROUGH...WILL SET THE STAGE FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. SOME OF THE STORMS COULD BECOME SEVERE WITH VERY HEAVY RAIN POSSIBLE. THE STORMS ARE EXPECTED TO MOVE EAST OF THE AREA BY MIDNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS TO AGAIN DEVELOP ON SUNDAY. AT THIS TIME IT APPEARS THAT IF ANY STORMS DO FORM... THEY WILL NOT BECOME SEVERE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AFTER 4PM THIS AFTERNOON. HINTZ
In the hours before
Local storm report, Jun 26, 9:40 AM CDT, 1 hour 17 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 |
|---|---|---|---|---|
| Jun 25, 9:39 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 34 min |
| Jun 26, 3:07 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 38 min |
| Jun 26, 3:19 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 41 min |
| Jun 26, 3:24 PM CDT | Flash Flood Warning | ABR | Clark, Codington, Deuel, Hamlin | 3 hr |
| Jun 26, 3:41 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 49 min |
| Jun 26, 3:52 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Deuel, Hamlin | 38 min |
| Jun 26, 4:11 PM CDT | Flash Flood Warning | ABR | Buffalo, Hand | 3 hr |
| Jun 26, 4:16 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 44 min |
| Jun 26, 4:18 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 42 min |
| Jun 26, 4:33 PM CDT | Tornado Warning | ABR | Deuel | 16 min |
| Jun 26, 5:55 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 50 min |
| Jun 26, 6:24 PM CDT | Flash Flood Warning | ABR | Clark, Codington, Deuel, Hamlin | 4 hr |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2010Every severe thunderstorm warning in 2010
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.