Alert archive / South Dakota / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 244, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 26, 2008, 7:33 PM MDT for 4 counties in South Dakota. It was in force for 57 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 26, 2008, 7:33 PM MDT (01:33 UTC)
- Expired
- Aug 26, 2008, 8:30 PM MDT
- In force
- 57 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
Counties Dewey County, SD, Potter County, SD, Stanley County, SD, Sully County, SD
The radar
The Aberdeen radar (KABR), 172 km from the middle of the area, began a volume at 01:36 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 |
|---|---|---|---|
| Aug 26, 3:56 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.6 hours before the alert went out and 160 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
- 70 J/kg
- Mixed-layer CIN
- -554 J/kg
- Mixed-layer LCL
- 1596 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 409 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 Aug 26, 7:21 PM MDT, 12 minutes earlier.
Area forecast discussion, Aug 26, 7:21 PM MDT, 12 minutes before
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</html>Hazardous weather outlook, Aug 26, 4:03 AM MDT, 15 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 503 AM CDT TUE AUG 26 2008 SDZ003>006-009-010-015>018-033>037-045-048-051-271015- CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DEWEY-POTTER- FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO- 503 AM CDT TUE AUG 26 2008 /403 AM MDT TUE AUG 26 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A COLD FRONT WILL APPROACH CENTRAL SOUTH DAKOTA DURING THE LATE AFTERNOON AND EARLY EVENING HOURS. SCATTERED THUNDERSTORMS ARE EXPECTED ALONG THIS FRONT...SOME OF WHICH COULD BECOME STRONG TO SEVERE WITH LARGE HAIL AND GUSTY WINDS IN EXCESS OF 55 MPH. THESE STORMS WILL MOVE EAST THROUGH THE EVENING...APPROACHING THE JAMES VALLEY AFTER DARK WHILE LOSING THEIR INTENSITY. STRONG SOUTH WINDS FROM 20 TO 35 MPH WILL BE FOUND TODAY ACROSS CENTRAL AND EASTERN SOUTH DAKOTA. GUSTS WILL REACH 40 TO 45 MPH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY AFTER 5 PM CDT /4 PM MDT/ FOR COUNTIES BORDERING THE MISSOURI RIVER ACROSS NORTH CENTRAL SOUTH DAKOTA. MNZ039-046-SDZ007-008-011-019>023-271015- TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT- HAMLIN-DEUEL- 503 AM CDT TUE AUG 26 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MINNESOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE AFTER DARK AS A COLD FRONT TRACKS EASTWARD ACROSS THE AREA. STORMS ARE NOT EXPECTED TO BE SEVERE BUT A FEW COULD BE ON THE STRONG SIDE WITH SMALL HAIL AND WIND GUSTS NEAR 45 MPH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A SLIGHT CHANCE FOR THUNDERSTORMS EXISTS ACROSS NORTHEASTERN SOUTH DAKOTA AND WEST CENTRAL MINNESOTA THURSDAY AFTERNOON AS A WEAK DISTURBANCE SLIDES THROUGH THE AREA. THESE STORMS ARE NOT EXPECTED TO HAVE THE POTENTIAL TO BECOME SEVERE AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. TMT
In the hours before
Local storm report, Aug 26, 6:26 PM MDT, 1 hour 7 minutes before
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</html>Local storm report, Aug 26, 7:31 PM MDT, 2 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 26, 6:06 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 39 min |
| Aug 26, 6:18 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 42 min |
| Aug 26, 7:10 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 22 min |
| Aug 26, 7:17 PM MDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 58 min |
| Aug 26, 8:14 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Potter, Walworth | 46 min |
| Aug 26, 8:29 PM MDT | Severe Thunderstorm Warning | ABR | Dewey, Sully | 24 min |
| Aug 26, 8:51 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 39 min |
| Aug 26, 9:00 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson, Walworth | 30 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2008Every severe thunderstorm warning in 2008
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.