Alert archive / South Dakota / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 209, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Sep 12, 2005, 9:21 AM CDT for Buffalo County, Lyman County, South Dakota. It was in force for 39 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
- Sep 12, 2005, 9:21 AM CDT (14:21 UTC)
- Expired
- Sep 12, 2005, 10:00 AM CDT
- In force
- 39 min
- Issued by
- NWS Aberdeen, SD
- Area
- Counties, with a storm outline in the text
Counties Buffalo County, SD, Lyman County, SD
The radar
The Aberdeen radar (KABR), 186 km from the middle of the area, began a volume at 14:21 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, 2.4 hours before the alert went out and 135 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1476 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 153 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 Sep 12, 3:55 AM CDT, 5 hours 26 minutes earlier.
Area forecast discussion, Sep 12, 3:55 AM CDT, 5 hours 26 minutes before
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</html>Hazardous weather outlook, Sep 12, 5:32 AM CDT, 3 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 532 AM CDT MON SEP 12 2005 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-131045- 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- 532 AM CDT MON SEP 12 2005 /432 AM MDT MON SEP 12 2005/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL SOUTH DAKOTA...CENTRAL SOUTH DAKOTA...NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ALONG A LINE FROM PIERRE TO WATERTOWN WILL MOVE NORTH VERY EARLY THIS MORNING. THIS ACTIVITY WILL CONTINUE TO MOVE NORTH OVER THE NEXT SEVERAL HOURS...PRODUCING BRIEF HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLY SOME SMALL HAIL. MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGHOUT THE DAY ACROSS EASTERN SOUTH DAKOTA WITH LIGHTNING AND HAIL BEING THE MAIN THREATS. THERE IS A SLIGHT RISK FOR SEVERE WEATHER ACROSS THE AREA. TONIGHT ANOTHER DISTURBANCE WILL MOVE INTO THE WESTERN DAKOTAS. THUNDERSTORMS WILL BE POSSIBLE ACROSS CENTRAL SOUTH DAKOTA WITH LIGHTNING BEING THE MAIN THREAT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A CHANCE OF THUNDERSTORMS EXISTS FOR WEDNESDAY NIGHT WITH LIGHTNING BEING THE MAIN THREAT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BECOME NECESSARY THIS AFTERNOON...MAINLY SOUTH OF A LINE FROM PIERRE TO SUMMIT. TMT
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 66 min |
| Sep 12, 5:40 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 65 min |
| Sep 12, 5:49 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 56 min |
| Sep 12, 6:43 PM CDT | Tornado Warning | ABR | Deuel | 32 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2005Every severe thunderstorm warning in 2005
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.