Alert archive / South Dakota / Flash Flood Warnings in 2010
Flash Flood Warning 11, NWS Aberdeen, SD
NWS Aberdeen, SD issued this flash flood warning at Jul 6, 2010, 9:48 PM CDT for Hand County, Hyde County, 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
- Jul 6, 2010, 9:48 PM CDT (02:48 UTC)
- Expired
- Jul 6, 2010, 10:45 PM CDT
- In force
- 57 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hand County, SD, Hyde County, SD
The radar
The Aberdeen radar (KABR), 120 km from the middle of the area, began a volume at 02:48 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, 2.8 hours before the alert went out and 77 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
- 1773 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 441 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 6, 3:26 PM CDT, 6 hours 22 minutes earlier.
Area forecast discussion, Jul 6, 3:26 PM CDT, 6 hours 22 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 442 AM CDT TUE JUL 6 2010 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-070945- 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- 442 AM CDT TUE JUL 6 2010 /342 AM MDT TUE JUL 6 2010/ 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 SHOWERS AND THUNDERSTORMS ARE LIKELY ACROSS THE REGION THIS EVENING THROUGH THE NIGHT. INITIALLY...SOME SEVERE STORMS ARE POSSIBLE IN THE EVENING FOR CENTRAL SOUTH DAKOTA. WITH THE REST OF THE THUNDERSTORMS...LOCALIZED HEAVY RAINFALL IS POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY RESIDUAL SHOWERS AND THUNDERSTORMS ARE POSSIBLE WEDNESDAY...ESPECIALLY IN THE EAST. OTHERWISE THE NEXT CHANCES FOR SHOWERS AND THUNDERSTORMS ARE SATURDAY THROUGH MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. ATG
In the hours before
Local storm report, Jul 6, 3:57 PM CDT, 5 hours 51 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 6, 7:13 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 47 min |
| Jul 6, 7:49 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 41 min |
| Jul 6, 8:29 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 46 min |
| Jul 6, 8:31 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 44 min |
| Jul 6, 9:07 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 38 min |
| Jul 6, 10:57 PM CDT | Flash Flood Warning | ABR | Faulk, Hand, Hyde | 4 hr |
| Jul 6, 11:13 PM CDT | Flash Flood Warning | ABR | Clark, Spink | 5 hr |
| Jul 7, 8:58 AM CDT | Areal Flood Warning | ABR | Clark, Codington, Day, Hamlin, Hand, Spink | 48 hr |
| Jul 7, 10:15 AM CDT | Areal Flood Warning | ABR | Hamlin | 23 hr |
| Jul 7, 11:07 AM CDT | River Flood Warning | ABR | Spink | 8 days |
Nearby
Flash Flood Warnings in South Dakota, 2010Every flash flood 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.