Alert archive / South Dakota / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 165, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 18, 2008, 11:54 PM CDT for Hughes County, Stanley County, Sully County, South Dakota. It was in force for 51 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 18, 2008, 11:54 PM CDT (04:54 UTC)
- Expired
- Jul 19, 2008, 12:45 AM CDT
- In force
- 51 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
Counties Hughes County, SD, Stanley County, SD, Sully County, SD
The radar
The Aberdeen radar (KABR), 181 km from the middle of the area, began a volume at 04:57 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 18, 5:32 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 18, 9:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 4.9 hours before the alert went out and 212 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
- 796 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1821 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 18, 3:58 PM CDT, 7 hours 56 minutes earlier.
Area forecast discussion, Jul 18, 3:58 PM CDT, 7 hours 56 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 18, 7:20 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 40 min |
| Jul 18, 8:01 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 29 min |
| Jul 18, 8:28 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 62 min |
| Jul 18, 9:29 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 61 min |
| Jul 18, 10:23 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 67 min |
| Jul 18, 11:05 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 55 min |
| Jul 19, 12:08 AM CDT | Flash Flood Warning | ABR | Dewey | 6 hr |
| Jul 19, 12:16 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 44 min |
| Jul 19, 12:41 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hughes, Hyde, Lyman, Stanley and 1 more | 64 min |
| Jul 19, 12:48 AM CDT | Areal Flood Advisory | ABR | Potter, Sully | 6 hr |
| Jul 19, 1:20 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hyde | 35 min |
| Jul 19, 4:02 AM CDT | Areal Flood Advisory | ABR | Brown, Faulk, Spink | 3 hr |
| Jul 19, 6:37 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 53 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.