Alert archive / South Dakota / Severe Thunderstorm Watches in 2006
Severe Thunderstorm Watch 698
The Storm Prediction Center issued this severe thunderstorm watch at Aug 9, 2006, 9:37 PM CDT for Big Stone County, Traverse County, Minnesota; 12 counties in South Dakota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2006, 9:37 PM CDT (02:37 UTC)
- Expired
- Aug 10, 2006, 2:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Big Stone County, MN, Traverse County, MN, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Edmunds County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD, Spink County, SD
The radar
The Aberdeen radar (KABR), 33 km from the middle of the area, began a volume at 02:37 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 5%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 9:44 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 31 min |
| Aug 9, 10:06 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk | 39 min |
| Aug 9, 10:54 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 51 min |
| Aug 9, 11:45 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 60 min |
| Aug 10, 1:04 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington | 26 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 7:54 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 8 more | 4 hr |
| Aug 9, 8:07 PM CDT | Mesoscale Discussion | SPC | Big Stone, Lincoln, Pipestone, Rock | 83 min |
| Aug 10, 12:52 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Davison, Douglas, Hanson and 10 more | 83 min |
| Aug 10, 2:52 AM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Edmunds, McPherson | 83 min |
| Aug 10, 3:07 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Buffalo, Butte, Campbell, Corson and 22 more | 113 min |
| Aug 10, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | Buffalo, Butte, Campbell, Corson, Dewey, Faulk and 14 more | 7 hr |
| Aug 10, 6:04 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 22 more | 86 min |
Nearby
Severe Thunderstorm Watches in South Dakota, 2006Severe Thunderstorm Watches in Minnesota, 2006Every severe thunderstorm watch in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.