Alert archive / North Dakota / Mesoscale Discussions in 2008
Mesoscale Discussion 2274
The Storm Prediction Center issued this mesoscale discussion at Sep 22, 2008, 5:10 PM CDT for 23 counties in North Dakota; Campbell County, McPherson County, South Dakota. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Sep 22, 2008, 5:10 PM CDT (22:10 UTC)
- Expired
- Sep 22, 2008, 6:15 PM CDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 25 counties
Barnes County, ND, Benson County, ND, Burleigh County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Pierce County, ND, Ramsey County, ND, Ransom County, ND, Sheridan County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Walsh County, ND, Wells County, ND, Campbell County, SD, McPherson County, SD
The radar
The Bismarck radar (KBIS), 110 km from the middle of the area, began a volume at 22:12 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 10.2 hours before the alert went out and 415 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
- 2168 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 5:21 PM CDT | Mesoscale Discussion | SPC | Bennett, Dewey, Fall River, Haakon, Hughes, Jackson and 7 more | 84 min |
| Sep 22, 5:57 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Brown, Campbell, Corson, Dewey, Edmunds and 19 more | 7 hr |
Nearby
Mesoscale Discussions in North Dakota, 2008Mesoscale Discussions in South Dakota, 2008Every mesoscale discussion 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.