Alert archive / North Dakota / Mesoscale Discussions in 2006
Mesoscale Discussion 1865
The Storm Prediction Center issued this mesoscale discussion at Aug 24, 2006, 3:14 AM MDT for 8 counties in Montana; 14 counties in North Dakota. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Aug 24, 2006, 3:14 AM MDT (09:14 UTC)
- Expired
- Aug 24, 2006, 4:45 AM MDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 22 counties
Dawson County, MT, Fallon County, MT, McCone County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Wibaux County, MT, Billings County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Stark County, ND, Ward County, ND, Williams County, ND
The radar
The Bismarck radar (KBIS), 205 km from the middle of the area, began a volume at 09:16 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.2 hours before the alert went out and 209 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
- 3169 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1732 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.4
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 |
|---|---|---|---|---|
| Aug 24, 3:42 AM MDT | Severe Thunderstorm Watch | SPC | Dawson, Richland, Roosevelt, Sheridan, Wibaux | 7 hr |
| Aug 23, 7:05 PM MDT | Mesoscale Discussion | SPC | Adams, Billings, Burleigh, Dunn, Emmons, Grant and 8 more | 85 min |
| Aug 24, 7:00 AM MDT | Mesoscale Discussion | SPC | Benson, Bottineau, Burke, Burleigh, Dunn, Eddy and 22 more | 2 hr |
| Aug 24, 10:52 AM MDT | Severe Thunderstorm Watch | SPC | Adams, Barnes, Benson, Bottineau, Burke, Burleigh and 31 more | 5 hr |
| Aug 24, 1:57 PM MDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cass, Dickey, Eddy and 16 more | 2 hr |
| Aug 24, 2:40 PM MDT | Tornado Watch | SPC | Barnes, Benson, Cass, Dickey, Eddy, Emmons and 15 more | 6 hr |
| Aug 24, 5:03 PM MDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, LaMoure, Ransom, Richland and 1 more | 87 min |
Nearby
Mesoscale Discussions in North Dakota, 2006Mesoscale Discussions in Montana, 2006Every mesoscale discussion 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.