Alert archive / North Dakota / Mesoscale Discussions in 2003
Mesoscale Discussion 2289
The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2003, 1:34 PM MDT for 27 counties in North Dakota; 12 counties in South Dakota. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2003, 1:34 PM MDT (19:34 UTC)
- Expired
- Aug 27, 2003, 4:00 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 39 counties
Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Williams County, ND, Butte County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Haakon County, SD, Harding County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Stanley County, SD, Walworth County, SD, Ziebach County, SD
The radar
The Bismarck radar (KBIS), 155 km from the middle of the area, began a volume at 19:36 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 12:00Z, 7.6 hours before the alert went out and 158 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
- 1832 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 429 m²/s²
- 0-3 km storm-relative helicity
- 519 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 |
|---|---|---|---|---|
| Aug 27, 3:20 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Bottineau, Burke, Burleigh, Divide, Dunn and 21 more | 6 hr |
| Aug 27, 5:01 PM MDT | Mesoscale Discussion | SPC | Bennett, Campbell, Corson, Dewey, Haakon, Hughes and 16 more | 59 min |
| Aug 27, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | Bennett, Campbell, Corson, Dewey, Haakon, Hughes and 12 more | 6 hr |
Nearby
Mesoscale Discussions in North Dakota, 2003Mesoscale Discussions in South Dakota, 2003Every mesoscale discussion in 2003
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.