Alert archive / North Dakota / Mesoscale Discussions in 2003
Mesoscale Discussion 1574
The Storm Prediction Center issued this mesoscale discussion at Jul 1, 2003, 11:41 PM MDT for 9 counties in Montana; 12 counties in North Dakota; Harding County, Perkins County, South Dakota. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2003, 11:41 PM MDT (05:41 UTC)
- Expired
- Jul 2, 2003, 1:45 AM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Carter County, MT, Custer County, MT, Dawson County, MT, Fallon County, MT, McCone County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Wibaux County, MT, Adams County, ND, Billings County, ND, Bowman County, ND, Dunn County, ND, Golden Valley County, ND, Hettinger County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Slope County, ND, Stark County, ND, Williams County, ND, Harding County, SD, Perkins County, SD
The radar
The Glasgow radar (KGGW), 203 km from the middle of the area, began a volume at 05:42 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 nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 5.7 hours before the alert went out and 203 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
- 4155 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 137 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 |
|---|---|---|---|---|
| Jul 2, 6:00 AM MDT | Severe Thunderstorm Watch | SPC | Benson, Bottineau, Burleigh, Cavalier, Eddy, Emmons and 20 more | 6 hr |
| Jul 2, 8:20 AM MDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cavalier, Eddy, Emmons and 17 more | 115 min |
| Jul 2, 10:00 AM MDT | Mesoscale Discussion | SPC | Barnes, Cass, Grand Forks, Griggs, LaMoure, Nelson and 5 more | 60 min |
| Jul 2, 10:20 AM MDT | Severe Thunderstorm Watch | SPC | Barnes, Cass, Cavalier, Grand Forks, Griggs, Nelson and 7 more | 6 hr |
| Jul 2, 2:30 PM MDT | Mesoscale Discussion | SPC | Codington, Grant, Roberts | 2 hr |
Nearby
Mesoscale Discussions in North Dakota, 2003Mesoscale Discussions in Montana, 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.