Alert archive / North Dakota / Mesoscale Discussions in 2003
Mesoscale Discussion 1577
The Storm Prediction Center issued this mesoscale discussion at Jul 2, 2003, 9:20 AM CDT for 23 counties in North Dakota. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Jul 2, 2003, 9:20 AM CDT (14:20 UTC)
- Expired
- Jul 2, 2003, 11:15 AM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
All 23 counties
Barnes County, ND, Benson County, ND, Burleigh County, ND, Cavalier 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, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Rolette County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Walsh County, ND, Wells County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 135 km from the middle of the area, began a volume at 14:20 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, 2.3 hours before the alert went out and 152 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
- 2034 J/kg
- Mixed-layer CIN
- -295 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 67 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, 12:41 AM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 6 more | 2 hr |
| Jul 2, 7:00 AM CDT | Severe Thunderstorm Watch | SPC | Benson, Bottineau, Burleigh, Cavalier, Eddy, Emmons and 20 more | 6 hr |
| Jul 2, 11:00 AM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Grand Forks, Griggs, LaMoure, Nelson and 5 more | 60 min |
| Jul 2, 11:20 AM CDT | Severe Thunderstorm Watch | SPC | Barnes, Cass, Cavalier, Grand Forks, Griggs, Nelson and 7 more | 6 hr |
Nearby
Mesoscale Discussions in North 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.