Alert archive / North Dakota / Mesoscale Discussions in 2004
Mesoscale Discussion 1484
The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2004, 2:10 PM CDT for 20 counties in Minnesota; 29 counties in North Dakota; 6 counties in South Dakota. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2004, 2:10 PM CDT (19:10 UTC)
- Expired
- Jul 3, 2004, 4:45 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 55 counties
Becker County, MN, Beltrami County, MN, Big Stone County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Stevens County, MN, Traverse County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier 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, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Rolette County, ND, Sargent County, ND, Sheridan County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND, Brown County, SD, Day County, SD, Grant County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD
The radar
The Fargo/Grand Forks radar (KMVX), 74 km from the middle of the area, began a volume at 19:13 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
International Fa, MN (KINL), launched 12:00Z, 7.2 hours before the alert went out and 247 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
- 661 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 3, 3:50 PM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Mellette, Oglala Lakota, Todd, Tripp | 115 min |
| Jul 3, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Mellette, Todd, Tripp | 7 hr |
| Jul 3, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Charles Mix, Douglas, Gregory, Hutchinson, Turner and 1 more | 7 hr |
Nearby
Mesoscale Discussions in North Dakota, 2004Mesoscale Discussions in Minnesota, 2004Mesoscale Discussions in South Dakota, 2004Every mesoscale discussion in 2004
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.