Alert archive / Minnesota / Mesoscale Discussions in 2004
Mesoscale Discussion 770
The Storm Prediction Center issued this mesoscale discussion at May 19, 2004, 7:31 PM CDT for 52 counties in Minnesota; 4 counties in North Dakota; 8 counties in South Dakota. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- May 19, 2004, 7:31 PM CDT (00:31 UTC)
- Expired
- May 19, 2004, 9:30 PM CDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
All 64 counties
Becker County, MN, Beltrami County, MN, Benton County, MN, Big Stone County, MN, Brown County, MN, Carver County, MN, Cass County, MN, Chippewa County, MN, Clay County, MN, Clearwater County, MN, Cottonwood County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Itasca County, MN, Kandiyohi County, MN, Kittson County, MN, Koochiching County, MN, Lac qui Parle County, MN, Lake of the Woods County, MN, Lincoln County, MN, Lyon County, MN, Mahnomen County, MN, Marshall County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Pipestone County, MN, Polk County, MN, Pope County, MN, Red Lake County, MN, Redwood County, MN, Renville County, MN, Roseau County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Wilkin County, MN, Wright County, MN, Yellow Medicine County, MN, Cass County, ND, Grand Forks County, ND, Richland County, ND, Traill County, ND, Brookings County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Kingsbury County, SD, Roberts County, SD
The radar
The Minneapolis radar (KMPX), 195 km from the middle of the area, began a volume at 00:31 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
Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 193 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
- 6 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 893 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 |
|---|---|---|---|---|
| May 19, 7:12 PM CDT | Mesoscale Discussion | SPC | Blue Earth, Dakota, Faribault, Fillmore, Goodhue, Martin and 8 more | 2 hr |
| May 19, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Beltrami, Big Stone, Cass, Chippewa, Clay and 28 more | 5 hr |
Nearby
Mesoscale Discussions in Minnesota, 2004Mesoscale Discussions in South Dakota, 2004Mesoscale Discussions in North 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.