Alert archive / Minnesota / Mesoscale Discussions in 2004
Mesoscale Discussion 765
The Storm Prediction Center issued this mesoscale discussion at May 19, 2004, 3:03 PM CDT for 11 counties in Iowa; 24 counties in Minnesota. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- May 19, 2004, 3:03 PM CDT (20:03 UTC)
- Expired
- May 19, 2004, 5:00 PM CDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 35 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Sioux County, IA, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Cottonwood County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Watonwan County, MN, Wright County, MN
The radar
The Sioux Falls radar (KFSD), 140 km from the middle of the area, began a volume at 20:06 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 12:00Z, 8.1 hours before the alert went out and 150 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
- 1572 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 58 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 |
|---|---|---|---|---|
| May 19, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Calhoun, Carroll, Cass and 24 more | 5 hr |
| May 19, 2:35 PM CDT | Mesoscale Discussion | SPC | Clay, Kittson, Marshall, Norman, Pennington, Polk and 2 more | 115 min |
| May 19, 3:00 PM CDT | Tornado Watch | SPC | Clay, Norman | 5 hr |
| May 19, 6:09 PM CDT | Mesoscale Discussion | SPC | Clay, Norman | 96 min |
Nearby
Mesoscale Discussions in Minnesota, 2004Mesoscale Discussions in Iowa, 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.