Alert archive / Minnesota / Mesoscale Discussions in 2015
Mesoscale Discussion 1693
The Storm Prediction Center issued this mesoscale discussion at Aug 16, 2015, 4:01 PM CDT for 5 states. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2015, 4:01 PM CDT (21:01 UTC)
- Expired
- Aug 16, 2015, 6:00 PM CDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 65 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Hancock County, IA, Ida County, IA, Kossuth County, IA, Lyon County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Sac County, IA, Sioux County, IA, Winnebago County, IA, Woodbury County, IA, Worth County, IA, Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Nicollet County, MN, Nobles County, MN, Olmsted County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Burt County, NE, Cedar County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Stanton County, NE, Thurston County, NE, Wayne County, NE, Clay County, SD, Lincoln County, SD, Union County, SD, Pierce County, WI, Polk County, WI, Saint Croix County, WI
The radar
The Sioux Falls radar (KFSD), 150 km from the middle of the area, began a volume at 21:01 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
Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 188 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1027 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 88 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 |
|---|---|---|---|---|
| Aug 15, 9:26 PM CDT | Mesoscale Discussion | SPC | Clay, Marshall, Norman, Pennington, Polk, Red Lake | 94 min |
| Aug 15, 11:13 PM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Clay, Clearwater, Douglas, Grant and 9 more | 62 min |
| Aug 15, 7:01 PM CDT | Mesoscale Discussion | SPC | Arthur, Boyd, Brown, Cherry, Garden, Grant and 7 more | 89 min |
| Aug 16, 1:08 PM CDT | Mesoscale Discussion | SPC | Kimball | 3 hr |
| Aug 16, 2:42 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Buffalo, Dawson, Franklin, Frontier and 15 more | 2 hr |
| Aug 16, 6:24 PM CDT | Mesoscale Discussion | SPC | Banner, Box Butte, Scotts Bluff, Sioux | 2 hr |
Nearby
Mesoscale Discussions in Minnesota, 2015Mesoscale Discussions in Iowa, 2015Mesoscale Discussions in Nebraska, 2015Every mesoscale discussion in 2015
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.