Alert archive / Minnesota / Mesoscale Discussions in 2015
Mesoscale Discussion 1081
The Storm Prediction Center issued this mesoscale discussion at Jun 20, 2015, 2:52 AM CDT for 4 counties in Iowa; 18 counties in Minnesota. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2015, 2:52 AM CDT (07:52 UTC)
- Expired
- Jun 20, 2015, 3:45 AM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 22 counties
Dickinson County, IA, Emmet County, IA, Lyon County, IA, Osceola County, IA, Blue Earth County, MN, Brown County, MN, Cottonwood County, MN, Faribault County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Sibley County, MN, Watonwan County, MN, Yellow Medicine County, MN
The radar
The Sioux Falls radar (KFSD), 127 km from the middle of the area, began a volume at 07:53 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, 7.9 hours before the alert went out and 168 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
- 1595 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 358 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 |
|---|---|---|---|---|
| Jun 20, 3:18 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more | 3 hr |
| Jun 20, 5:11 AM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Clay, Emmet, Floyd, Hancock, Humboldt and 5 more | 64 min |
| Jun 20, 12:48 PM CDT | Mesoscale Discussion | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 50 more | 117 min |
| Jun 20, 3:10 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Cass, Cedar and 37 more | 2 hr |
| Jun 20, 3:49 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Boone, Cedar, Clarke, Dallas and 34 more | 7 hr |
| Jun 20, 6:33 PM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Clarke, Dallas, Davis, Decatur and 26 more | 57 min |
Nearby
Mesoscale Discussions in Minnesota, 2015Mesoscale Discussions in Iowa, 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.