Alert archive / Minnesota / Mesoscale Discussions in 2015
Mesoscale Discussion 1082
The Storm Prediction Center issued this mesoscale discussion at Jun 20, 2015, 5:11 AM CDT for 11 counties in Iowa; 14 counties in Minnesota. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2015, 5:11 AM CDT (10:11 UTC)
- Expired
- Jun 20, 2015, 6:15 AM CDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
All 25 counties
Cerro Gordo County, IA, Clay County, IA, Emmet County, IA, Floyd County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Mitchell County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA, Blue Earth County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Le Sueur County, MN, Martin County, MN, Mower County, MN, Nicollet County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 140 km from the middle of the area, began a volume at 10:15 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 00:00Z, 10.2 hours before the alert went out and 139 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, 2:52 AM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola | 53 min |
| Jun 20, 3:18 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more | 3 hr |
| 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.