Alert archive / Minnesota / Mesoscale Discussions in 2015
Mesoscale Discussion 1382
The Storm Prediction Center issued this mesoscale discussion at Jul 12, 2015, 7:51 PM CDT for 4 counties in Iowa; 51 counties in Minnesota; Pierce County, Saint Croix County, Wisconsin. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2015, 7:51 PM CDT (00:51 UTC)
- Expired
- Jul 12, 2015, 9:45 PM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 57 counties
Dickinson County, IA, Emmet County, IA, Kossuth County, IA, Winnebago County, IA, Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon 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, Olmsted County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 81 km from the middle of the area, began a volume at 00:51 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, 0.9 hours before the alert went out and 79 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
- 3598 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1040 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 12.7
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 |
|---|---|---|---|---|
| Jul 12, 9:03 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Howard, Winneshiek | 117 min |
| Jul 12, 9:41 PM CDT | Mesoscale Discussion | SPC | Bremer, Butler, Cerro Gordo, Chickasaw, Floyd, Hancock and 4 more | 94 min |
| Jul 12, 9:59 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more | 6 hr |
| Jul 12, 11:55 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more | 95 min |
| Jul 13, 2:00 AM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette, Winneshiek | 2 hr |
| Jul 13, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee | 6 hr |
| Jul 13, 3:21 PM CDT | Mesoscale Discussion | SPC | Clinton | 84 min |
| Jul 13, 4:01 PM CDT | Tornado Watch | SPC | Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 3 more | 7 hr |
| Jul 13, 6:59 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 4 more | 91 min |
| Jul 12, 8:16 PM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Clay, Clearwater, Douglas, Grant and 13 more | 59 min |
| Jul 13, 1:51 PM CDT | Mesoscale Discussion | SPC | Anoka, Chisago, Dakota, Goodhue, Ramsey, Wabasha and 2 more | 84 min |
| Jul 13, 6:09 PM CDT | Mesoscale Discussion | SPC | Houston, Wabasha, Winona | 66 min |
| Jul 13, 3:49 AM CDT | Mesoscale Discussion | SPC | Kenosha, Rock, Walworth | 116 min |
| Jul 13, 4:14 AM CDT | Severe Thunderstorm Watch | SPC | Green, Jefferson, Kenosha, Lafayette, Milwaukee, Ozaukee and 5 more | 6 hr |
Nearby
Mesoscale Discussions in Minnesota, 2015Mesoscale Discussions in Iowa, 2015Mesoscale Discussions in Wisconsin, 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.