Alert archive / Minnesota / Mesoscale Discussions in 2015
Mesoscale Discussion 1386
The Storm Prediction Center issued this mesoscale discussion at Jul 12, 2015, 11:55 PM CDT for 13 counties in Iowa; 36 counties in Minnesota; 23 counties in Wisconsin. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2015, 11:55 PM CDT (04:55 UTC)
- Expired
- Jul 13, 2015, 1:30 AM CDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 72 counties
Allamakee County, IA, Bremer County, IA, Butler County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Houston County, MN, Isanti County, MN, Kandiyohi County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Ramsey County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Winona County, MN, Wright County, MN, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Crawford County, WI, Dunn County, WI, Eau Claire County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Richland County, WI, Rusk County, WI, Saint Croix County, WI, Sauk County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Wood County, WI
The radar
The Minneapolis radar (KMPX), 59 km from the middle of the area, began a volume at 04:59 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, 4.9 hours before the alert went out and 61 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, 7:51 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Kossuth, Winnebago | 114 min |
| 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 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 Wisconsin, 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.