Alert archive / Minnesota / Mesoscale Discussions in 2018
Mesoscale Discussion 745
The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2018, 3:56 PM CDT for 6 counties in Iowa; 13 counties in Minnesota; 13 counties in Wisconsin. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 15, 2018, 3:56 PM CDT (20:56 UTC)
- Expired
- Jun 15, 2018, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 32 counties
Allamakee County, IA, Howard County, IA, Mitchell County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Rice County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Winona County, MN, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Crawford County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Trempealeau County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 91 km from the middle of the area, began a volume at 20:58 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, 8.9 hours before the alert went out and 137 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
- 957 J/kg
- Mixed-layer CIN
- -509 J/kg
- Mixed-layer LCL
- 1427 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 290 m²/s²
- 0-3 km storm-relative helicity
- 273 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 1:33 AM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Clay, Clearwater, Kittson, Koochiching and 8 more | 87 min |
| Jun 15, 2:41 AM CDT | Mesoscale Discussion | SPC | Cook, Lake | 3 hr |
| Jun 15, 11:26 AM CDT | Mesoscale Discussion | SPC | Aitkin, Benton, Carlton, Crow Wing, Kanabec, Mille Lacs and 2 more | 64 min |
| Jun 15, 6:01 PM CDT | Mesoscale Discussion | SPC | Jackson, Juneau, Monroe, Trempealeau | 89 min |
Nearby
Mesoscale Discussions in Minnesota, 2018Mesoscale Discussions in Wisconsin, 2018Mesoscale Discussions in Iowa, 2018Every mesoscale discussion in 2018
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.