Alert archive / Minnesota / Mesoscale Discussions in 2018
Mesoscale Discussion 109
The Storm Prediction Center issued this mesoscale discussion at Mar 5, 2018, 1:17 PM CST for 5 counties in Iowa; 33 counties in Minnesota; 6 counties in Wisconsin. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 5, 2018, 1:17 PM CST (19:17 UTC)
- Expired
- Mar 5, 2018, 5:45 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 44 counties
Allamakee County, IA, Clayton County, IA, Fayette County, IA, Howard County, IA, Winneshiek County, IA, Anoka County, MN, Big Stone County, MN, Carver County, MN, Chippewa County, MN, Dakota County, MN, Dodge County, MN, Douglas County, MN, Fillmore County, MN, Goodhue County, MN, Grant County, MN, Hennepin County, MN, Houston County, MN, Kandiyohi County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Mower County, MN, Olmsted County, MN, Pope County, MN, Ramsey 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, Traverse County, MN, Wabasha County, MN, Washington County, MN, Winona County, MN, Wright County, MN, Buffalo County, WI, Crawford County, WI, La Crosse County, WI, Pepin County, WI, Pierce County, WI, Vernon County, WI
The radar
The Minneapolis radar (KMPX), 50 km from the middle of the area, began a volume at 19:17 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
Omaha, NE (KOAX), launched 12:00Z, 7.3 hours before the alert went out and 408 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
- 493 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 382 m²/s²
- 0-3 km storm-relative helicity
- 387 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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.