Alert archive / Minnesota / Mesoscale Discussions in 2014
Mesoscale Discussion 1609
The Storm Prediction Center issued this mesoscale discussion at Aug 24, 2014, 6:03 PM CDT for 28 counties in Minnesota; 4 counties in Wisconsin. It was in force for 57 min.
The area
The outline as issued.
The facts
- Issued
- Aug 24, 2014, 6:03 PM CDT (23:03 UTC)
- Expired
- Aug 24, 2014, 7:00 PM CDT
- In force
- 57 min
- Issued by
- the Storm Prediction Center
All 32 counties
Aitkin County, MN, Anoka County, MN, Beltrami County, MN, Benton County, MN, Carlton County, MN, Carver County, MN, Cass County, MN, Chisago County, MN, Crow Wing County, MN, Dakota County, MN, Hennepin County, MN, Hubbard County, MN, Isanti County, MN, Itasca County, MN, Kanabec County, MN, Koochiching County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pine County, MN, Ramsey County, MN, Scott County, MN, Sherburne County, MN, Stearns County, MN, Wadena County, MN, Washington County, MN, Wright County, MN, Burnett County, WI, Pierce County, WI, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 147 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 146 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
- 1234 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 583 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 355 m²/s²
- 0-3 km storm-relative helicity
- 331 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.9
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 |
|---|---|---|---|---|
| Aug 24, 2:59 AM CDT | Mesoscale Discussion | SPC | Becker, Cass, Clearwater, Crow Wing, Hubbard, Mahnomen and 3 more | 91 min |
| Aug 24, 2:10 PM CDT | Mesoscale Discussion | SPC | Aitkin, Anoka, Becker, Beltrami, Benton, Carver and 30 more | 95 min |
| Aug 24, 3:45 PM CDT | Tornado Watch | SPC | Aitkin, Anoka, Beltrami, Benton, Carlton, Carver and 26 more | 7 hr |
Nearby
Mesoscale Discussions in Minnesota, 2014Mesoscale Discussions in Wisconsin, 2014Every mesoscale discussion in 2014
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.