Alert archive / Minnesota / Mesoscale Discussions in 2024
Mesoscale Discussion 2004
The Storm Prediction Center issued this mesoscale discussion at Aug 26, 2024, 6:44 PM CDT for 14 counties in Minnesota; 4 counties in Wisconsin. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Aug 26, 2024, 6:44 PM CDT (23:44 UTC)
- Expired
- Aug 26, 2024, 8:15 PM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 651
Counties Anoka County, MN, Blue Earth County, MN, Carver County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, Nicollet County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Dunn County, WI, Pierce County, WI, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 44 km from the middle of the area, began a volume at 23:44 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, 11.7 hours before the alert went out and 45 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
- 3708 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -3.5
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 |
|---|---|---|---|---|
| Aug 25, 11:53 PM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Big Stone, Chippewa, Clay, Clearwater and 21 more | 2 hr |
| Aug 26, 12:35 PM CDT | Mesoscale Discussion | SPC | Aitkin, Cass, Crow Wing, Douglas, Grant, Morrison and 6 more | 85 min |
| Aug 26, 2:38 PM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Benton, Big Stone, Cass, Chippewa, Crow Wing and 20 more | 5 hr |
| Aug 26, 2:43 PM CDT | Mesoscale Discussion | SPC | Benton, Big Stone, Brown, Carver, Cass, Chippewa and 30 more | 2 hr |
| Aug 26, 4:39 PM CDT | Mesoscale Discussion | SPC | Anoka, Blue Earth, Brown, Carver, Chisago, Cottonwood and 25 more | 96 min |
| Aug 26, 5:18 PM CDT | Severe Thunderstorm Watch | SPC | Anoka, Blue Earth, Brown, Carver, Chisago, Dakota and 15 more | 6 hr |
| Aug 26, 5:49 PM CDT | Severe Thunderstorm Watch | SPC | Cottonwood, Jackson, Nobles | 2 hr |
Nearby
Mesoscale Discussions in Minnesota, 2024Mesoscale Discussions in Wisconsin, 2024Every mesoscale discussion in 2024
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.