Alert archive / Minnesota / Mesoscale Discussions in 2025
Mesoscale Discussion 1813
The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2025, 4:54 PM CDT for 5 counties in Minnesota. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2025, 4:54 PM CDT (21:54 UTC)
- Expired
- Jul 27, 2025, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 60%
Counties Beltrami County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 143 km from the middle of the area, began a volume at 21:55 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.9 hours before the alert went out and 338 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
- 1189 J/kg
- Mixed-layer CIN
- -261 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 |
|---|---|---|---|---|
| Jul 26, 11:48 PM CDT | Severe Thunderstorm Watch | SPC | Beltrami, Clearwater, Kittson, Lake of the Woods, Mahnomen, Marshall and 5 more | 7 hr |
| Jul 27, 1:09 AM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Cass, Clay, Clearwater, Hubbard and 9 more | 96 min |
| Jul 27, 3:23 AM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Cass, Clearwater, Hubbard, Itasca and 3 more | 97 min |
| Jul 27, 12:49 PM CDT | Mesoscale Discussion | SPC | Chippewa, Kandiyohi, Lac qui Parle, Lincoln, Lyon, Meeker and 4 more | 116 min |
| Jul 27, 4:25 PM CDT | Mesoscale Discussion | SPC | Benton, Big Stone, Chippewa, Douglas, Grant, Kandiyohi and 14 more | 35 min |
| Jul 27, 4:47 PM CDT | Severe Thunderstorm Watch | SPC | Anoka, Benton, Big Stone, Blue Earth, Brown, Carver and 46 more | 9 hr |
| Jul 27, 5:33 PM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 4 more | 5 hr |
Nearby
Mesoscale Discussions in Minnesota, 2025Every mesoscale discussion in 2025
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.