Alert archive / Minnesota / Mesoscale Discussions in 2017
Mesoscale Discussion 1422
The Storm Prediction Center issued this mesoscale discussion at Jul 25, 2017, 6:25 PM CDT for 32 counties in Minnesota; 7 counties in Nebraska; 29 counties in South Dakota. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Jul 25, 2017, 6:25 PM CDT (23:25 UTC)
- Expired
- Jul 25, 2017, 8:00 PM CDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 68 counties
Anoka County, MN, Benton County, MN, Big Stone County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Dakota County, MN, Hennepin County, MN, Isanti County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, McLeod County, MN, Meeker County, MN, Murray County, MN, Nicollet County, MN, Pipestone County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Swift County, MN, Washington County, MN, Wright County, MN, Yellow Medicine County, MN, Boyd County, NE, Brown County, NE, Cherry County, NE, Grant County, NE, Hooker County, NE, Keya Paha County, NE, Rock County, NE, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Clark County, SD, Codington County, SD, Davison County, SD, Deuel County, SD, Douglas County, SD, Grant County, SD, Gregory County, SD, Hamlin County, SD, Hand County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lyman County, SD, McCook County, SD, Mellette County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Todd County, SD, Tripp County, SD
The radar
The Sioux Falls radar (KFSD), 53 km from the middle of the area, began a volume at 23:24 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
Aberdeen, SD (KABR), launched 12:00Z, 11.4 hours before the alert went out and 144 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
- 853 J/kg
- Mixed-layer CIN
- -568 J/kg
- Mixed-layer LCL
- 1011 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 238 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 |
|---|---|---|---|---|
| Jul 25, 3:21 PM CDT | Mesoscale Discussion | SPC | Anoka, Benton, Brown, Carver, Chippewa, Dakota and 23 more | 2 hr |
| Jul 25, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 7 hr |
| Jul 25, 2:41 PM CDT | Mesoscale Discussion | SPC | Boyd, Cherry, Keya Paha, Sheridan | 2 hr |
| Jul 25, 3:22 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Cherry, Grant, Hooker, Keya Paha, Sheridan and 1 more | 8 hr |
Nearby
Mesoscale Discussions in Minnesota, 2017Mesoscale Discussions in South Dakota, 2017Mesoscale Discussions in Nebraska, 2017Every mesoscale discussion in 2017
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.