Alert archive / Minnesota / Mesoscale Discussions in 2019
Mesoscale Discussion 1513
The Storm Prediction Center issued this mesoscale discussion at Jul 17, 2019, 10:43 PM CDT for 16 counties in Iowa; 18 counties in Minnesota; La Crosse County, Wisconsin. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 17, 2019, 10:43 PM CDT (03:43 UTC)
- Expired
- Jul 18, 2019, 12:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 35 counties
Allamakee County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clayton County, IA, Delaware County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Blue Earth County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Houston County, MN, Le Sueur County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Rice County, MN, Scott County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Watonwan County, MN, Winona County, MN, La Crosse County, WI
The radar
The La Crosse radar (KARX), 133 km from the middle of the area, began a volume at 03:45 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 00:00Z, 3.7 hours before the alert went out and 180 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
- 353 J/kg
- Mixed-layer CIN
- -324 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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 18, 4:54 PM CDT | Mesoscale Discussion | SPC | Lyon | 66 min |
| Jul 18, 5:30 PM CDT | Tornado Watch | SPC | Cerro Gordo, Dickinson, Emmet, Hancock, Kossuth, Lyon and 4 more | 4 hr |
| Jul 18, 12:28 PM CDT | Mesoscale Discussion | SPC | Ashland, Florence, Iron, Vilas | 3 hr |
Nearby
Mesoscale Discussions in Minnesota, 2019Mesoscale Discussions in Iowa, 2019Mesoscale Discussions in Wisconsin, 2019Every mesoscale discussion in 2019
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.