Alert archive / Wisconsin / Mesoscale Discussions in 2019
Mesoscale Discussion 2013
The Storm Prediction Center issued this mesoscale discussion at Sep 24, 2019, 7:52 PM EDT for 7 counties in Michigan; 23 counties in Wisconsin. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Sep 24, 2019, 7:52 PM EDT (23:52 UTC)
- Expired
- Sep 24, 2019, 8:45 PM EDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 30 counties
Baraga County, MI, Dickinson County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Marquette County, MI, Ontonagon County, MI, Ashland County, WI, Chippewa County, WI, Clark County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Jackson County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oneida County, WI, Portage County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Shawano County, WI, Taylor County, WI, Vilas County, WI, Washburn County, WI, Waupaca County, WI, Wood County, WI
The radar
The Marquette radar (KMQT), 192 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 314 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
- 8 J/kg
- Mixed-layer CIN
- -631 J/kg
- Mixed-layer LCL
- 1368 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 207 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 |
|---|---|---|---|---|
| Sep 24, 4:13 PM EDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Clark, Dunn, Eau Claire and 10 more | 3 hr |
| Sep 24, 5:43 PM EDT | Tornado Watch | SPC | Barron, Buffalo, Chippewa, Dunn, Eau Claire, Pepin and 5 more | 7 hr |
| Sep 24, 7:33 PM EDT | Mesoscale Discussion | SPC | Barron, Dunn, Pepin, Pierce, Polk, Saint Croix | 117 min |
Nearby
Mesoscale Discussions in Wisconsin, 2019Mesoscale Discussions in Michigan, 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.