Alert archive / Wisconsin / Mesoscale Discussions in 2024
Mesoscale Discussion 2007
The Storm Prediction Center issued this mesoscale discussion at Aug 26, 2024, 9:19 PM CDT for 25 counties in Wisconsin. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Aug 26, 2024, 9:19 PM CDT (02:19 UTC)
- Expired
- Aug 26, 2024, 10:45 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 651...653
All 25 counties
Barron County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Pepin County, WI, Polk County, WI, Price County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Shawano County, WI, Taylor County, WI, Trempealeau County, WI, Washburn County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 150 km from the middle of the area, began a volume at 02:22 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.3 hours before the alert went out and 224 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
- 2912 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1039 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.7
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 26, 7:51 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Chippewa, Clark, Eau Claire and 19 more | 84 min |
| Aug 26, 8:41 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Ashland, Bayfield, Brown, Buffalo, Calumet and 34 more | 7 hr |
| Aug 26, 11:11 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Florence, Forest, Kewaunee, Langlade and 12 more | 64 min |
| Aug 27, 5:57 AM CDT | Mesoscale Discussion | SPC | Barron, Chippewa, Dunn, Eau Claire, Pierce, Rusk and 1 more | 93 min |
| Aug 27, 11:25 AM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Jefferson, Kenosha, Kewaunee, Manitowoc and 8 more | 3 hr |
| Aug 27, 12:04 PM CDT | Severe Thunderstorm Watch | SPC | Kenosha, Milwaukee, Ozaukee, Racine, Rock, Walworth and 1 more | 2 hr |
| Aug 27, 4:47 PM CDT | Mesoscale Discussion | SPC | Kenosha, Walworth | 88 min |
| Aug 27, 5:09 PM CDT | Severe Thunderstorm Watch | SPC | Kenosha, Racine, Walworth | 6 hr |
Nearby
Mesoscale 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.