Alert archive / Wisconsin / Mesoscale Discussions in 2022
Mesoscale Discussion 704
The Storm Prediction Center issued this mesoscale discussion at May 9, 2022, 7:48 PM CDT for 6 counties in Minnesota; 16 counties in Wisconsin. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- May 9, 2022, 7:48 PM CDT (00:48 UTC)
- Expired
- May 9, 2022, 9:15 PM CDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 194
All 22 counties
Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Washburn County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 86 km from the middle of the area, began a volume at 00:53 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 00:00Z, 0.8 hours before the alert went out and 175 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
- 923 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1801 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -82 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:17 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Crawford, Jackson, La Crosse, Monroe, Richland and 2 more | 5 hr |
| May 9, 9:05 PM CDT | Mesoscale Discussion | SPC | Crawford, Richland | 85 min |
| May 9, 11:07 PM CDT | Mesoscale Discussion | SPC | Adams, Crawford, Grant, Iowa, Juneau, Marquette and 6 more | 113 min |
| May 10, 12:45 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Columbia, Crawford, Dane and 26 more | 3 hr |
| May 10, 2:19 PM CDT | Tornado Watch | SPC | Adams, Brown, Calumet, Clark, Columbia, Crawford and 37 more | 7 hr |
| May 10, 6:45 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Clark, Columbia, Dodge and 24 more | 90 min |
Nearby
Mesoscale Discussions in Wisconsin, 2022Mesoscale Discussions in Minnesota, 2022Every mesoscale discussion in 2022
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.