Alert archive / Wisconsin / Mesoscale Discussions in 2004
Mesoscale Discussion 2214
The Storm Prediction Center issued this mesoscale discussion at Sep 15, 2004, 10:47 AM CDT for 12 counties in Minnesota; 21 counties in Wisconsin. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Sep 15, 2004, 10:47 AM CDT (15:47 UTC)
- Expired
- Sep 15, 2004, 12:15 PM CDT
- In force
- 88 min
- Issued by
- the Storm Prediction Center
All 33 counties
Chisago County, MN, Dakota County, MN, Dodge County, MN, Fillmore County, MN, Goodhue County, MN, Houston County, MN, Olmsted County, MN, Ramsey County, MN, Rice County, MN, Wabasha County, MN, Washington County, MN, Winona County, MN, Barron County, WI, Buffalo County, WI, Burnett 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, Pierce County, WI, Polk County, WI, Price County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Washburn County, WI
The radar
The La Crosse radar (KARX), 103 km from the middle of the area, began a volume at 15:48 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, 3.8 hours before the alert went out and 148 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
- 4 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 473 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
<!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 |
|---|---|---|---|---|
| Sep 14, 7:17 PM CDT | Mesoscale Discussion | SPC | Freeborn | 118 min |
| Sep 14, 8:16 PM CDT | Mesoscale Discussion | SPC | Fillmore, Houston, Mower, Olmsted, Winona | 3 hr |
| Sep 15, 12:25 PM CDT | Tornado Watch | SPC | Carlton, Dodge, Fillmore, Goodhue, Houston, Mower and 4 more | 8 hr |
| Sep 15, 3:23 PM CDT | Mesoscale Discussion | SPC | Carlton | 97 min |
Nearby
Mesoscale Discussions in Wisconsin, 2004Mesoscale Discussions in Minnesota, 2004Every mesoscale discussion in 2004
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.