Alert archive / Michigan / Mesoscale Discussions in 2004
Mesoscale Discussion 1152
The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2004, 10:21 AM EST for 8 counties in Indiana; 33 counties in Michigan; Fulton County, Lucas County, Williams County, Ohio. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2004, 10:21 AM EST (15:21 UTC)
- Expired
- Jun 9, 2004, 12:15 PM EST
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 44 counties
DeKalb County, IN, Elkhart County, IN, LaGrange County, IN, LaPorte County, IN, Marshall County, IN, Noble County, IN, Saint Joseph County, IN, Steuben County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clinton County, MI, Eaton County, MI, Genesee County, MI, Gratiot County, MI, Hillsdale County, MI, Ingham County, MI, Ionia County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Montcalm County, MI, Oakland County, MI, Ottawa County, MI, Saginaw County, MI, Saint Clair County, MI, Saint Joseph County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Fulton County, OH, Lucas County, OH, Williams County, OH
The radar
The Detroit radar (KDTX), 92 km from the middle of the area, began a volume at 15:22 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 3.4 hours before the alert went out and 96 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
- 1547 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 34 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 |
|---|---|---|---|---|
| Jun 9, 11:35 AM EST | Severe Thunderstorm Watch | SPC | DeKalb, Steuben | 5 hr |
| Jun 9, 1:51 PM EST | Mesoscale Discussion | SPC | Steuben | 84 min |
| Jun 9, 4:27 PM EST | Mesoscale Discussion | SPC | Steuben | 63 min |
| Jun 9, 5:54 PM EST | Mesoscale Discussion | SPC | Bartholomew, Daviess, Dearborn, Decatur, Franklin, Gibson and 7 more | 96 min |
| Jun 9, 5:05 PM EST | Severe Thunderstorm Watch | SPC | Barry, Bay, Clinton, Eaton, Genesee, Gratiot and 23 more | 6 hr |
| Jun 9, 12:00 PM EST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Delaware, Erie and 16 more | 5 hr |
| Jun 9, 2:44 PM EST | Mesoscale Discussion | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Delaware, Erie and 15 more | 91 min |
| Jun 9, 4:50 PM EST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Carroll, Champaign, Columbiana, Crawford and 29 more | 4 hr |
Nearby
Mesoscale Discussions in Michigan, 2004Mesoscale Discussions in Indiana, 2004Mesoscale Discussions in Ohio, 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.