Alert archive / North Dakota / Mesoscale Discussions in 2012
Mesoscale Discussion 1290
The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2012, 2:06 PM MDT for 11 counties in Montana; 18 counties in North Dakota; 7 counties in South Dakota. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2012, 2:06 PM MDT (20:06 UTC)
- Expired
- Jun 26, 2012, 3:00 PM MDT
- In force
- 54 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 36 counties
Daniels County, MT, Dawson County, MT, Fallon County, MT, McCone County, MT, Phillips County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Valley County, MT, Wibaux County, MT, Adams County, ND, Billings County, ND, Bowman County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Williams County, ND, Butte County, SD, Corson County, SD, Harding County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Ziebach County, SD
The radar
The Glasgow radar (KGGW), 234 km from the middle of the area, began a volume at 20:04 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
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 8.1 hours before the alert went out and 234 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
- 708 J/kg
- Mixed-layer CIN
- -447 J/kg
- Mixed-layer LCL
- 2005 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 12 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 25, 7:12 PM MDT | Mesoscale Discussion | SPC | Blaine, Chouteau, Dawson, Fergus, Garfield, Hill and 11 more | 93 min |
| Jun 25, 10:27 PM MDT | Mesoscale Discussion | SPC | Blaine, Chouteau, Fergus, Garfield, Hill, Liberty and 3 more | 93 min |
| Jun 26, 12:23 AM MDT | Mesoscale Discussion | SPC | Blaine, Chouteau, Hill | 67 min |
| Jun 26, 6:16 AM MDT | Mesoscale Discussion | SPC | Glacier, Hill, Liberty, Pondera, Teton, Toole | 89 min |
| Jun 26, 11:08 AM MDT | Mesoscale Discussion | SPC | Blaine, Cascade, Chouteau, Glacier, Hill, Liberty and 3 more | 37 min |
| Jun 26, 11:20 AM MDT | Severe Thunderstorm Watch | SPC | Blaine, Cascade, Chouteau, Glacier, Hill, Lewis and Clark and 4 more | 6 hr |
| Jun 26, 2:21 PM MDT | Mesoscale Discussion | SPC | Blaine, Cascade, Chouteau, Hill, Lewis and Clark, Liberty and 3 more | 54 min |
| Jun 25, 7:37 PM MDT | Mesoscale Discussion | SPC | Bennett, Corson, Dewey, Haakon, Hughes, Jackson and 11 more | 83 min |
| Jun 25, 10:38 PM MDT | Mesoscale Discussion | SPC | Beadle, Brown, Clark, Edmunds, Faulk, Hand and 4 more | 67 min |
Nearby
Mesoscale Discussions in North Dakota, 2012Mesoscale Discussions in Montana, 2012Mesoscale Discussions in South Dakota, 2012Every mesoscale discussion in 2012
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.