Alert archive / North Dakota / Mesoscale Discussions in 2005
Mesoscale Discussion 2006
The Storm Prediction Center issued this mesoscale discussion at Aug 17, 2005, 1:03 PM CDT for 16 counties in Minnesota; 20 counties in North Dakota; 8 counties in South Dakota. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Aug 17, 2005, 1:03 PM CDT (18:03 UTC)
- Expired
- Aug 17, 2005, 2:30 PM CDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 44 counties
Becker County, MN, Cass County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Mahnomen County, MN, Morrison County, MN, Norman County, MN, Otter Tail County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Burleigh County, ND, Cass County, ND, Dickey County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Morton County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Brown County, SD, Campbell County, SD, Corson County, SD, Edmunds County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 102 km from the middle of the area, began a volume at 18:02 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
Aberdeen, SD (KABR), launched 12:00Z, 6.1 hours before the alert went out and 160 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
- 438 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 980 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Aug 17, 1:35 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 8 more | 8 hr |
| Aug 17, 5:18 PM CDT | Mesoscale Discussion | SPC | Becker, Clay, Clearwater, Hubbard, Mahnomen, Norman and 2 more | 117 min |
| Aug 16, 7:26 PM CDT | Mesoscale Discussion | SPC | Billings, Golden Valley | 94 min |
| Aug 16, 10:23 PM CDT | Mesoscale Discussion | SPC | Benson, Billings, Bottineau, Burke, Burleigh, Divide and 22 more | 2 hr |
| Aug 16, 11:35 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Dunn, Eddy, Foster and 15 more | 55 min |
| Aug 17, 3:16 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 22 more | 89 min |
| Aug 17, 4:55 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 22 more | 5 hr |
Nearby
Mesoscale Discussions in North Dakota, 2005Mesoscale Discussions in Minnesota, 2005Mesoscale Discussions in South Dakota, 2005Every mesoscale discussion in 2005
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.