Alert archive / Kansas / Mesoscale Discussions in 2013
Mesoscale Discussion 1639
The Storm Prediction Center issued this mesoscale discussion at Aug 6, 2013, 3:14 PM CDT for 28 counties in Kansas; Beaver County, Harper County, Oklahoma. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2013, 3:14 PM CDT (20:14 UTC)
- Expired
- Aug 6, 2013, 4:15 PM CDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 30 counties
Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Harper County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kingman County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Scott County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Wallace County, KS, Wichita County, KS, Beaver County, OK, Harper County, OK
The radar
The Dodge City radar (KDDC), 14 km from the middle of the area, began a volume at 20:16 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
Dodge City, (KDDC), launched 12:00Z, 8.2 hours before the alert went out and 13 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
- 427 J/kg
- Mixed-layer CIN
- -400 J/kg
- Mixed-layer LCL
- 1424 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 201 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 |
|---|---|---|---|---|
| Aug 5, 9:44 PM CDT | Mesoscale Discussion | SPC | Allen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 17 more | 2 hr |
| Aug 5, 11:51 PM CDT | Severe Thunderstorm Watch | SPC | Bourbon, Cherokee, Crawford | 4 hr |
| Aug 6, 3:38 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 31 more | 6 hr |
| Aug 6, 6:37 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Finney, Ford and 16 more | 53 min |
Nearby
Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Oklahoma, 2013Every mesoscale discussion in 2013
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.