Alert archive / Oklahoma / Mesoscale Discussions in 2011
Mesoscale Discussion 1242
The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2011, 11:52 AM CDT for Chautauqua County, Cowley County, Montgomery County, Kansas; 20 counties in Oklahoma. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2011, 11:52 AM CDT (16:52 UTC)
- Expired
- Jun 16, 2011, 12:45 PM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 23 counties
Chautauqua County, KS, Cowley County, KS, Montgomery County, KS, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Kay County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 53 km from the middle of the area, began a volume at 16:52 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
Lamont, OK (KLMN), launched 12:00Z, 4.9 hours before the alert went out and 128 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2811 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 189 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 16, 12:26 PM CDT | Severe Thunderstorm Watch | SPC | Chautauqua, Cherokee, Cowley, Elk, Labette, Montgomery and 2 more | 7 hr |
| Jun 16, 3:37 PM CDT | Mesoscale Discussion | SPC | Clark, Grant, Gray, Haskell, Meade, Seward | 83 min |
| Jun 16, 3:53 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Clark, Comanche, Edwards, Ellis, Ford and 10 more | 6 hr |
| Jun 16, 6:18 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Cheyenne, Clark, Comanche, Decatur and 30 more | 87 min |
| Jun 16, 6:34 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Butler, Chase, Cheyenne, Cloud, Cowley and 31 more | 7 hr |
| Jun 15, 11:18 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Dewey, Ellis, Harper, Major and 2 more | 57 min |
| Jun 16, 5:17 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Delaware, Mayes, Muskogee and 8 more | 58 min |
Nearby
Mesoscale Discussions in Oklahoma, 2011Mesoscale Discussions in Kansas, 2011Every mesoscale discussion in 2011
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.