Alert archive / Ohio / Mesoscale Discussions in 2011
Mesoscale Discussion 2319
The Storm Prediction Center issued this mesoscale discussion at Nov 14, 2011, 8:41 PM EST for 19 counties in Ohio; 11 counties in Pennsylvania; Brooke County, Hancock County, Ohio County, West Virginia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 14, 2011, 8:41 PM EST (01:41 UTC)
- Expired
- Nov 14, 2011, 10:45 PM EST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Fairfield County, OH, Franklin County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Jefferson County, OH, Licking County, OH, Madison County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Ross County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Clearfield County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Ohio County, WV
The radar
The Pittsburgh radar (KPBZ), 91 km from the middle of the area, began a volume at 01:42 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
Pittsburgh, PA (KPIT), launched 00:00Z, 1.7 hours before the alert went out and 98 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
- 93 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1201 m above ground
- 0-6 km bulk shear
- 92 kt
- 0-1 km storm-relative helicity
- 441 m²/s²
- 0-3 km storm-relative helicity
- 523 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
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 |
|---|---|---|---|---|
| Nov 14, 7:49 PM EST | Severe Thunderstorm Watch | SPC | Brown, Clermont, Clinton, Hamilton, Highland, Warren | 3 hr |
| Nov 14, 10:00 PM EST | Mesoscale Discussion | SPC | Adams, Brown, Highland, Pike, Ross, Scioto | 60 min |
Nearby
Mesoscale Discussions in Ohio, 2011Mesoscale Discussions in Pennsylvania, 2011Mesoscale Discussions in West Virginia, 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.