Alert archive / West Virginia / Mesoscale Discussions in 2019
Mesoscale Discussion 955
The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2019, 6:53 PM EDT for 15 counties in Virginia; 25 counties in West Virginia. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2019, 6:53 PM EDT (22:53 UTC)
- Expired
- Jun 2, 2019, 8:00 PM EDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
All 40 counties
Alleghany County, VA, Amherst County, VA, Augusta County, VA, Bath County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Covington, VA, City of Lexington, VA, City of Salem, VA, City of Staunton, VA, Craig County, VA, Giles County, VA, Highland County, VA, Roanoke County, VA, Rockbridge County, VA, Boone County, WV, Braxton County, WV, Calhoun County, WV, Clay County, WV, Fayette County, WV, Gilmer County, WV, Greenbrier County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monroe County, WV, Nicholas County, WV, Pocahontas County, WV, Putnam County, WV, Raleigh County, WV, Roane County, WV, Summers County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 87 km from the middle of the area, began a volume at 22:54 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
Roanoke, VA (KRNK), launched 12:00Z, 10.9 hours before the alert went out and 145 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
- 50 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
<!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 2, 12:24 PM EDT | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Augusta and 45 more | 2 hr |
| Jun 2, 12:53 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Alleghany, Arlington, Augusta, Bath, Botetourt and 36 more | 7 hr |
| Jun 2, 3:33 PM EDT | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amherst, Arlington, Augusta, Bath and 47 more | 87 min |
| Jun 2, 5:57 PM EDT | Mesoscale Discussion | SPC | Accomack, Arlington, Caroline, Culpeper, Essex, Fairfax and 26 more | 93 min |
Nearby
Mesoscale Discussions in West Virginia, 2019Mesoscale Discussions in Virginia, 2019Every mesoscale discussion in 2019
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.