Alert archive / West Virginia / Flash Flood Watches in 2017
Flash Flood Watch 6, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood watch at Jul 6, 2017, 9:56 AM EDT for Fayette County, Greene County, Pennsylvania; Monroe County, Ohio; 6 counties in West Virginia. It took effect at Jul 6, 2017, 11:00 AM EDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jul 6, 2017, 9:56 AM EDT (13:56 UTC)
- In effect from
- Jul 6, 2017, 11:00 AM EDT
- Expired
- Jul 6, 2017, 8:52 PM EDT
- In force
- 10 hr
- Issued by
- NWS Pittsburgh, PA
- Flood severity
- None
Counties Monroe County, OH, Fayette County, PA, Greene County, PA, Marion County, WV, Marshall County, WV, Monongalia County, WV, Preston County, WV, Tucker County, WV, Wetzel County, WV
The radar
The Pittsburgh radar (KPBZ), 100 km from the middle of the area, began a volume at 13:58 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 (KAGC), launched 12:00Z, 1.9 hours before the alert went out and 87 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
- 102 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pittsburgh, PA wrote its last area forecast discussion before this flash flood watch went out at Jul 6, 8:50 AM EDT, 1 hour 6 minutes earlier.
Area forecast discussion, Jul 6, 8:50 AM EDT, 1 hour 6 minutes before
<!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>Hazardous weather outlook, Jul 6, 4:29 AM EDT, 5 hours 27 minutes before
<!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>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:51 PM EDT | Areal Flood Advisory | PBZ | Greene | 3 hr |
| Jul 5, 9:19 PM EDT | Special Weather Statement | PBZ | Allegheny | 41 min |
| Jul 5, 9:21 PM EDT | Special Weather Statement | PBZ | Washington | 39 min |
| Jul 5, 9:24 PM EDT | Special Weather Statement | PBZ | Butler | 51 min |
| Jul 5, 10:11 PM EDT | Special Weather Statement | PBZ | Butler | 49 min |
| Jul 5, 10:12 PM EDT | Special Weather Statement | PBZ | Beaver | 48 min |
| Jul 5, 10:23 PM EDT | Areal Flood Advisory | PBZ | Butler | 3 hr |
| Jul 5, 10:27 PM EDT | Flash Flood Warning | PBZ | Butler | 4 hr |
| Jul 6, 3:43 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 6, 4:39 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 3 hr |
| Jul 6, 5:08 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Jul 6, 5:28 PM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Jul 6, 5:50 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Clarion, Forest | 115 min |
| Jul 6, 3:02 PM EDT | Areal Flood Advisory | PBZ | Monroe | 3 hr |
| Jul 5, 9:30 PM EDT | Flash Flood Warning | PBZ | Wetzel | 6 hr |
Nearby
Flash Flood Watches in West Virginia, 2017Flash Flood Watches in Pennsylvania, 2017Flash Flood Watches in Ohio, 2017Every flash flood watch in 2017
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.