Alert archive / West Virginia / Flash Flood Warnings in 2024

Flash Flood Warning 25, NWS Pittsburgh, PA

May 24, 2024Marion County, Monongalia County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at May 24, 2024, 11:48 PM EDT for Marion County, Monongalia County, West Virginia. It was in force for 117 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 24, 2024, 11:48 PM EDT (03:48 UTC)
Expired: May 25, 2024, 1:45 AM EDT
In force: 117 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: None

Counties Marion County, WV, Monongalia County, WV

The radar

The Pittsburgh radar (KPBZ), 107 km from the middle of the area, began a volume at 03:51 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, 3.8 hours before the alert went out and 93 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 16 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1929 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at May 24, 8:35 PM EDT, 3 hours 13 minutes earlier.

Area forecast discussion, May 24, 8:35 PM EDT, 3 hours 13 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, May 24, 2:59 PM EDT, 8 hours 49 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
May 25, 12:04 PM EDT	Special Weather Statement	PBZ	Mercer	41 min
May 25, 12:29 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	31 min
May 25, 12:37 PM EDT	Special Weather Statement	PBZ	Mercer	53 min
May 25, 1:00 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	45 min
May 25, 1:26 PM EDT	Special Weather Statement	PBZ	Lawrence	49 min
May 25, 1:45 PM EDT	Special Weather Statement	PBZ	Clarion	45 min
May 25, 2:14 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Jefferson, Venango	46 min
May 25, 2:18 PM EDT	Special Weather Statement	PBZ	Clarion	42 min
May 25, 2:20 PM EDT	Special Weather Statement	PBZ	Beaver	40 min
May 25, 2:34 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion	41 min
May 25, 2:36 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler	39 min
May 25, 3:04 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	41 min
May 25, 3:08 PM EDT	Special Weather Statement	PBZ	Allegheny	37 min
May 25, 3:10 PM EDT	Special Weather Statement	PBZ	Jefferson	50 min
May 25, 3:13 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Westmoreland	47 min
May 25, 3:22 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	38 min
May 25, 3:26 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Westmoreland	49 min
May 25, 3:41 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	49 min
May 25, 3:59 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	46 min
May 25, 4:02 PM EDT	Special Weather Statement	PBZ	Armstrong, Indiana	73 min
May 25, 4:09 PM EDT	Flash Flood Warning	PBZ	Allegheny, Armstrong, Butler, Indiana, Westmoreland	3 hr
May 25, 4:14 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	46 min
May 25, 4:28 PM EDT	Special Weather Statement	PBZ	Westmoreland	32 min
May 25, 4:30 PM EDT	Special Weather Statement	PBZ	Fayette	30 min
May 25, 4:42 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Indiana, Westmoreland	33 min
May 25, 4:50 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	40 min
May 25, 4:51 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	39 min
May 25, 4:59 PM EDT	Tornado Warning	PBZ	Allegheny, Beaver, Washington	31 min
May 25, 5:08 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	52 min
May 25, 5:30 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	15 min
May 25, 5:44 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	Allegheny, Washington, Westmoreland	61 min
May 25, 6:01 PM EDT	Special Weather Statement	PBZ	Mercer	29 min
May 25, 6:15 PM EDT	Special Weather Statement	PBZ	Beaver	30 min
May 25, 6:18 PM EDT	Special Weather Statement	PBZ	Greene	27 min
May 25, 6:22 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	38 min
May 25, 6:28 PM EDT	Special Weather Statement	PBZ	Mercer	47 min
May 25, 6:32 PM EDT	Special Weather Statement	PBZ	Fayette	43 min
May 25, 7:03 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	42 min
May 25, 7:06 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	39 min
May 25, 7:11 PM EDT	Special Weather Statement	PBZ	Venango	34 min
May 25, 7:01 PM EDT	Special Weather Statement	PBZ	Hancock	29 min
May 25, 7:45 PM EDT	Special Weather Statement	PBZ	Preston	60 min

Nearby

Flash Flood Warnings in West Virginia, 2024 Every flash flood warning in 2024

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.