Alert archive / West Virginia / Flash Flood Warnings in 1994

Flash Flood Warning 47, NWS Pittsburgh, PA

August 25, 1994Marshall County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Aug 25, 1994, 7:01 PM EDT for Marshall County, West Virginia. It was in force for 119 min.

The area

The counties it named.

The facts

Issued: Aug 25, 1994, 7:01 PM EDT (23:01 UTC)
Expired: Aug 25, 1994, 9:00 PM EDT
In force: 119 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Marshall County, WV

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.0 hours before the alert went out and 78 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: 209 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1087 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Aug 25, 5:45 PM EDT, 1 hour 16 minutes before

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Special weather statement, Aug 25, 6:35 PM EDT, 26 minutes before

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<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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Special weather statement, Aug 25, 6:38 PM EDT, 23 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
Aug 25, 3:28 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	62 min
Aug 25, 3:54 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	66 min
Aug 25, 4:43 PM EDT	Severe Thunderstorm Warning	PBZ	Forest, Venango	47 min
Aug 25, 5:40 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	65 min
Aug 25, 6:04 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion	56 min
Aug 25, 6:42 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	48 min
Aug 25, 5:50 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall, Ohio	40 min

Nearby

Flash Flood Warnings in West Virginia, 1994 Every flash flood warning in 1994

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.