Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 209, NWS Pittsburgh, PA

July 19, 1996Greene County, Pennsylvania; Monongalia County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jul 19, 1996, 1:28 AM EDT for Greene County, Pennsylvania; Monongalia County, West Virginia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 19, 1996, 1:28 AM EDT (05:28 UTC)
Expired
Jul 19, 1996, 4:30 AM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Greene County, PA, Monongalia County, WV

The radar

The Pittsburgh radar (KPBZ), 88 km from the middle of the area, began a volume at 05:28 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, 5.5 hours before the alert went out and 74 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 1996-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1996-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
70 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
429 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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

Local storm report, Jul 19, 12:10 AM EDT, 1 hour 18 minutes before
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Special weather statement, Jul 19, 1:02 AM EDT, 26 minutes before
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  <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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 10:44 PM EDTFlash Flood WarningPBZGreene3 hr
Jul 18, 11:23 PM EDTSevere Thunderstorm WarningPBZGreene52 min
Jul 18, 11:37 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland3 hr
Jul 19, 1:34 AM EDTFlash Flood WarningPBZClarion, Mercer, Venango3 hr
Jul 19, 3:22 AM EDTFlash Flood WarningPBZJefferson3 hr
Jul 19, 4:25 AM EDTFlash Flood WarningPBZClarion, Mercer, Venango2 hr
Jul 19, 5:08 AM EDTFlash Flood WarningPBZClarion, Jefferson, Venango82 min
Jul 19, 5:08 AM EDTSevere Thunderstorm WarningPBZClarion, Jefferson, Venango82 min
Jul 19, 6:04 AM EDTFlash Flood WarningPBZClarion, Indiana, Jefferson4 hr
Jul 19, 6:04 AM EDTFlash Flood WarningPBZMercer, Venango4 hr
Jul 19, 7:55 AM EDTFlash Flood WarningPBZFayette, Greene3 hr
Jul 19, 9:59 AM EDTFlash Flood WarningPBZIndiana, Jefferson6 hr
Jul 19, 9:59 AM EDTFlash Flood WarningPBZClarion, Venango6 hr
Jul 19, 9:59 AM EDTFlash Flood WarningPBZMercer6 hr
Jul 19, 11:48 AM EDTTornado WarningPBZIndiana57 min
Jul 19, 1:39 PM EDTSevere Thunderstorm WarningPBZFayette, Greene51 min
Jul 19, 2:14 PM EDTFlash Flood WarningPBZFayette3 hr
Jul 19, 2:49 PM EDTFlash Flood WarningPBZGreene3 hr
Jul 19, 3:53 PM EDTFlash Flood WarningPBZClarion, Venango6 hr
Jul 19, 3:53 PM EDTFlash Flood WarningPBZIndiana, Jefferson6 hr
Jul 19, 4:57 PM EDTFlash Flood WarningPBZFayette6 hr
Jul 18, 10:48 PM EDTFlash Flood WarningPBZBelmont3 hr
Jul 19, 12:38 PM EDTSevere Thunderstorm WarningPBZNoble52 min
Jul 19, 1:02 PM EDTTornado WarningPBZMonroe, Noble43 min
Jul 19, 1:46 PM EDTSevere Thunderstorm WarningPBZMonroe29 min
Jul 19, 2:03 PM EDTFlash Flood WarningPBZMonroe3 hr
Jul 19, 4:57 PM EDTFlash Flood WarningPBZMonroe6 hr
Jul 18, 10:44 PM EDTFlash Flood WarningPBZMonongalia3 hr
Jul 19, 1:28 AM EDTFlash Flood WarningPBZPreston3 hr
Jul 19, 10:08 AM EDTFlash Flood WarningPBZPreston, Tucker4 hr
Jul 19, 1:56 PM EDTSevere Thunderstorm WarningPBZMonongalia49 min
Jul 19, 2:29 PM EDTSevere Thunderstorm WarningPBZPreston61 min

Nearby

Flash Flood Warnings in Pennsylvania, 1996Flash Flood Warnings in West Virginia, 1996Every flash flood warning in 1996

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.