Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 61, NWS Pittsburgh, PA

May 3, 1998Coshocton County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at May 3, 1998, 10:50 AM EDT for Coshocton County, Ohio. It was in force for 70 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 3, 1998, 10:50 AM EDT (14:50 UTC)
Expired: May 3, 1998, 12:00 PM EDT
In force: 70 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Coshocton County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 2.8 hours before the alert went out and 155 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: 4 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 70 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

Local storm report, May 3, 5:40 AM EDT, 5 hours 10 minutes before

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Local storm report, May 3, 5:40 AM EDT, 5 hours 10 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 2, 9:50 PM EDT	Flash Flood Warning	PBZ	Coshocton, Guernsey, Muskingum, Noble, Tuscarawas	8 hr
May 3, 3:50 AM EDT	Flash Flood Warning	PBZ	Guernsey, Monroe, Muskingum, Noble	7 hr
May 3, 3:50 AM EDT	Flash Flood Warning	PBZ	Coshocton, Tuscarawas	7 hr
May 3, 10:39 AM EDT	Flash Flood Warning	PBZ	Guernsey, Monroe, Muskingum, Noble	5 hr
May 3, 3:25 PM EDT	Flash Flood Warning	PBZ	Monroe	7 hr
May 3, 4:42 PM EDT	Flash Flood Warning	PBZ	Noble	5 hr

Nearby

Flash Flood Warnings in Ohio, 1998 Every flash flood warning in 1998

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.