Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 159, NWS Pittsburgh, PA

June 16, 1998Indiana County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 16, 1998, 6:16 PM EDT for Indiana County, Pennsylvania. It was in force for 44 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: Jun 16, 1998, 6:16 PM EDT (22:16 UTC)
Expired: Jun 16, 1998, 7:00 PM EDT
In force: 44 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Indiana County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.3 hours before the alert went out and 90 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: 419 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 542 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 severe thunderstorm 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, Jun 16, 4:03 PM EDT, 2 hours 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
403 PM EDT TUE JUN 16 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0240 PM    ZANESVILLE                OH   WIND DAMAGE
06/16/98   MUSKINGUM                      TREES DOWN COUNTYWIDE

0307 PM    CAMBRIDGE                 OH   WIND DAMAGE
06/16/98   GUERNSEY                       TREES DOWN COUNTYWIDE

0340 PM    WOODSFIELD                OH   .75 INCH HAIL
06/16/98   MONROE

0400 PM    CADIZ                     OH   .75 INCH HAIL
06/16/98   HARRISON

Local storm report, Jun 16, 5:44 PM EDT, 32 minutes before

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Local storm report, Jun 16, 5:44 PM EDT, 32 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
Jun 15, 8:13 PM EDT	Flash Flood Warning	PBZ	Muskingum, Noble	3 hr
Jun 16, 2:40 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	58 min
Jun 16, 2:50 PM EDT	Flash Flood Warning	PBZ	Muskingum	4 hr
Jun 16, 3:05 PM EDT	Flash Flood Warning	PBZ	Guernsey, Noble	4 hr
Jun 16, 3:14 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Noble	57 min
Jun 16, 3:34 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe	59 min
Jun 16, 3:36 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont	59 min
Jun 16, 3:41 PM EDT	Flash Flood Warning	PBZ	Belmont, Monroe	4 hr
Jun 16, 3:48 PM EDT	Severe Thunderstorm Warning	PBZ	Harrison, Tuscarawas	55 min
Jun 16, 3:58 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	59 min
Jun 16, 4:48 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	60 min
Jun 16, 5:27 PM EDT	Flash Flood Warning	PBZ	Columbiana	4 hr
Jun 16, 4:05 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Greene, Washington	60 min
Jun 16, 4:36 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	54 min
Jun 16, 4:36 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	54 min
Jun 16, 5:05 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence	60 min
Jun 16, 5:22 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Indiana, Westmoreland	58 min
Jun 16, 3:58 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall	59 min
Jun 16, 4:08 PM EDT	Severe Thunderstorm Warning	PBZ	Wetzel	59 min
Jun 16, 4:11 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia	59 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1998 Every severe thunderstorm 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.