Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 118, NWS Cleveland, OH

August 1, 1986Venango County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 1, 1986, 4:46 PM EDT for Venango County, Pennsylvania. It was in force for 59 min.

The area

The counties it named.

The facts

Issued: Aug 1, 1986, 4:46 PM EDT (20:46 UTC)
Expired: Aug 1, 1986, 5:45 PM EDT
In force: 59 min
Issued by: NWS Cleveland, OH
Area: Whole counties

County Venango County, PA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.8 hours before the alert went out and 114 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: 7 J/kg
Mixed-layer CIN: -249 J/kg
Mixed-layer LCL: 1258 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 35 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 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

Special weather statement, Aug 1, 3:12 PM EDT, 1 hour 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
315 PM EDT FRI AUG 1 1986

THUNDERSTORMS HAVE DEVELOPED OVER NORTHEAST OHIO AND HAVE MOVED
IN TO NORTHERN TRUMBULL COUNTY.

AT 310 PM RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING ACROSS
NORTHERNMOST TRUMBULL COUNTY FROM NEAR KINSMAN OHIO WEST TO OVER THE
MESOPOTAMIA OHIO AREA.

THESE STORMS LIKELY CONTAINED HEAVY RAIN..FREQUENT CLOUD TO GROUND
LIGHTNING AND GUSTY WINDS AND MAY ALSO PRODUCE SMALL HAIL.

THES STORMS WERE MOVING SLOWLY EAST AND SHOULD AFFECT NORTH TRUMBULL
COUNTY AND NORTHERN MERCER COUNTY OF PENNSYLVANIA INTO THE EARLY
EVENING HOURS.  PEOPLE IN THESE AREAS SHOULD BE PREPARED TO MOVE TO
SHELTER AS THE THUNDERSTORMS MOVE OVER THE AREA.

TRP

                                                                             [

Special weather statement, Aug 1, 3:31 PM EDT, 1 hour 15 minutes before

^CLESPSCAK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
324  PM EDT FRI AUG 1  1986

AT 315 PM RADAR INDICATED A VERY HEAVY THUNDERSTORM IN TUSCARAWAS
COUNTY OHIO JUST SOUTH OF NEW PHILAPELPHIA, OHIO. THIS THUNDERSTORM
IS MOVING EAST AT 30 MPH.

THIS STORM LIKELY CONTAINS HEAVY RAIN..FREQUENT CLOUDY TO GROUND
LIGHTNING, GUSTY WINDS AND SMALL HAIL.

PEOPLE IN THIS AREA SHOULD BE PREPARED TO MOVE TO SHELTER AS THIS
THUNDERSTORMS MOVES THRU.

EJH

Special weather statement, Aug 1, 4:25 PM EDT, 21 minutes before

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Special weather statement, Aug 1, 4:31 PM EDT, 15 minutes before

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<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.
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The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 1, 3:45 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	60 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1986 Every severe thunderstorm warning in 1986

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.