Alert archive / Pennsylvania / High Wind Watches in 2020

High Wind Watch 2, NWS Pittsburgh, PA

April 11, 202014 counties in Pennsylvania; 11 counties in Ohio; 9 counties in West Virginia

NWS Pittsburgh, PA issued this high wind watch at Apr 11, 2020, 2:03 PM EDT for 14 counties in Pennsylvania; 11 counties in Ohio; 9 counties in West Virginia. It took effect at Apr 13, 2020, 6:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Apr 11, 2020, 2:03 PM EDT (18:03 UTC)
In effect from: Apr 13, 2020, 6:00 AM EDT
Expired: Apr 12, 2020, 1:44 PM EDT
In force
Issued by: NWS Pittsburgh, PA

All 34 counties

Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Monroe County, OH, Muskingum County, OH, Noble County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Preston County, WV, Tucker County, WV, Wetzel County, WV

The radar

The Pittsburgh radar (KPBZ), 28 km from the middle of the area, began a volume at 18:04 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 12:00Z, 6.1 hours before the alert went out and 28 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1100 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this high wind watch went out at Apr 11, 11:28 AM EDT, 2 hours 35 minutes earlier.

Area forecast discussion, Apr 11, 11:28 AM EDT, 2 hours 35 minutes before

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Hazardous weather outlook, Apr 11, 9:14 AM EDT, 4 hours 49 minutes before

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</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>
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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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Nearby

High Wind Watches in Pennsylvania, 2020 High Wind Watches in Ohio, 2020 High Wind Watches in West Virginia, 2020 Every high wind watch in 2020

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.