Alert archive / Pennsylvania / Mesoscale Discussions in 2006

Mesoscale Discussion 1365

June 28, 20064 states

The Storm Prediction Center issued this mesoscale discussion at Jun 28, 2006, 1:01 PM EDT for 4 states. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Jun 28, 2006, 1:01 PM EDT (17:01 UTC)
Expired: Jun 28, 2006, 3:00 PM EDT
In force: 119 min
Issued by: the Storm Prediction Center

All 43 counties

Allegany County, NY, Cattaraugus County, NY, Livingston County, NY, Ontario County, NY, Steuben County, NY, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Mahoning County, OH, Monroe County, OH, Noble County, OH, Trumbull County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Cameron County, PA, Clarion County, PA, Clearfield County, PA, Crawford County, PA, Elk County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Potter County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marshall County, WV, Ohio County, WV, Tyler County, WV, Wetzel County, WV

The radar

The Pittsburgh radar (KPBZ), 53 km from the middle of the area, began a volume at 17:01 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, 5.0 hours before the alert went out and 62 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: 192 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 962 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 4 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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>

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 9:51 AM EDT	Mesoscale Discussion	SPC	Allen, Auglaize, Darke, Defiance, Fulton, Hancock and 11 more	2 hr
Jun 28, 3:08 PM EDT	Mesoscale Discussion	SPC	Defiance, Fulton, Henry, Paulding, Van Wert, Williams	97 min
Jun 28, 6:36 PM EDT	Mesoscale Discussion	SPC	Allen, Auglaize, Champaign, Clark, Crawford, Darke and 14 more	54 min

Nearby

Mesoscale Discussions in Pennsylvania, 2006 Mesoscale Discussions in Ohio, 2006 Mesoscale Discussions in West Virginia, 2006 Every mesoscale discussion in 2006

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.