Alert archive / West Virginia / Heat Advisories in 2018

Heat Advisory 2, NWS Charleston, WV

July 1, 201817 counties in West Virginia; 9 counties in Ohio; 4 counties in Kentucky

NWS Charleston, WV issued this heat advisory at Jul 1, 2018, 2:09 PM EDT for 17 counties in West Virginia; 9 counties in Ohio; 4 counties in Kentucky. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 1, 2018, 2:09 PM EDT (18:09 UTC)
Expired: Jul 1, 2018, 8:00 PM EDT
In force: 6 hr
Issued by: NWS Charleston, WV

All 30 counties

Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Cabell County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Mason County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.2 hours before the alert went out and 179 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: 642 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1484 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 12 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 heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this heat advisory went out at Jul 1, 1:45 PM EDT, 24 minutes earlier.

Area forecast discussion, Jul 1, 1:45 PM EDT, 24 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>

Hazardous weather outlook, Jul 1, 4:52 AM EDT, 9 hours 17 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 Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 4:27 PM EDT	Special Weather Statement	RLX	Kanawha	33 min
Jul 1, 4:57 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha, Putnam	33 min
Jul 1, 5:22 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha, Lincoln, Putnam	23 min
Jul 1, 5:39 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha, Mason, Putnam	36 min
Jul 1, 6:06 PM EDT	Severe Thunderstorm Warning	RLX	Cabell, Mason, Putnam	24 min
Jul 1, 6:12 PM EDT	Severe Thunderstorm Warning	RLX	Lincoln, Logan, Mingo, Wayne	48 min
Jul 1, 6:13 PM EDT	Severe Thunderstorm Warning	RLX	Jackson, Mason, Putnam	32 min
Jul 1, 7:02 PM EDT	Flash Flood Warning	RLX	Kanawha	3 hr
Jul 1, 7:10 PM EDT	Severe Thunderstorm Warning	RLX	Mingo, Wayne	35 min
Jul 1, 7:26 PM EDT	Flash Flood Warning	RLX	Cabell, Wayne	3 hr
Jul 1, 7:39 PM EDT	Severe Thunderstorm Warning	RLX	Wayne	36 min
Jul 1, 6:53 PM EDT	Special Weather Statement	RLX	Gallia	37 min
Jul 1, 7:30 PM EDT	Special Weather Statement	RLX	Vinton	30 min
Jul 1, 4:15 PM EDT	Special Weather Statement	RLX	Greenup	30 min
Jul 1, 6:20 PM EDT	Special Weather Statement	RLX	Carter	25 min
Jul 1, 7:12 PM EDT	Special Weather Statement	RLX	Boyd	33 min

Nearby

Heat Advisories in West Virginia, 2018 Heat Advisories in Ohio, 2018 Heat Advisories in Kentucky, 2018 Every heat advisory in 2018

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.