Alert archive / North Carolina / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 195, NWS Greenville-Spartanburg, SC

July 23, 2016Cabarrus County, Mecklenburg County, Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 23, 2016, 5:19 PM EDT for Cabarrus County, Mecklenburg County, Union County, North Carolina. It was in force for 41 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: Jul 23, 2016, 5:19 PM EDT (21:19 UTC)
Expired: Jul 23, 2016, 6:00 PM EDT
In force: 41 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cabarrus County, NC, Mecklenburg County, NC, Union County, NC

The radar

The Columbia radar (KCAE), 147 km from the middle of the area, began a volume at 21:21 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

Charleston AFB, SC (KCHS), launched 12:00Z, 9.3 hours before the alert went out and 263 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: 244 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 1351 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 42 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 7:37 PM EDT, 21 hours 42 minutes earlier.

Area forecast discussion, Jul 22, 7:37 PM EDT, 21 hours 42 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 Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 23, 3:24 PM EDT	Special Weather Statement	GSP	Clay	36 min
Jul 23, 3:35 PM EDT	Special Weather Statement	GSP	Union	25 min
Jul 23, 4:14 PM EDT	Special Weather Statement	GSP	Union	31 min
Jul 23, 5:12 PM EDT	Special Weather Statement	GSP	Haywood	33 min
Jul 23, 5:15 PM EDT	Special Weather Statement	GSP	Mecklenburg	30 min
Jul 23, 5:21 PM EDT	Special Weather Statement	GSP	Polk	39 min
Jul 23, 5:28 PM EDT	Special Weather Statement	GSP	Transylvania	32 min
Jul 23, 5:51 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Mecklenburg	114 min
Jul 23, 5:56 PM EDT	Special Weather Statement	GSP	Cabarrus	34 min
Jul 23, 5:57 PM EDT	Special Weather Statement	GSP	Lincoln	33 min
Jul 23, 6:00 PM EDT	Special Weather Statement	GSP	Swain	45 min
Jul 23, 6:29 PM EDT	Special Weather Statement	GSP	Iredell	31 min
Jul 23, 6:34 PM EDT	Special Weather Statement	GSP	Catawba	41 min
Jul 23, 6:51 PM EDT	Special Weather Statement	GSP	Burke	24 min
Jul 23, 12:54 PM EDT	Special Weather Statement	GSP	Pickens	36 min
Jul 23, 1:44 PM EDT	Special Weather Statement	GSP	Abbeville	31 min
Jul 23, 2:14 PM EDT	Special Weather Statement	GSP	Abbeville	31 min
Jul 23, 3:17 PM EDT	Special Weather Statement	GSP	Union	43 min
Jul 23, 3:41 PM EDT	Special Weather Statement	GSP	Anderson	34 min
Jul 23, 4:11 PM EDT	Special Weather Statement	GSP	Anderson	34 min
Jul 23, 4:34 PM EDT	Special Weather Statement	GSP	Pickens	26 min
Jul 23, 1:18 PM EDT	Special Weather Statement	GSP	Elbert	27 min
Jul 23, 1:30 PM EDT	Special Weather Statement	GSP	Habersham	30 min
Jul 23, 2:50 PM EDT	Special Weather Statement	GSP	Franklin	40 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2016 Every severe thunderstorm warning in 2016

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.