Alert archive / North Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 101, NWS Greenville-Spartanburg, SC

May 28, 20105 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 28, 2010, 5:07 PM EDT for 5 counties in North Carolina. It was in force for 53 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: May 28, 2010, 5:07 PM EDT (21:07 UTC)
Expired: May 28, 2010, 6:00 PM EDT
In force: 53 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Cabarrus County, NC, Catawba County, NC, Iredell County, NC, Lincoln County, NC, Mecklenburg County, NC

The radar

The Greer radar (KGSP), 136 km from the middle of the area, began a volume at 21:09 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.1 hours before the alert went out and 113 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: 141 J/kg
Mixed-layer CIN: -209 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 May 28, 2:45 PM EDT, 2 hours 22 minutes earlier.

Area forecast discussion, May 28, 2:45 PM EDT, 2 hours 22 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, May 28, 3:31 PM EDT, 1 hour 36 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>

In the hours before

Local storm report, May 28, 4:08 PM EDT, 59 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>

Special weather statement, May 28, 4:15 PM EDT, 52 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>

Local storm report, May 28, 4:23 PM EDT, 44 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>

Special weather statement, May 28, 4:23 PM EDT, 44 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>

Local storm report, May 28, 4:32 PM EDT, 35 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>

Special weather statement, May 28, 4:54 PM EDT, 13 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
May 28, 8:44 AM EDT	Special Weather Statement	GSP	Rutherford	46 min
May 28, 10:42 AM EDT	Special Weather Statement	GSP	McDowell	33 min
May 28, 11:28 AM EDT	Special Weather Statement	GSP	Burke	32 min
May 28, 11:32 AM EDT	Severe Thunderstorm Warning	GSP	Burke	43 min
May 28, 12:17 PM EDT	Flash Flood Watch	GSP	Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more	16 hr
May 28, 1:06 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Swain	27 min
May 28, 1:30 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Swain	45 min
May 28, 2:02 PM EDT	Flash Flood Warning	GSP	Jackson	3 hr
May 28, 2:20 PM EDT	Flash Flood Warning	GSP	Macon	2 hr
May 28, 2:48 PM EDT	Flash Flood Warning	GSP	Madison	105 min
May 28, 3:50 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	55 min
May 28, 4:15 PM EDT	Special Weather Statement	GSP	Lincoln	45 min
May 28, 4:23 PM EDT	Special Weather Statement	GSP	Henderson	52 min
May 28, 4:24 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln, Mecklenburg	66 min
May 28, 4:28 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Rutherford	62 min
May 28, 4:42 PM EDT	Severe Thunderstorm Warning	GSP	Union	63 min
May 28, 4:54 PM EDT	Areal Flood Advisory	GSP	Union	111 min
May 28, 4:54 PM EDT	Special Weather Statement	GSP	Henderson	51 min
May 28, 4:59 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Henderson, Transylvania	46 min
May 28, 5:15 PM EDT	Severe Thunderstorm Warning	GSP	Polk, Rutherford	49 min
May 28, 5:18 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	117 min
May 28, 5:24 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell, Rutherford	66 min
May 28, 5:38 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell, Catawba	52 min
May 28, 5:54 PM EDT	Severe Thunderstorm Warning	GSP	Iredell, Rowan	66 min
May 28, 6:02 PM EDT	Special Weather Statement	GSP	Cabarrus	43 min
May 28, 6:29 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	61 min
May 28, 7:14 PM EDT	Special Weather Statement	GSP	Buncombe	46 min
May 28, 2:19 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	56 min
May 28, 2:38 PM EDT	Severe Thunderstorm Warning	GSP	Chester, York	67 min
May 28, 3:10 PM EDT	Severe Thunderstorm Warning	GSP	York	46 min
May 28, 5:46 PM EDT	Special Weather Statement	GSP	Greenville	44 min
May 28, 7:04 PM EDT	Special Weather Statement	GSP	Laurens	41 min
May 28, 7:17 PM EDT	Severe Thunderstorm Warning	GSP	Laurens, Spartanburg	58 min
May 28, 7:29 PM EDT	Special Weather Statement	GSP	Anderson	46 min
May 28, 7:33 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens	57 min
May 28, 7:35 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Pickens	55 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2010 Every severe thunderstorm warning in 2010

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.