Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 27, NWS Greenville-Spartanburg, SC

March 15, 2008Greenwood County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 15, 2008, 8:36 AM EDT for Greenwood County, Laurens County, South Carolina. It was in force for 42 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: Mar 15, 2008, 8:36 AM EDT (12:36 UTC)
Expired: Mar 15, 2008, 9:18 AM EDT
In force: 42 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Greenwood County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 64 km from the middle of the area, began a volume at 12:39 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, 0.6 hours before the alert went out and 248 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: 585 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 636 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Mar 15, 3:22 AM EDT, 5 hours 14 minutes earlier.

Area forecast discussion, Mar 15, 3:22 AM EDT, 5 hours 14 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, Mar 15, 5:02 AM EDT, 3 hours 34 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

Special weather statement, Mar 15, 7:31 AM EDT, 1 hour 5 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, Mar 15, 8:11 AM EDT, 25 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
Mar 15, 3:37 PM EDT	Severe Thunderstorm Warning	GSP	Union	38 min
Mar 15, 3:46 PM EDT	Lake Wind Advisory	GSP	Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more	18 hr
Mar 15, 3:49 PM EDT	Tornado Warning	GSP	Union	26 min
Mar 15, 4:24 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg, Union	66 min
Mar 15, 4:51 AM EDT	Dense Fog Advisory	GSP	Abbeville, Anderson, Greenwood, Laurens, Union	5 hr
Mar 15, 7:59 AM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	46 min
Mar 15, 3:11 PM EDT	Tornado Warning	GSP	Abbeville, Anderson	49 min
Mar 15, 3:28 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Chester, Union, York	78 min
Mar 15, 3:46 PM EDT	Tornado Warning	GSP	Greenwood, Laurens	44 min
Mar 15, 3:49 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens, Spartanburg	41 min
Mar 15, 4:00 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	30 min
Mar 15, 4:24 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	41 min
Mar 15, 4:40 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	31 min
Mar 15, 4:58 PM EDT	Tornado Warning	GSP	Abbeville, Anderson	47 min
Mar 15, 5:22 PM EDT	Tornado Warning	GSP	Greenwood, Laurens	38 min
Mar 15, 2:17 PM EDT	Tornado Warning	GSP	Elbert, Franklin, Hart	58 min
Mar 15, 3:21 PM EDT	Severe Thunderstorm Warning	GSP	Elbert, Hart	54 min
Mar 15, 3:54 PM EDT	Tornado Warning	GSP	Elbert	37 min
Mar 15, 4:20 PM EDT	Tornado Warning	GSP	Franklin, Hart	40 min
Mar 15, 5:26 PM EDT	Severe Thunderstorm Warning	GSP	Elbert	37 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2008 Every severe thunderstorm warning in 2008

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.