Alert archive / South Carolina / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 147, NWS Greenville-Spartanburg, SC

June 24, 2018Cherokee County, Spartanburg County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 24, 2018, 5:53 PM EDT for Cherokee County, Spartanburg County, Union County, South Carolina. It was in force for 52 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
Jun 24, 2018, 5:53 PM EDT (21:53 UTC)
Expired
Jun 24, 2018, 6:45 PM EDT
In force
52 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cherokee County, SC, Spartanburg County, SC, Union County, SC

The radar

The Greer radar (KGSP), 43 km from the middle of the area, began a volume at 21:56 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, 9.9 hours before the alert went out and 213 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2018-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2018-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
11 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
1456 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
66 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 Jun 24, 5:16 PM EDT, 37 minutes earlier.

Area forecast discussion, Jun 24, 5:16 PM EDT, 37 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, Jun 24, 5:25 AM EDT, 12 hours 28 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
525 AM EDT Sun Jun 24 2018

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-250930-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Avery-Alexander-
Iredell-Davie-Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Catawba-
Rowan-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania-
Henderson-Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union-
Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke-
McDowell Mountains-Eastern McDowell-Rutherford Mountains-
Greater Rutherford-Polk Mountains-Eastern Polk-Oconee Mountains-
Pickens Mountains-Greenville Mountains-Greater Oconee-
Greater Pickens-Greater Greenville-Spartanburg-Cherokee-York-
Anderson-Abbeville-Laurens-Chester-Greenwood-
525 AM EDT Sun Jun 24 2018

This Hazardous Weather Outlook is for northeast Georgia, piedmont
North Carolina, western North Carolina and upstate South Carolina.

.DAY ONE...Today and Tonight.

Isolated to scattered thunderstorms are expected today and tonight.
Cloud-to-ground lightning, gusty winds, and torrential rainfall will
be possible with any of these storms.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

..Monday...No hazardous weather is expected at this time.
..Tuesday...No hazardous weather is expected at this time.
..Wednesday...No hazardous weather is expected at this time.
..Thursday...No hazardous weather is expected at this time.
..Friday...No hazardous weather is expected at this time.
..Saturday...No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

Wimberley

In the hours before

Local storm report, Jun 24, 5:40 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>
Local storm report, Jun 24, 5:44 PM EDT, 9 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, Jun 24, 5:46 PM EDT, 7 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, Jun 24, 5:47 PM EDT, 6 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, Jun 24, 5:48 PM EDT, 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, Jun 24, 5:51 PM EDT, 2 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.

IssuedProductOfficeCountiesLasted
Jun 24, 6:05 AM EDTSpecial Weather StatementGSPAvery, Mitchell55 min
Jun 24, 1:53 PM EDTSpecial Weather StatementGSPGraham37 min
Jun 24, 2:48 PM EDTSpecial Weather StatementGSPGraham, Swain27 min
Jun 24, 3:08 PM EDTSpecial Weather StatementGSPGraham, Macon, Swain37 min
Jun 24, 3:33 PM EDTSevere Thunderstorm WarningGSPGraham, Macon, Swain42 min
Jun 24, 3:37 PM EDTSpecial Weather StatementGSPMadison23 min
Jun 24, 3:58 PM EDTSpecial Weather StatementGSPMadison32 min
Jun 24, 4:00 PM EDTSpecial Weather StatementGSPJackson30 min
Jun 24, 4:11 PM EDTSevere Thunderstorm WarningGSPJackson, Macon, Transylvania49 min
Jun 24, 4:22 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford38 min
Jun 24, 4:35 PM EDTSpecial Weather StatementGSPMecklenburg55 min
Jun 24, 4:36 PM EDTSevere Thunderstorm WarningGSPTransylvania39 min
Jun 24, 4:43 PM EDTSpecial Weather StatementGSPRowan32 min
Jun 24, 5:07 PM EDTSevere Thunderstorm WarningGSPMadison38 min
Jun 24, 5:15 PM EDTSpecial Weather StatementGSPUnion60 min
Jun 24, 5:29 PM EDTSevere Thunderstorm WarningGSPBuncombe46 min
Jun 24, 7:03 PM EDTSpecial Weather StatementGSPMacon42 min
Jun 24, 7:26 PM EDTSpecial Weather StatementGSPMadison, Yancey34 min
Jun 24, 7:54 PM EDTSpecial Weather StatementGSPMitchell, Yancey36 min
Jun 24, 2:38 PM EDTSpecial Weather StatementGSPSpartanburg37 min
Jun 24, 2:50 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg40 min
Jun 24, 3:44 PM EDTSpecial Weather StatementGSPSpartanburg31 min
Jun 24, 4:29 PM EDTSpecial Weather StatementGSPChester31 min
Jun 24, 4:39 PM EDTSevere Thunderstorm WarningGSPChester, Union, York51 min
Jun 24, 4:55 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Pickens50 min
Jun 24, 5:09 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg51 min
Jun 24, 5:24 PM EDTSpecial Weather StatementGSPSpartanburg36 min
Jun 24, 5:46 PM EDTSpecial Weather StatementGSPLaurens29 min
Jun 24, 5:47 PM EDTSpecial Weather StatementGSPChester28 min
Jun 24, 5:48 PM EDTSpecial Weather StatementGSPAbbeville27 min
Jun 24, 6:00 PM EDTSpecial Weather StatementGSPUnion30 min
Jun 24, 6:09 PM EDTSpecial Weather StatementGSPGreenwood, Laurens36 min
Jun 24, 6:13 PM EDTSpecial Weather StatementGSPChester32 min
Jun 24, 6:29 PM EDTSpecial Weather StatementGSPUnion31 min
Jun 24, 6:44 PM EDTSpecial Weather StatementGSPChester31 min
Jun 24, 6:52 PM EDTSevere Thunderstorm WarningGSPChester, Union53 min
Jun 24, 4:33 PM EDTSpecial Weather StatementGSPHabersham27 min
Jun 24, 4:48 PM EDTSpecial Weather StatementGSPHart42 min
Jun 24, 5:12 PM EDTSevere Thunderstorm WarningGSPFranklin, Hart, Stephens48 min
Jun 24, 6:19 PM EDTSpecial Weather StatementGSPElbert26 min
Jun 24, 6:40 PM EDTSpecial Weather StatementGSPElbert35 min
Jun 24, 7:41 PM EDTSpecial Weather StatementGSPFranklin, Habersham, Stephens34 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2018Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.