Alert archive / North Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 152, NWS Greenville-Spartanburg, SC

June 27, 20139 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 27, 2013, 3:03 AM EDT for 9 counties in North Carolina. It was in force for 57 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 27, 2013, 3:03 AM EDT (07:03 UTC)
Expired
Jun 27, 2013, 4:00 AM EDT
In force
57 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Avery County, NC, Buncombe County, NC, Burke County, NC, Haywood County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Swain County, NC, Yancey County, NC

The radar

The Knoxville radar (KMRX), 98 km from the middle of the area, began a volume at 07:06 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 00:00Z, 7.1 hours before the alert went out and 230 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 00:00Z on 2013-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 771 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 00:00Z on 2013-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 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
771 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
993 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
96 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 27, 1:55 AM EDT, 1 hour 8 minutes earlier.

Area forecast discussion, Jun 27, 1:55 AM EDT, 1 hour 8 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 26, 3:19 PM EDT, 11 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
319 PM EDT WED JUN 26 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-271930-
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 NC-
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-UNION SC-CHESTER-GREENWOOD-
319 PM EDT WED JUN 26 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS WILL CONTINUE INTO THE LATE AFTERNOON
HOURS. THE STORMS WILL MOVE SLOWLY AND PRODUCE LOCALLY HEAVY
RAINFALL ALONG WITH CLOUD TO GROUND LIGHTNING. A FEW OF THE STORMS
MAY BECOME SEVERE AND PRODUCE LARGE HAIL AND DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

A WEAK FRONTS PASSING THROUGH THE AREA BOTH THURSDAY AND AGAIN ON
FRIDAY WILL TRIGGER TO SCATTERED TO NUMEROUS AFTERNOON THUNDERSTORMS...A
FEW OF WHICH ARE LIKELY TO PRODUCE LARGE HAIL AND DAMAGING WINDS.
OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

NONE.

LG

In the hours before

Special weather statement, Jun 26, 9:04 PM EDT, 5 hours 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>

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 9:04 PM EDTSpecial Weather StatementGSPCabarrus41 min
Jun 27, 3:58 AM EDTSpecial Weather StatementGSPAvery, Buncombe, Burke, Caldwell, Haywood, McDowell and 2 more47 min
Jun 27, 4:14 PM EDTSpecial Weather StatementGSPUnion61 min
Jun 27, 4:56 PM EDTAreal Flood AdvisoryGSPMadison2 hr
Jun 27, 5:07 PM EDTSpecial Weather StatementGSPUnion53 min
Jun 27, 7:10 PM EDTAreal Flood AdvisoryGSPGaston110 min
Jun 27, 7:18 PM EDTSpecial Weather StatementGSPCabarrus72 min
Jun 27, 7:41 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Rowan64 min
Jun 27, 2:18 PM EDTSpecial Weather StatementGSPCherokee42 min
Jun 27, 2:26 PM EDTSpecial Weather StatementGSPGreenwood49 min
Jun 27, 3:24 PM EDTSevere Thunderstorm WarningGSPChester, York51 min
Jun 27, 4:35 PM EDTSpecial Weather StatementGSPSpartanburg40 min
Jun 27, 5:22 PM EDTSpecial Weather StatementGSPSpartanburg53 min
Jun 27, 5:29 PM EDTAreal Flood AdvisoryGSPSpartanburg2 hr
Jun 27, 5:44 PM EDTSevere Thunderstorm WarningGSPSpartanburg46 min
Jun 27, 6:21 PM EDTSpecial Weather StatementGSPYork54 min
Jun 27, 6:31 PM EDTSpecial Weather StatementGSPSpartanburg59 min
Jun 27, 6:35 PM EDTSpecial Weather StatementGSPGreenville40 min
Jun 27, 7:14 PM EDTSpecial Weather StatementGSPGreenville46 min
Jun 27, 7:33 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg57 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2013Every severe thunderstorm warning in 2013

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.