Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 222, NWS Greenville-Spartanburg, SC

July 8, 2014Graham County, Macon County, Swain County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 8, 2014, 5:47 PM EDT for Graham County, Macon County, Swain County, North Carolina. It was in force for 58 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 8, 2014, 5:47 PM EDT (21:47 UTC)
Expired: Jul 8, 2014, 6:45 PM EDT
In force: 58 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Graham County, NC, Macon County, NC, Swain County, NC

The radar

The Knoxville radar (KMRX), 95 km from the middle of the area, began a volume at 21:47 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

Nashville Metro, TN (KBNA), launched 12:00Z, 9.8 hours before the alert went out and 287 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: 582 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 1160 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -55 m²/s²
0-3 km storm-relative helicity: -14 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 8, 5:24 PM EDT, 23 minutes earlier.

Area forecast discussion, Jul 8, 5:24 PM EDT, 23 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, Jul 8, 2:55 PM EDT, 2 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
255 PM EDT TUE JUL 8 2014

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-
506-508-510-SCZ001>014-019-091900-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-
GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
255 PM EDT TUE JUL 8 2014

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 THIS AFTERNOON AND
EVENING. THE MAIN THREAT FROM THESE THUNDERSTORMS WILL BE CLOUD
TO GROUND LIGHTNING....BUT A FEW OF THE STORMS COULD PRODUCE GUSTY
WINDS AND HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

..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.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

NCZ033-048>053-058-059-062>065-501-503-505-507-509-091900-
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
255 PM EDT TUE JUL 8 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE
MOUNTAINS THIS AFTERNOON AND EVENING. THE MAIN THREAT FROM THESE
THUNDERSTORMS WILL BE CLOUD TO GROUND LIGHTNING...BUT A FEW OF
THEM MAY PRODUCE GUSTY WINDS AND SMALL HAIL. THERE IS ALSO THE
POSSIBILITY THAT AN ORGANIZED CLUSTER OF THUNDERSTORMS WILL MOVE
INTO THE MOUNTAINS FROM TENNESSEE LATER TONIGHT. IF THIS
OCCURS...THERE WILL BE A SMALL RISK OF SEVERE WEATHER IN THE FORM
OF DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

..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.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Jul 8, 1:12 PM EDT, 4 hours 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, Jul 8, 1:41 PM EDT, 4 hours 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, Jul 8, 3:14 PM EDT, 2 hours 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
314 PM EDT TUE JUL 8 2014

SCZ007-012-013-082000-
LAURENS-SPARTANBURG-UNION-
314 PM EDT TUE JUL 8 2014

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL UNION...SOUTHEASTERN
SPARTANBURG AND EAST CENTRAL LAURENS COUNTIES IN UPSTATE SOUTH
CAROLINA THROUGH 400 PM EDT...

AT 310 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES EAST OF ENOREE...OR 13 MILES NORTHEAST OF
LAURENS...MOVING EAST AT 30 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  CROSS KEYS...
  BUFFALO...
  UNION...
  CARLISLE...

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

LAT...LON 3454 8200 3475 8200 3479 8145 3476 8145
      3474 8149 3473 8149 3472 8145 3470 8146
      3469 8145 3458 8144 3451 8161 3452 8164
      3449 8167

ARK

Special weather statement, Jul 8, 5:01 PM EDT, 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
501 PM EDT TUE JUL 8 2014

NCZ033-048>052-058-082215-
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-GRAHAM-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...CHEROKEE...
BRYSON CITY...WAYNESVILLE
501 PM EDT TUE JUL 8 2014

...LINE OF STRONG TO SEVERE STORMS APPROACHING THE NORTH CAROLINA MOUNTAINS...

AT 458 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG STORMS
ACROSS THE GREAT TENNESSEE RIVER VALLEY...MOVING EAST AT ABOUT 30
MPH.

DAMAGING WINDS HAVE BEEN REPORTED WITH SOME OF THESE STORMS...AND
THEREFORE SEVERE THUNDERSTORM WARNINGS WILL LIKELY BE ISSUED FOR
COUNTIES ALONG THE TENNESSEE BORDER WITHIN THE NEXT HOUR.

ARK

Special weather statement, Jul 8, 5:16 PM EDT, 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
516 PM EDT TUE JUL 8 2014

NCZ033-501-502-082200-
AVERY-CALDWELL MOUNTAINS-GREATER CALDWELL-
516 PM EDT TUE JUL 8 2014

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CALDWELL AND
NORTHERN AVERY COUNTIES THROUGH 600 PM EDT...

AT 511 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES EAST OF HAMPTON...OR 10 MILES SOUTHEAST
OF ELIZABETHTON...MOVING EAST AT 40 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  BANNER ELK...

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

LAT...LON 3628 8189 3621 8190 3619 8184 3616 8182
      3612 8181 3613 8155 3610 8151 3609 8147
      3591 8153 3611 8208 3613 8205 3613 8203
      3629 8192

ARK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 5:16 PM EDT	Special Weather Statement	GSP	Avery, Caldwell	44 min
Jul 8, 5:24 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Madison, Swain	40 min
Jul 8, 5:31 PM EDT	Severe Thunderstorm Warning	GSP	Avery	29 min
Jul 8, 6:09 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Caldwell, Iredell	66 min
Jul 8, 7:00 PM EDT	Special Weather Statement	GSP	Macon	45 min
Jul 8, 7:10 PM EDT	Special Weather Statement	GSP	Jackson	50 min
Jul 8, 7:51 PM EDT	Special Weather Statement	GSP	Transylvania	39 min
Jul 8, 1:12 PM EDT	Special Weather Statement	GSP	Oconee, Pickens	48 min
Jul 8, 1:41 PM EDT	Special Weather Statement	GSP	Greenville, Pickens	64 min
Jul 8, 3:14 PM EDT	Special Weather Statement	GSP	Union	46 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014 Every severe thunderstorm warning in 2014

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.