Alert archive / North Carolina / Special Weather Statements in 2014

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 22, 2014Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 22, 2014, 4:00 PM EDT for Union County, North Carolina. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 22, 2014, 4:00 PM EDT (20:00 UTC)
Expired
Aug 22, 2014, 5:00 PM EDT
In force
60 min
Issued by
NWS Greenville-Spartanburg, SC

County Union County, NC

The radar

The Columbia radar (KCAE), 141 km from the middle of the area, began a volume at 20:01 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, 8.0 hours before the alert went out and 122 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 2014-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 2014-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
212 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 22, 2:38 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Aug 22, 2:38 PM EDT, 1 hour 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, Aug 22, 11:22 AM EDT, 4 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1122 AM EDT FRI AUG 22 2014

GAZ010-017-018-026-028-029-NCZ051-058-059-062-063-SCZ001>014-019-
231530-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-SWAIN-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1122 AM EDT FRI AUG 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...EXTREME
SOUTHWEST NORTH CAROLINA...AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP
ACROSS THE AREA THIS AFTERNOON AND EVENING. CLOUD TO GROUND
LIGHTNING WILL BE THE PRIMARY THREAT WITH THESE STORMS.
HOWEVER...A FEW STORMS COULD PRODUCE DAMAGING WIND GUSTS AND
POSSIBLY HAIL. THERE IS SOME POTENTIAL THAT A WEAKENING LINE OF
THUNDERSTORMS COULD APPROACHING THE REGION FROM THE NORTH LATE
THIS EVENING INTO THE EARLY OVERNIGHT HOURS. GUSTY WINDS WOULD BE
THE MAIN THREAT IF THAT MATERIALIZES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

..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.
..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.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

NCZ033-035>037-048>050-052-053-056-057-064-065-068>072-082-501>510-
231530-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-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-
1122 AM EDT FRI AUG 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOST OF WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS MAY DEVELOP THIS AFTERNOON AND
EVENING...ESPECIALLY ALONG AND NORTH OF INTERSTATE 40 IN WESTERN
NORTH CAROLINA. CLOUD TO GROUND LIGHTNING WILL BE THE PRIMARY
THREAT WITH THESE STORMS. HOWEVER...A FEW STORMS COULD PRODUCE
DAMAGING WIND GUSTS AND LARGE HAIL. IT IS POSSIBLE THAT AN
ORGANIZED LINE OF THUNDERSTORMS COULD DEVELOP OVER THE OHIO VALLEY
OR EASTERN KENTUCKY EARLY THIS EVENING. STEERING WINDS COULD
BRING THE STORMS ACROSS WESTERN NORTH CAROLINA DURING THE MID TO
LATE EVENING HOURS. IF THIS SCENARIO DEVELOPS...THE POTENTIAL FOR
DAMAGING WINDS WILL INCREASE ACROSS THE CENTRAL AND NORTHERN NORTH
CAROLINA MOUNTAINS...AS WELL AS THE ADJACENT FOOTHILLS AND
POSSIBLY THE PIEDMONT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

..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.
..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.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

HG

In the hours before

Special weather statement, Aug 22, 4:00 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
400 PM EDT FRI AUG 22 2014

NCZ082-222100-
UNION-
400 PM EDT FRI AUG 22 2014

...A STRONG THUNDERSTORM WILL AFFECT EASTERN UNION COUNTY IN THE
PIEDMONT OF NORTH CAROLINA THROUGH 500 PM EDT...

AT 358 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 9 MILES SOUTHEAST OF MIDLAND...OR 15 MILES
NORTHEAST OF MONROE...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  MARSHVILLE...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THIS STORM.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

LAT...LON 3482 8031 3481 8032 3481 8033 3518 8051
      3519 8049 3517 8044 3518 8037 3517 8035
      3520 8029 3519 8027

CDG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 8:26 PM EDTSpecial Weather StatementGSPRowan64 min
Aug 22, 4:04 PM EDTSpecial Weather StatementGSPMecklenburg56 min
Aug 22, 4:32 PM EDTSpecial Weather StatementGSPMecklenburg43 min
Aug 22, 4:41 PM EDTSevere Thunderstorm WarningGSPHenderson49 min
Aug 22, 6:35 PM EDTSpecial Weather StatementGSPCatawba40 min
Aug 22, 4:20 PM EDTSpecial Weather StatementGSPGreenville55 min
Aug 22, 5:27 PM EDTSpecial Weather StatementGSPGreenville48 min

Nearby

Special Weather Statements in North Carolina, 2014Every special weather statement 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.