Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 9, 2012Alexander County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 9, 2012, 8:17 PM EDT for Alexander County, Iredell County, North Carolina. It was in force for 28 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 9, 2012, 8:17 PM EDT (00:17 UTC)
Expired: Aug 9, 2012, 8:45 PM EDT
In force: 28 min
Issued by: NWS Greenville-Spartanburg, SC

Counties Alexander County, NC, Iredell County, NC

The radar

The Roanoke radar (KFCX), 146 km from the middle of the area, began a volume at 00:20 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 00:00Z, 0.3 hours before the alert went out and 341 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: 1243 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 943 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 43 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 9, 7:51 PM EDT, 26 minutes earlier.

Area forecast discussion, Aug 9, 7:51 PM EDT, 26 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 9, 2:43 PM EDT, 5 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
243 PM EDT THU AUG 9 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-101845-
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-
243 PM EDT THU AUG 9 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA FROM THE SOUTHWEST
THROUGH THE LATE AFTERNOON AND EVENING HOURS. SOME OF THESE
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LOCALLY DAMAGING WIND
GUSTS AND LARGE HAIL...ESPECIALLY SOUTHEAST OF THE INTERSTATE 85
CORRIDOR. THE THUNDERSTORMS WILL ALSO PRODUCE TORRENTIAL RAINFALL
AT RATES OF 1 TO 2 INCHES PER HOUR. EXCESSIVE RAINFALL COULD
RESULT IN LOCATIONS REPEATEDLY AFFECTED BY THUNDERSTORMS. ISOLATED
FLOODING IS POSSIBLE...ESPECIALLY OVER THE CENTRAL AND SOUTHERN
MOUNTAINS OF WESTERN NORTH CAROLINA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A STRONG COLD FRONT AND UPPER LEVEL DISTURBANCE WILL APPROACH THE
REGION ON FRIDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS
ASSOCIATED WITH THE FRONT. DAMAGING WIND GUSTS WILL BE THE
PRIMARY THREAT...ESPECIALLY OVER FOOTHILL AND PIEDMONT LOCATIONS
FRIDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

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

GERAPETRITIS

In the hours before

Local storm report, Aug 9, 6:50 PM EDT, 1 hour 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
650 PM EDT THU AUG 09 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0635 PM     TSTM WND GST     5 NNE RUTHERFORDTON     35.43N 81.94W
08/09/2012  M54 MPH          RUTHERFORD         NC   AWOS

&&

MCAVOY

Local storm report, Aug 9, 6:56 PM EDT, 1 hour 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
656 PM EDT THU AUG 09 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0540 PM     TSTM WND DMG     LAURENS                 34.50N 82.03W
08/09/2012                   LAURENS            SC   911 CALL CENTER

            A TREE FELL ON A POWER LINE ON HILLTOP ROAD.

&&

JOH

Local storm report, Aug 9, 7:20 PM EDT, 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
720 PM EDT THU AUG 09 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0619 PM     TSTM WND DMG     FOREST CITY             35.34N 81.87W
08/09/2012                   RUTHERFORD         NC   911 CALL CENTER

            TREES DOWN THROUGHOUT THE AREA

&&

LG

Local storm report, Aug 9, 7:24 PM EDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
724 PM EDT THU AUG 09 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0659 PM     TSTM WND DMG     MORGANTON               35.74N 81.70W
08/09/2012                   BURKE              NC   TRAINED SPOTTER

            TREES AND POWER LINES DOWN ON SPAINHOUR RD AND ALONG 181.

&&

LG

Special weather statement, Aug 9, 7:32 PM EDT, 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
732 PM EDT THU AUG 9 2012

SCZ007-008-013-100000-
CHEROKEE-SPARTANBURG-UNION-
732 PM EDT THU AUG 9 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN SPARTANBURG...
NORTHWESTERN UNION AND SOUTHERN CHEROKEE COUNTIES THROUGH 800 PM
EDT...

AT 729 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES WEST OF JONESVILLE...OR 10 MILES
NORTHWEST OF UNION...MOVING NORTH AT 20 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  JONESVILLE...
  PACOLET...
  THICKETTY...

WIND GUSTS UP TO 40 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH THIS
STORM.

LAT...LON 3512 8177 3505 8151 3471 8159 3476 8200

NED

Special weather statement, Aug 9, 8:17 PM EDT, 0 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
Aug 9, 8:46 PM EDT	Special Weather Statement	GSP	Gaston, Mecklenburg	29 min
Aug 9, 10:25 PM EDT	Special Weather Statement	GSP	Union	50 min
Aug 10, 4:21 PM EDT	Areal Flood Advisory	GSP	Caldwell	59 min
Aug 10, 7:47 PM EDT	Special Weather Statement	GSP	Buncombe	28 min
Aug 9, 8:22 PM EDT	Special Weather Statement	GSP	York	38 min
Aug 10, 2:48 AM EDT	Areal Flood Advisory	GSP	Greenville	2 hr
Aug 10, 4:54 AM EDT	Areal Flood Advisory	GSP	Greenville	2 hr
Aug 10, 6:13 PM EDT	Special Weather Statement	GSP	Pickens	32 min
Aug 10, 6:54 PM EDT	Special Weather Statement	GSP	Pickens	36 min
Aug 10, 7:37 PM EDT	Special Weather Statement	GSP	Greenville	38 min
Aug 10, 5:12 PM EDT	Special Weather Statement	GSP	Rabun	33 min

Nearby

Special Weather Statements in North Carolina, 2012 Every special weather statement in 2012

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.