Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Greenville-Spartanburg, SC

June 22, 2011Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jun 22, 2011, 8:10 PM EDT for Caldwell County, North Carolina. It was in force for 50 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: Jun 22, 2011, 8:10 PM EDT (00:10 UTC)
Expired: Jun 22, 2011, 9:00 PM EDT
In force: 50 min
Issued by: NWS Greenville-Spartanburg, SC

County Caldwell County, NC

The radar

The Greer radar (KGSP), 131 km from the middle of the area, began a volume at 00:10 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, 0.2 hours before the alert went out and 155 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: 235 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1673 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 89 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 Jun 22, 7:51 PM EDT, 19 minutes earlier.

Area forecast discussion, Jun 22, 7:51 PM EDT, 19 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
751 PM EDT WED JUN 22 2011

.SYNOPSIS...
A WEAK COLD FRONT WILL MOVE ACROSS THE AREA LATE TONIGHT INTO
THURSDAY. THE FRONT IS EXPECTED TO STALL JUST SOUTH OF THE AREA
THURSDAY NIGHT. WEAK HIGH PRESSURE WILL DEVELOP NORTHWEST OF THE
AREA ON FRIDAY MOVE TO THE NORTH OF THE AREA THIS WEEKEND. THE
LINGERING FRONT WILL KEEP THE WEEKEND UNSETTLED...MAINLY ACROSS
SOUTH CAROLINA AND NORTHEAST GEORGIA.

&&

.NEAR TERM /THROUGH THURSDAY/...
AT 2245Z...THREAT FOR TSTMS WITH DAMAGING WIND GUSTS WILL EXIST
FROM I-26 AND POINTS ENEWARD THROUGH LATE EVENING. REFER TO WARNINGS
ASSOCIATED WITH WW540.

PREVIOUS DISCUSSION...
THE NEAR TERM PERIOD WILL SEE AN UPPER TROUGH BECOME
ESTABLISHED OVER THE EASTERN U.S. WITH AN UPPER LOW CENTERED OVER
THE GREAT LAKES. AS THIS OCCURS...A WEAK SURFACE COLD FRONT AND
ATTENDANT MOISTURE BAND WILL MOVE FROM WEST TO EAST ACROSS THE
REGION. THERE ARE TIMING DIFFERENCES AMONG THE MODELS WITH THIS
FEATURE WITH THE NAM THE SLOWEST AND THE GFS FASTER. ACTUALLY THE
SREF IS CLOSER TO THE FASTER GFS...SO THIS GIVES SOME SUPPORT
UTILIZING THE FASTER GFS TIMING.

IN REGARD TO SENSIBLE WEATHER...INSTABILITY RAMPING UP ACROSS THE
FORECAST AREA WITH LAPS CAPES OUTSIDE THE MOUNTAINS IN THE
1500-2000J RANGE...EXTENDING INTO THE WESTERN NC MOUNTAINS.
MESOSCALE MODELS LIKE HRRR AND LOCAL WRF ARW DEVELOP WIDELY
SCATTERED TO SCATTERED THUNDERSTORMS DURING THE LATE AFTERNOON
HOURS. WITH DCAPES OVER 1000J CAN'T RULE OUT A COUPLE ISOLATED
SEVERE STORMS...BUT IT SHOULD NOT BE ANYTHING LIKE TUE EVENING.
APART FROM THE INSTABILITY CONVECTION LATE THIS AFTERNOON AND
EVENING...THE GFS DEPICTS A SHORT WAVE MOVING THROUGH THE AREA
OVERNIGHT. THIS APPEARS TO BE CONNECTED WITH THE CONVECTIVE CLUSTER
CURRENTLY OVER EASTERN MS AT MID AFTERNOON. THE UPSHOT IS THAT WE
EXPECT ANOTHER ROUND OF CONVECTION IN THE 02Z-08Z TIMEFRAME. HENCE
WILL MAINTAIN RATHER ROBUST POPS TONIGHT...WITH HIGHEST CONFIDENCE
OVER WESTERN AREAS. FRONT MOVES ACROSS THE AREA THU MORNING. BEST
MOISTURE AND WEAK FORCING OVER THE UPSTATE SHOULD PRODUCE SCATTERED
AFTERNOON CONVECTION...WITH WEAK DOWNSLOPE WINDS DRYING THINGS OUT
LATE. CAN'T RULE OUT WIDELY SCATTERED SHOWERS/THUNDERSTORMS IN THE
MOUNTAINS LATE IN THE DAY AS ANOTHER SHORT WAVE APPROACHES. MAX
TEMPS ON THU WILL BE CLOSE TO SEASONAL LEVELS USING A MOS BLEND
APPROACH.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/...
AS OF 130 PM WEDNESDAY...THE SHORT TERM FCST PICKS UP AT 00Z ON
FRIDAY WITH THE UPPER TROF CENTERED OVER THE GREAT LAKES REGION AND
AN UPPER RIDGE MOVING INTO THE NORTHERN PLAINS BEHIND THE TROF. OVER
THE NEXT 48 HRS OR SO...THE UPPER TROF WILL LIFT TO THE NE AND
DEAMPLIFY AS THE UPPER RIDGE SLIDES FARTHER EAST.

LATE THURSDAY AND INTO FRIDAY...A COLD FRONT WILL MOVE OVER THE FCST
AREA FROM THE WEST THURS AND THURS NIGHT AND THEN STALL OUT AS IT
REACHES THE COAST. ALTHOUGH SOME DRYING IS EXPECTED BEHIND THE
FRONT...BOUNDARY LAYER WINDS SHOULD REMAIN WEST TO SWLY UNTIL
SATURDAY AND KEEP SOME FAIRLY DECENT LOW LVL MOISTURE OVER THE AREA.
THAT COUPLED WITH HEALTHY INSTABILITY OVER MOST OF THE CWA AND THE
UPPER LVL SUPPORT FROM THE H5 TROF AND A DECENT LOW LVL JET IN THE
RANGE OF 30 TO 40KTS...SHOULD PROVIDE A FAVORABLE ENVIRONMENT FOR SH
AND TS IN THE AFTERNOON/EVENING WITH SOME DEGREE OF ORGANIZATION
POSSIBLE. I ADVERTISE A SOLID CHANCE FOR SH AND TS FROM APPROX 12Z
ONWARD WITH THE HIGHEST POPS OVER THE NC MTS. SPC CURRENTLY HAS MOST
OF THE CWFA IN A SLIGHT SVR RISK THRU 12Z SAT...AND I AM THINKING
THAT THE NC MTS WILL HAVE A HIGHER OVERALL RISK COMPARED TO THE LOWER
TERRAIN ON FRI.

ON SATURDAY...THE FCST REMAINS TRICKY WITH HEIGHTS BEGINNING TO RISE
AS THE UPPER TROF PULLS AWAY TO THE NE. THE MODELS DIFFER ON THE
STRENGTH AND TIMING OF THE UPPER SHWV ENERGY ON SAT WHICH IS
EXPECTED TO BE THE MAIN TRIGGER FOR ANY CONVECTION. THE LATEST 12Z
GFS HAS A SHWV APPROACHING THE CAROLINAS BY 12Z SAT WHILE THE
ECMWF...CMC...AND NAM12 DONT HAVE THE FEATURE APPROACHING UNTIL
EARLY SUN. OVERALL...THE LOW TO MID LVL MOISTURE FLUX INCREASES
DURING THE DAY AS INSTABILITY GROWS...HOWEVER MID AND UPPER LVL
SUPPORT DWINDLES AS THE UPPER RIDGE BUILDS. HAVE SOLID CHANCE FOR
AFTERNOON/EVENING CONVECTION...WITH THE THREAT OF SIGNIFICANT
ORGANIZATION LESS LIKELY THAN FRI. TEMPS WILL REMAIN ABOUT A
CATEGORY ABOVE NORMAL WITH HIGHS AROUND 90 FOR THE LOWER ELEVATIONS
AND LOW TO MID 80S FOR THE HIGHER TERRAIN.

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
AS OF 130 PM WEDNESDAY...A FAIRLY LOW AMPLITUDE UPPER PATTERN WILL
BE IN PLACE LATE THIS WEEKEND. WEAK UPPER JET MAXIMA WILL PASS
MAINLY NORTH OF THE FORECAST AREA. AT THE SFC...A FRONT WILL REMAIN
STALLED ACROSS THE REGION ON SUNDAY AND BOUNDARY LAYER MOISTURE WILL
REMAIN FAIRLY HIGH. THIS WILL WARRANT SOLID CHANCE POPS FOR
CONVECTIVE COVERAGE DURING THE AFTN AND EVENING HOURS. A DIGGING
SHORTWAVE MAY CROSS THE REGION ON MONDAY AS THE SURFACE FRONT LIFTS
SLOWLY NORTHWARD. CONVECTIVE COVERAGE SHOULD IMPROVE ON MONDAY AND
IT COULD ARRIVE IN WRN MTN LOCATIONS DURING THE MORNING...DEPENDING
ON THE SHORTWAVE TIMING.

THE WARM SECTOR AIRMASS AND ABUNDANT LOW LEVEL MOISTURE WILL THEN
REMAIN IN PLACE TUE THROUGH WED...WITH WEAK AND HARD TO TIME
SHORTWAVES LIKELY CROSSING THE REGION...OR AT LEAST THE NRN TIER OF
THE FORECAST AREA. THIS WILL LEAD TO A RETURN TO MORE DIURNALLY
FAVORED AFTN AND EVENING CONVECTION. MAX AND MIN TEMPS SHOULD REMAIN
NEAR NORMAL...OR A FEW DEGREES ABOVE NORMAL...THROUGH THE PERIOD.

&&

.AVIATION /00Z THURSDAY THROUGH MONDAY/...
AT KCLT...EXTRAPOLATION OF THE 50 KT GUST FRONT MOVES IT ACRS THE
TERMINAL AROUND 01 UTC WITH ABOUT AN HOURS WORTH OF MODERATE SHOWERS
IN IT/S WAKE. WOULD EXPECT CONDITIONS TO IMPROVE RAPIDLY AFTER
02Z...WITH VFR CONDITIONS...MAINLY IN THE FORM OF DEBRIS CLOUDS
EXPECTED INTO THE OVERNIGHT HOURS AND INTO THURSDAY MORNING.
ADDITIONAL ENERGY ROTATING THROUGH EASTERN CONUS L/WV TROUGH COULD
RESULT IN ANOTHER ROUND OF STORMS THURSDAY AFTERNOON.

OUTLOOK...GENERALLY VFR CONDITIONS EXPECTED INTO THE WEEKEND EXCEPT
FOR LOCAL RESTRICTIONS IN THUNDERSTORMS EACH AFTERNOON AND
EVENING...AND IN MOUNTAIN VALLEY FOG EACH MORNING TOWARD DAYBREAK.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...JPT
NEAR TERM...CSH/LG
SHORT TERM...JPT
LONG TERM...HG
AVIATION...CSH/LG

Hazardous weather outlook, Jun 22, 5:39 PM EDT, 2 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
539 PM EDT WED JUN 22 2011

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-501>510-SCZ001>014-019-232145-
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-
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-
539 PM EDT WED JUN 22 2011

...SEVERE THUNDERSTORM WATCH 540 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

NCZ082-232145-
UNION NC-
539 PM EDT WED JUN 22 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA.

.DAY ONE...TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS THE AREA
THROUGH THE LATE EVENING. SOME OF THESE STORMS COULD BECOME SEVERE
AND PRODUCE DAMAGING WINDS AND LARGE HAIL.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Jun 22, 8:02 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
802 PM EDT WED JUN 22 2011

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

0720 PM     TSTM WND DMG     GREENVILLE              34.84N 82.37W
06/22/2011                   GREENVILLE         SC   BROADCAST MEDIA

            LARGE TREE DOWN PARK AVENUE DOWNTOWN GREENVILLE.

&&

HG

Local storm report, Jun 22, 8:05 PM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
805 PM EDT WED JUN 22 2011

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

0753 PM     TSTM WND DMG     FLETCHER                35.43N 82.50W
06/22/2011                   HENDERSON          NC   LAW ENFORCEMENT

            POWER LINES DOWN ALONG RUGBY ROAD.

&&

HG

Special weather statement, Jun 22, 8:06 PM EDT, 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
806 PM EDT WED JUN 22 2011

SCZ019-230045-
GREENWOOD-
806 PM EDT WED JUN 22 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN GREENWOOD COUNTY
THROUGH 845 PM EDT...

AT 801 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHWEST OF CALLISON...OR 11 MILES SOUTH
OF GREENWOOD...MOVING EAST AT 35 MPH.

THIS STORM WILL BE NEAR...
  NINETY SIX...

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

LAT...LON 3398 8205 3398 8216 3397 8219 3398 8222
      3410 8228 3422 8196 3420 8192 3414 8187
      3395 8201 3395 8204

ARK

Local storm report, Jun 22, 8:07 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
807 PM EDT WED JUN 22 2011

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

0730 PM     TSTM WND GST     TAYLORS                 34.92N 82.31W
06/22/2011  E0 MPH           GREENVILLE         SC   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN ALONG LYNN ROAD.

&&

HG

Local storm report, Jun 22, 8:07 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
807 PM EDT WED JUN 22 2011

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

0730 PM     TSTM WND DMG     TAYLORS                 34.92N 82.31W
06/22/2011                   GREENVILLE         SC   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN ALONG LYNN ROAD.

&&

HG

Special weather statement, Jun 22, 8:10 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
810 PM EDT WED JUN 22 2011

NCZ501>504-230100-
BURKE MOUNTAINS-CALDWELL MOUNTAINS-GREATER BURKE-GREATER CALDWELL-
810 PM EDT WED JUN 22 2011

...A STRONG THUNDERSTORM WILL AFFECT CALDWELL AND NORTHWESTERN BURKE
COUNTIES THROUGH 900 PM EDT...

AT 810 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTH OF TABLE ROCK...OR 8 MILES
NORTHWEST OF MORGANTON...MOVING NORTHEAST AT 20 MPH.

THIS STORM WILL BE NEAR...
  COLLETTSVILLE...
  LENOIR...
  PATTERSON...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3598 8138 3569 8181 3581 8196 3613 8163
      3613 8155

HG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 8:10 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Cleveland, Gaston, Lincoln, McDowell, Polk and 1 more	65 min
Jun 22, 8:13 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell	62 min
Jun 22, 8:46 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Catawba, Cleveland, Gaston, Iredell, Lincoln and 2 more	59 min
Jun 22, 8:49 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Avery, Burke, Caldwell, Catawba, Cleveland and 4 more	56 min
Jun 22, 9:34 PM EDT	Special Weather Statement	GSP	Alexander, Cabarrus, Davie, Iredell, Rowan	41 min
Jun 23, 8:28 AM EDT	Special Weather Statement	GSP	Cleveland, Henderson, McDowell, Polk, Rutherford, Transylvania	47 min
Jun 22, 8:06 PM EDT	Special Weather Statement	GSP	Greenwood	39 min
Jun 22, 9:57 PM EDT	Special Weather Statement	GSP	Greenwood	48 min
Jun 23, 4:30 PM EDT	Special Weather Statement	GSP	Abbeville, Greenwood	30 min
Jun 22, 9:37 PM EDT	Special Weather Statement	GSP	Habersham, Stephens	38 min

Nearby

Special Weather Statements in North Carolina, 2011 Every special weather statement in 2011

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.