Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 10, 2012Henderson County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 10, 2012, 1:39 PM EDT for Henderson County, North Carolina. It was in force for 36 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
Jul 10, 2012, 1:39 PM EDT (17:39 UTC)
Expired
Jul 10, 2012, 2:15 PM EDT
In force
36 min
Issued by
NWS Greenville-Spartanburg, SC

County Henderson County, NC

The radar

The Greer radar (KGSP), 41 km from the middle of the area, began a volume at 17:42 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, 5.7 hours before the alert went out and 239 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 2012-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 526 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 2012-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 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
526 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
-47 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

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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 Jul 10, 10:39 AM EDT, 3 hours earlier.

Area forecast discussion, Jul 10, 10:39 AM EDT, 3 hours before
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Hazardous weather outlook, Jul 10, 5:15 AM EDT, 8 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
515 AM EDT TUE JUL 10 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-111000-
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-
515 AM EDT TUE JUL 10 2012

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

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE IN THE FORECAST TODAY AND TONIGHT. THESE THUNDERSTORMS
WILL PRODUCE CLOUD TO GROUND LIGHTNING....HEAVY RAINFALL...AND
POSSIBLY LOCALIZED FLOODING. SOME OF THESE THUNDERSTORMS MAY BECOME
SEVERE...PRODUCING LARGE HAIL AND DAMAGING WIND.

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

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.

07

In the hours before

Local storm report, Jul 10, 8:34 AM EDT, 5 hours 5 minutes before
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Special weather statement, Jul 10, 12:09 PM EDT, 1 hour 30 minutes before
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Special weather statement, Jul 10, 12:31 PM EDT, 1 hour 8 minutes before
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Special weather statement, Jul 10, 12:48 PM EDT, 51 minutes before
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Special weather statement, Jul 10, 1:15 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
115 PM EDT TUE JUL 10 2012

NCZ065-101745-
HENDERSON-
115 PM EDT TUE JUL 10 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN HENDERSON COUNTY
THROUGH 145 PM EDT...

AT 109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES WEST OF MILLS RIVER...OR 10 MILES NORTH
OF BREVARD...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
MILLS RIVER...

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

LAT...LON 3544 8263 3544 8261 3543 8257 3544 8255
      3542 8254 3543 8253 3544 8253 3544 8251
      3531 8262 3543 8274 3546 8267

LANE
Special weather statement, Jul 10, 1:39 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
139 PM EDT TUE JUL 10 2012

NCZ065-509-101815-
HENDERSON-POLK MOUNTAINS-
139 PM EDT TUE JUL 10 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN HENDERSON AND
SOUTHWESTERN POLK COUNTIES THROUGH 215 PM EDT...

AT 135 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TUXEDO...OR 8 MILES SOUTH OF
HENDERSONVILLE...MOVING EAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  SALUDA...

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

LAT...LON 3530 8228 3529 8229 3525 8227 3520 8227
      3519 8232 3519 8236 3518 8237 3521 8239
      3517 8244 3526 8247 3532 8228

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 12:09 PM EDTSpecial Weather StatementGSPMcDowell36 min
Jul 10, 12:31 PM EDTSpecial Weather StatementGSPTransylvania29 min
Jul 10, 12:48 PM EDTSpecial Weather StatementGSPTransylvania42 min
Jul 10, 1:03 PM EDTAreal Flood AdvisoryGSPTransylvania117 min
Jul 10, 1:15 PM EDTSpecial Weather StatementGSPHenderson30 min
Jul 10, 1:44 PM EDTSpecial Weather StatementGSPHenderson31 min
Jul 10, 1:58 PM EDTSpecial Weather StatementGSPDavie47 min
Jul 10, 2:15 PM EDTSevere Thunderstorm WarningGSPDavie43 min
Jul 10, 5:05 PM EDTSpecial Weather StatementGSPGaston25 min
Jul 10, 5:11 PM EDTSevere Thunderstorm WarningGSPGaston64 min
Jul 10, 5:14 PM EDTAreal Flood AdvisoryGSPMadison106 min
Jul 10, 5:43 PM EDTSevere Thunderstorm WarningGSPMecklenburg62 min
Jul 10, 5:55 PM EDTAreal Flood AdvisoryGSPGaston, Mecklenburg102 min
Jul 10, 6:21 PM EDTSevere Thunderstorm WarningGSPUnion54 min
Jul 10, 7:18 PM EDTSpecial Weather StatementGSPUnion27 min
Jul 9, 8:32 PM EDTSpecial Weather StatementGSPGreenwood28 min
Jul 10, 3:07 AM EDTSpecial Weather StatementGSPGreenwood38 min
Jul 10, 2:21 PM EDTSpecial Weather StatementGSPPickens24 min
Jul 10, 2:32 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens58 min
Jul 10, 2:52 PM EDTSpecial Weather StatementGSPLaurens23 min
Jul 10, 2:56 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Laurens64 min
Jul 10, 3:04 PM EDTSevere Thunderstorm WarningGSPGreenville56 min
Jul 10, 3:13 PM EDTSevere Thunderstorm WarningGSPPickens77 min
Jul 10, 3:27 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg78 min
Jul 10, 3:57 PM EDTAreal Flood AdvisoryGSPAnderson, Greenville, Pickens2 hr
Jul 10, 4:08 PM EDTSpecial Weather StatementGSPAnderson37 min
Jul 10, 4:44 PM EDTAreal Flood AdvisoryGSPAnderson, Oconee, Pickens106 min
Jul 10, 4:51 PM EDTSpecial Weather StatementGSPAnderson24 min
Jul 10, 4:52 PM EDTAreal Flood AdvisoryGSPLaurens, Union2 hr
Jul 10, 5:59 PM EDTSpecial Weather StatementGSPLaurens46 min
Jul 10, 1:46 PM EDTSpecial Weather StatementGSPRabun29 min
Jul 10, 2:07 PM EDTSpecial Weather StatementGSPHabersham23 min
Jul 10, 2:25 PM EDTSpecial Weather StatementGSPRabun50 min
Jul 10, 2:48 PM EDTSevere Thunderstorm WarningGSPRabun57 min
Jul 10, 6:51 PM EDTAreal Flood AdvisoryGSPElbert, Hart89 min

Nearby

Special Weather Statements in North Carolina, 2012Every 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.