Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 27, 2012Macon County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 27, 2012, 1:02 PM EDT for Macon County, North Carolina. It was in force for 43 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 27, 2012, 1:02 PM EDT (17:02 UTC)
Expired
Jul 27, 2012, 1:45 PM EDT
In force
43 min
Issued by
NWS Greenville-Spartanburg, SC

County Macon County, NC

The radar

The Knoxville radar (KMRX), 109 km from the middle of the area, began a volume at 17:02 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.0 hours before the alert went out and 218 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, Peachtre/Fal Fld, GA at 12:00Z on 2012-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2176 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, Peachtre/Fal Fld, GA at 12:00Z on 2012-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 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
2176 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
726 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-22 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.

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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 27, 10:44 AM EDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jul 27, 10:44 AM EDT, 2 hours 18 minutes before
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Hazardous weather outlook, Jul 27, 6:21 AM EDT, 6 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
621 AM EDT FRI JUL 27 2012

GAZ018-026-028-NCZ036-037-057-068>070-508-510-SCZ001>008-010-281030-
STEPHENS-FRANKLIN-HART-IREDELL-DAVIE-ROWAN-CLEVELAND-LINCOLN-GASTON-
GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-ANDERSON-
621 AM EDT FRI JUL 27 2012

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

.DAY ONE...TODAY AND TONIGHT.

A WARM AND HUMID AIR MASS WILL REMAIN IN PLACE ACROSS THE AREA
TODAY. HEAT INDEX VALUES ARE EXPECTED TO RANGE BETWEEN 100 AND 104
ACROSS MUCH OF THE PIEDMONT...AS WELL AS PORTIONS OF THE FOOTHILLS
OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA.

THE ATMOSPHERE WILL ALSO BECOME QUITE UNSTABLE THIS AFTERNOON...
AND COVERAGE OF SHOWERS AND THUNDERSTORMS SHOULD INCREASE AS A
WEAK COLD FRONT APPROACHES FROM THE WEST. A FEW OF THESE STORMS
WILL LIKELY BECOME SEVERE...WITH LOCALIZED DAMAGING WINDS BEING
THE PRIMARY THREAT. SOME OF THE STRONGER STORMS MAY ALSO PRODUCE A
BRIEF PERIOD OF LARGE HAIL. HEAVY RAIN AND FREQUENT CLOUD TO
GROUND LIGHTNING CAN OCCUR WITH ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH 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.

GAZ029-NCZ071-072-082-SCZ009-011>014-019-281030-
ELBERT-MECKLENBURG-CABARRUS-UNION NC-YORK-ABBEVILLE-LAURENS-UNION SC-
CHESTER-GREENWOOD-
621 AM EDT FRI JUL 27 2012

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

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

   HEAT ADVISORY.

THE ATMOSPHERE WILL BECOME QUITE UNSTABLE ACROSS SOUTHERN PIEDMONT
AREAS THIS AFTERNOON...AND COVERAGE OF SHOWERS AND THUNDERSTORMS
SHOULD INCREASE AS A WEAK COLD FRONT APPROACHES FROM THE WEST. A
FEW OF THESE STORMS WILL LIKELY BECOME SEVERE...WITH LOCALIZED
DAMAGING WINDS BEING THE PRIMARY THREAT. SOME OF THE STRONGER
STORMS MAY ALSO PRODUCE A BRIEF PERIOD OF LARGE HAIL. HEAVY RAIN
AND FREQUENT CLOUD TO GROUND LIGHTNING CAN OCCUR WITH ANY
THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH 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.

GAZ010-017-NCZ033-035-048>053-056-058-059-062>065-501>507-509-281030-
RABUN-HABERSHAM-AVERY-ALEXANDER-MADISON-YANCEY-MITCHELL-SWAIN-
HAYWOOD-BUNCOMBE-CATAWBA-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
621 AM EDT FRI JUL 27 2012

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

.DAY ONE...TODAY AND TONIGHT.

THE ATMOSPHERE WILL BECOME QUITE UNSTABLE ACROSS THE MOUNTAINS AND
NORTHERN FOOTHILLS THIS AFTERNOON...AND COVERAGE OF SHOWERS AND
THUNDERSTORMS SHOULD INCREASE AS A WEAK COLD FRONT APPROACHES FROM
THE WEST. A FEW OF THESE STORMS WILL LIKELY BECOME SEVERE...WITH
LOCALIZED DAMAGING WINDS BEING THE PRIMARY THREAT. SOME OF THE
STRONGER STORMS MAY ALSO PRODUCE A BRIEF PERIOD OF LARGE HAIL.
HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING CAN OCCUR WITH
ANY THUNDERSTORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH 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.

LANE

In the hours before

Special weather statement, Jul 27, 1:02 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 1:07 PM EDTSpecial Weather StatementGSPHaywood, Transylvania38 min
Jul 27, 1:14 PM EDTSpecial Weather StatementGSPMacon46 min
Jul 27, 1:59 PM EDTSpecial Weather StatementGSPBuncombe46 min
Jul 27, 2:10 PM EDTSpecial Weather StatementGSPTransylvania50 min
Jul 27, 2:35 PM EDTSpecial Weather StatementGSPPolk, Rutherford40 min
Jul 27, 2:52 PM EDTSpecial Weather StatementGSPHenderson38 min
Jul 27, 2:52 PM EDTSevere Thunderstorm WarningGSPTransylvania53 min
Jul 27, 3:03 PM EDTSpecial Weather StatementGSPHaywood42 min
Jul 27, 3:14 PM EDTSpecial Weather StatementGSPAvery, Mitchell46 min
Jul 27, 3:16 PM EDTSpecial Weather StatementGSPPolk44 min
Jul 27, 3:20 PM EDTSevere Thunderstorm WarningGSPHenderson, Polk55 min
Jul 27, 3:48 PM EDTSevere Thunderstorm WarningGSPCleveland, Polk, Rutherford57 min
Jul 27, 3:49 PM EDTSpecial Weather StatementGSPBurke41 min
Jul 27, 3:51 PM EDTSpecial Weather StatementGSPCaldwell39 min
Jul 27, 4:03 PM EDTSpecial Weather StatementGSPDavie42 min
Jul 27, 4:10 PM EDTSpecial Weather StatementGSPIredell50 min
Jul 27, 4:11 PM EDTSevere Thunderstorm WarningGSPBurke, Catawba, Cleveland, Lincoln, McDowell, Rutherford64 min
Jul 27, 4:31 PM EDTSpecial Weather StatementGSPAlexander44 min
Jul 27, 4:39 PM EDTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan66 min
Jul 27, 4:53 PM EDTSevere Thunderstorm WarningGSPAlexander, Iredell48 min
Jul 27, 5:00 PM EDTSpecial Weather StatementGSPIredell45 min
Jul 27, 5:03 PM EDTSevere Thunderstorm WarningGSPDavie, Rowan57 min
Jul 27, 5:13 PM EDTSpecial Weather StatementGSPLincoln47 min
Jul 27, 5:26 PM EDTSevere Thunderstorm WarningGSPCatawba, Gaston, Iredell, Lincoln, Mecklenburg64 min
Jul 27, 5:43 PM EDTSevere Thunderstorm WarningGSPCabarrus, Catawba, Iredell, Lincoln, Mecklenburg, Rowan62 min
Jul 27, 6:10 PM EDTSpecial Weather StatementGSPMecklenburg65 min
Jul 27, 6:17 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Rowan58 min
Jul 27, 6:36 PM EDTSpecial Weather StatementGSPRowan39 min
Jul 27, 6:46 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union59 min
Jul 27, 6:49 PM EDTSpecial Weather StatementGSPCabarrus26 min
Jul 27, 1:20 PM EDTSpecial Weather StatementGSPGreenwood25 min
Jul 27, 1:52 PM EDTSpecial Weather StatementGSPAbbeville38 min
Jul 27, 2:20 PM EDTSpecial Weather StatementGSPOconee40 min
Jul 27, 2:32 PM EDTSpecial Weather StatementGSPLaurens43 min
Jul 27, 3:31 PM EDTSpecial Weather StatementGSPGreenville29 min
Jul 27, 3:33 PM EDTSpecial Weather StatementGSPPickens42 min
Jul 27, 3:39 PM EDTSevere Thunderstorm WarningGSPAnderson, Oconee, Pickens50 min
Jul 27, 4:12 PM EDTSpecial Weather StatementGSPSpartanburg48 min
Jul 27, 4:19 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union56 min
Jul 27, 4:24 PM EDTSpecial Weather StatementGSPGreenville51 min
Jul 27, 4:32 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg, Union58 min
Jul 27, 4:54 PM EDTSpecial Weather StatementGSPAbbeville36 min
Jul 27, 5:06 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, Laurens, Spartanburg, Union, York54 min
Jul 27, 5:40 PM EDTSpecial Weather StatementGSPAbbeville, Laurens35 min
Jul 27, 5:51 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens54 min
Jul 27, 5:53 PM EDTSevere Thunderstorm WarningGSPChester, Union, York51 min
Jul 27, 6:41 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens64 min
Jul 27, 7:14 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens44 min
Jul 27, 7:41 PM EDTSpecial Weather StatementGSPAbbeville, Greenwood49 min
Jul 27, 2:27 PM EDTSpecial Weather StatementGSPRabun48 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.