Alert archive / South Carolina / Frost Advisories in 2012

Frost Advisory 3, NWS Greenville-Spartanburg, SC

April 11, 20128 counties in South Carolina; 5 counties in Georgia; 8 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this frost advisory at Apr 11, 2012, 11:06 AM EDT for 8 counties in South Carolina; 5 counties in Georgia; 8 counties in North Carolina. It took effect at Apr 12, 2012, 4:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 2012, 11:06 AM EDT (15:06 UTC)
In effect from
Apr 12, 2012, 4:00 AM EDT
Expired
Apr 12, 2012, 9:00 AM EDT
In force
5 hr
Issued by
NWS Greenville-Spartanburg, SC
All 21 counties

Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Stephens County, GA, Cabarrus County, NC, Cleveland County, NC, Gaston County, NC, Lincoln County, NC, Mecklenburg County, NC, Polk County, NC, Rutherford County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 27 km from the middle of the area, began a volume at 15:12 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, 3.1 hours before the alert went out and 231 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 2012-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2076 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
-17 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.

085 
WWUS72 KGSP 111506
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1106 AM EDT WED APR 11 2012

...FREEZING TEMPERATURES EXPECTED TONIGHT ACROSS PORTIONS OF THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA MOUNTAINS...

.COLD AND DRY CANADIAN HIGH PRESSURE WILL SETTLE OVER THE
SOUTHEAST TONIGHT...BRINGING THE POTENTIAL FOR FREEZING
TEMPERATURES AND FROST TO PORTIONS OF THE WESTERN CAROLINAS AND
NORTHEAST GEORGIA.

GAZ010-NCZ033-035>037-048>053-056>059-062>065-501>506-112100-
/O.UPG.KGSP.FZ.A.0002.120412T0400Z-120412T1300Z/
/O.NEW.KGSP.FZ.W.0005.120412T0800Z-120412T1300Z/
RABUN-AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-
HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-
INCLUDING THE CITIES OF...CLAYTON...NEWLAND...STATESVILLE...
MOCKSVILLE...SPRUCE PINE...BRYSON CITY...WAYNESVILLE...
ASHEVILLE...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE
1106 AM EDT WED APR 11 2012

...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A FREEZE WARNING...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS.

* TEMPERATURES...LOWS AROUND 30.

* IMPACTS...DAMAGE TO SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

GAZ017-NCZ068>072-082-507>510-SCZ001>003-007>009-012>014-112100-
/O.UPG.KGSP.FZ.A.0002.120412T0400Z-120412T1300Z/
/O.NEW.KGSP.FR.Y.0003.120412T0800Z-120412T1300Z/
HABERSHAM-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-SPARTANBURG-CHEROKEE-YORK-LAURENS-UNION SC-
CHESTER-
INCLUDING THE CITIES OF...CLARKESVILLE...SHELBY...LINCOLNTON...
GASTONIA...CHARLOTTE...CONCORD...MONROE...SPARTANBURG...GAFFNEY...
ROCK HILL...LAURENS...UNION...CHESTER
1106 AM EDT WED APR 11 2012

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...PORTIONS OF UPSTATE SOUTH CAROLINA...NORTHEAST
  GEORGIA...AND THE SOUTHERN FOOTHILLS AND SOUTHWEST PIEDMONT OF
  NORTH CAROLINA.

* TEMPERATURES...LOWS IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

GAZ029-SCZ006-011-019-112100-
/O.NEW.KGSP.FR.Y.0003.120412T0800Z-120412T1300Z/
ELBERT-GREATER GREENVILLE-ABBEVILLE-GREENWOOD-
INCLUDING THE CITIES OF...ELBERTON...GREENVILLE...ABBEVILLE...
GREENWOOD
1106 AM EDT WED APR 11 2012

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY.

* LOCATIONS...PORTIONS OF UPSTATE SOUTH CAROLINA AND NORTHEAST
  GEORGIA. 

* TEMPERATURES...LOWS IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE SENSITIVE VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
LANE
3 follow-up statements
682 
WWUS72 KGSP 111902
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
302 PM EDT WED APR 11 2012

...FREEZING TEMPERATURES EXPECTED TONIGHT ACROSS PORTIONS OF THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA MOUNTAINS...

.COLD AND DRY CANADIAN HIGH PRESSURE WILL SETTLE OVER THE
SOUTHEAST TONIGHT...BRINGING THE POTENTIAL FOR FREEZING
TEMPERATURES AND FROST TO PORTIONS OF THE WESTERN CAROLINAS AND
NORTHEAST GEORGIA.

NCZ033-048>053-058-059-062>065-501-503-505-120315-
/O.NEW.KGSP.FZ.A.0003.120413T0600Z-120413T1300Z/
/O.CON.KGSP.FZ.W.0005.120412T0800Z-120412T1300Z/
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...BRYSON CITY...
WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE
302 PM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY...
...FREEZE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE THURSDAY NIGHT
THROUGH FRIDAY MORNING.

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS.

* TEMPERATURES...LOWS IN THE UPPER 20S TO LOWER 30S. 

* IMPACTS...DAMAGE TO SENSITIVE OUTDOOR VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

GAZ010-NCZ035>037-056-057-502-504-506-120315-
/O.CON.KGSP.FZ.W.0005.120412T0800Z-120412T1300Z/
RABUN-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-GREATER CALDWELL-
GREATER BURKE-EASTERN MCDOWELL-
INCLUDING THE CITIES OF...CLAYTON...STATESVILLE...MOCKSVILLE...
HICKORY...SALISBURY
302 PM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS.

* TEMPERATURES...LOWS AROUND 30.

* IMPACTS...DAMAGE TO SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

GAZ017-029-NCZ068>072-082-507>510-SCZ001>003-006>009-011>014-019-
120315-
/O.CON.KGSP.FR.Y.0003.120412T0800Z-120412T1300Z/
HABERSHAM-ELBERT-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...CLARKESVILLE...ELBERTON...SHELBY...
LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ABBEVILLE...
LAURENS...UNION...CHESTER...GREENWOOD
302 PM EDT WED APR 11 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY...

* LOCATIONS...PORTIONS OF UPSTATE SOUTH CAROLINA...NORTHEAST 
  GEORGIA...AND THE SOUTHERN FOOTHILLS AND SOUTHWEST PIEDMONT OF 
  NORTH CAROLINA. 

* TEMPERATURES...LOWS IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

KRENTZ
622 
WWUS72 KGSP 120017
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
817 PM EDT WED APR 11 2012

...FREEZING TEMPERATURES EXPECTED TONIGHT ACROSS PORTIONS OF THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA MOUNTAINS...

.COLD AND DRY CANADIAN HIGH PRESSURE WILL SETTLE OVER THE
SOUTHEAST TONIGHT...BRINGING THE POTENTIAL FOR FREEZING
TEMPERATURES AND FROST TO THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA.

NCZ033-048>053-058-059-062>065-501-503-505-121300-
/O.CON.KGSP.FZ.W.0005.120412T0800Z-120412T1300Z/
/O.CON.KGSP.FZ.A.0003.120413T0600Z-120413T1300Z/
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...BRYSON CITY...
WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE
817 PM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE THURSDAY NIGHT
THROUGH FRIDAY MORNING...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS.

* TEMPERATURES...LOWS IN THE UPPER 20S TO LOWER 30S.

* IMPACTS...DAMAGE TO SENSITIVE OUTDOOR VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

GAZ010-NCZ035>037-056-057-502-504-506-121300-
/O.CON.KGSP.FZ.W.0005.120412T0800Z-120412T1300Z/
RABUN-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-GREATER CALDWELL-
GREATER BURKE-EASTERN MCDOWELL-
INCLUDING THE CITIES OF...CLAYTON...STATESVILLE...MOCKSVILLE...
HICKORY...SALISBURY
817 PM EDT WED APR 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS.

* TEMPERATURES...LOWS AROUND 30.

* IMPACTS...DAMAGE TO SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

GAZ018-026-028-SCZ004-005-010-121300-
/O.EXA.KGSP.FR.Y.0003.120412T0800Z-120412T1300Z/
STEPHENS-FRANKLIN-HART-GREATER OCONEE-GREATER PICKENS-ANDERSON-
INCLUDING THE CITIES OF...TOCCOA...HARTWELL...ANDERSON
817 PM EDT WED APR 11 2012

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY.

* LOCATIONS...THE UPSTATE OF SOUTH CAROLINA AND NORTHEAST GEORGIA.

* TEMPERATURES...LOWS IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

GAZ017-029-NCZ068>072-082-507>510-SCZ001>003-006>009-011>014-019-
121300-
/O.CON.KGSP.FR.Y.0003.120412T0800Z-120412T1300Z/
HABERSHAM-ELBERT-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...CLARKESVILLE...ELBERTON...SHELBY...
LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ABBEVILLE...
LAURENS...UNION...CHESTER...GREENWOOD
817 PM EDT WED APR 11 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
THURSDAY...

* LOCATIONS...THE UPSTATE OF SOUTH CAROLINA...NORTHEAST
  GEORGIA...AND THE SOUTHERN FOOTHILLS AND SOUTHWEST PIEDMONT OF
  NORTH CAROLINA.

* TEMPERATURES...LOWS IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

NED
061 
WWUS72 KGSP 120755
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
355 AM EDT THU APR 12 2012

...FREEZING TEMPERATURES ACROSS PORTIONS OF THE WESTERN CAROLINAS
AND NORTHEAST GEORGIA MOUNTAINS THIS MORNING...
...FREEZING TEMPERATURES POSSIBLE AGAIN TONIGHT ACROSS THE NORTH
CAROLINA MOUNTAINS...

.COLD AND DRY CANADIAN HIGH PRESSURE WILL SETTLE OVER THE
SOUTHEAST TODAY AND TONIGHT...BRINGING THE POTENTIAL FOR FREEZING
TEMPERATURES AND FROST TO THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA BOTH THIS MORNING AND TOMORROW MORNING.

NCZ033-048>053-058-059-062>065-501-503-505-121600-
/O.CON.KGSP.FZ.W.0005.120412T0800Z-120412T1300Z/
/O.CON.KGSP.FZ.A.0003.120413T0600Z-120413T1300Z/
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...BRYSON CITY...
WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE
355 AM EDT THU APR 12 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY MORNING...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS.

* TEMPERATURES...LOWS IN THE 20S TO AROUND 30.

* IMPACTS...DAMAGE TO SENSITIVE OUTDOOR VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

GAZ010-NCZ035>037-056-057-502-504-506-121300-
/O.CON.KGSP.FZ.W.0005.120412T0800Z-120412T1300Z/
RABUN-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-GREATER CALDWELL-
GREATER BURKE-EASTERN MCDOWELL-
INCLUDING THE CITIES OF...CLAYTON...STATESVILLE...MOCKSVILLE...
HICKORY...SALISBURY
355 AM EDT THU APR 12 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS.

* TEMPERATURES...LOWS AROUND 30.

* IMPACTS...DAMAGE TO SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

GAZ017-018-026-028-029-NCZ068>072-082-507>510-SCZ001>014-019-
121300-
/O.CON.KGSP.FR.Y.0003.120412T0800Z-120412T1300Z/
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-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-
INCLUDING THE CITIES OF...CLARKESVILLE...TOCCOA...HARTWELL...
ELBERTON...SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...
MONROE...GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...
ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
355 AM EDT THU APR 12 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* LOCATIONS...THE UPSTATE OF SOUTH CAROLINA AND NORTHEAST 
  GEORGIA.

* TEMPERATURES...LOWS IN THE MID 30S.

* IMPACTS...AREAS OF FROST COULD DAMAGE SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

ARK

What forecasters said that day

The local office's own words before this frost advisory 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 frost advisory went out at Apr 11, 10:57 AM EDT, 9 minutes earlier.

Area forecast discussion, Apr 11, 10:57 AM EDT, 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1057 AM EDT WED APR 11 2012

.SYNOPSIS...
A SURFACE RIDGE WILL BUILD AND REMAIN OVER THE REGION THROUGH THE
WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...
A DEEP EAST COAST TROUGH WILL MAINTAIN AN UNSEASONABLY COOL AIR MASS
OVER THE AREA THROUGH TONIGHT. BASED ON OVERNIGHT TEMPS...AND THIS
MORNINGS OBSERVATIONAL TRENDS...GUIDANCE APPEARS TO BE MISHANDLING
THE COLDNESS OF THE CURRENT AIR MASS (MOS APPEARS TO BE BIASED ON
THE COLD SIDE). MAX TEMPS WERE THEREFORE BUMPED UP SLIGHTLY FOR THIS
AFTERNOON...BUT THEY SHOULD STILL COME IN A COUPLE OF CATEGORIES
BELOW CLIMO. OTHERWISE...STRATOCU OVER SOUTHWEST VIRGINIA WILL MAKE
A RUN AT OUR NORTHERN ZONES THIS AFTERNOON...RESULTING IN MOSTLY
SUNNY TO PARTLY CLOUDY SKIES IN THOSE AREAS. GUSTY NW WINDS AND DRY
CONTINENTAL AIR MASS WILL RESULT IN ANOTHER DAY OF FIRE WX CONCERNS
FOR THIS AFTERNOON. PLEASE SEE THE DISCUSSION BELOW FOR DETAILS.

TONIGHT...THE FREEZE WATCH WILL BE UPGRADED TO A WARNING ACROSS THE
MTNS/NW PIEDMONT/NRN FOOTHILLS OF NC AS WELL AS RABUN COUNTY
GEORGIA. A FROST ADVISORY WILL BE ISSUED FOR MOST OF THE REMAINDER
OF THE AREA.

SFC HIGH PRES WILL CONTINUE TO SLOWLY SAG SOUTHWARD ACRS
THE OH/TN VALLEYS. WINDS SHUD SLACKEN OFF AND SKIES REMAIN CLEAR.
THE AREA WILL GET A LATE START ON DECOUPLING...BUT A MOS BLEND DOES
HAVE SUB-FREEZING MIN TEMPS ACRS MOST OF THE NC ZONES AND SPOTTY
AREAS OF THE ERN UPSTATE. LOOKS LIKE A SOLID FREEZE EXPECTED IN THE
MTNS...BUT MARGINAL IN THE RURAL/COOLER AREAS OF THE PIEDMONT.

&&

.SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/...
AS OF 320 AM WEDNESDAY...UPPER TROF BEGINS TO TRACK E OF THE AREA
THU AND AS A SFC RIDGE WILL BUILDS IN FROM THE N WINDS WILL BE LGT.
EXPECT SOME RECOVERY TO TEMPS THU AFTN BUT STILL BELOW AVG. WITH A
DEEP RIDGE OVER CWA THU NIGHT...LGT WINDS...CLEAR SKIES AND LOW
DEWPOINTS STILL SUPPORT WIDESPREAD FREEZING TEMPS IN MTN VALLEYS AND
ADJACENT FOOTHILLS...WITH PATCHY FROST ELSEWHERE. TEMPS WILL CLOSER
TO AVG FRI AS A SFC RIDGE CONTINUES TO BUILD OVER THE REGION.

&&

.LONG TERM /SATURDAY THROUGH TUESDAY/...
AS OF 325 AM WEDNESDAY...UPPER RIDGE WILL REMAIN OVER THE REGION
THRU THE WEEKEND WHILE THE SFC HI TRACKS SLOWLY E...PUTTING THE AREA
IN WARM S FLOW. THEN THE UPPER RIDGE AXIS MOVES OFF THE E COAST
EARLY IN THE WEEK. MODELS CONTINUE TO SHOW A SW JET STAYING WELL TO
THE W. THIS WILL KEEP THE STORM TRACK TO THE W AND N OF THE CWA.
EXPECT DRY CONDITIONS WITH WELL ABOVE AVG TEMPS THRU TUE.

&&

.AVIATION /15Z WEDNESDAY THROUGH SUNDAY/...
AT KCLT AND ELSEWHERE...VFR WITH JUST A FEW FAIR WX CU THIS AFTN
MAINLY OVER KHKY/KCLT AND EAST. NW WINDS WILL PICK UP AGAIN BY
MIDDAY WITH GUSTS THRU THE AFTN. NOT EXPECTING AS STRONG AS
YESTERDAY. WINDS DIMINISH THIS EVENING.

OUTLOOK...NO SIGNIFICANT WEATHER IS EXPECTED THRU SATURDAY.

AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE
PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE
CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)...

WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM

&&

.FIRE WEATHER...
LITTLE CHANGE IN THINKING FOR THE FCST CONDITIONS THIS AFTN. GUSTY
NW WINDS ARE EXPECTED...STRONGEST OVER THE HIGH TERRAIN...WHILE RH
IS EXPECTED TO DROP BELOW 25% ACRS MOST OF LOWER ELEVATIONS. SO THE
FIRE DANGER STATEMENT FOR ALL THE NC/SC ZONES STILL LOOKS GOOD.
ALSO...A RED FLAG WARNING FOR NE GA STILL LOOKS GOOD FOR 4+ HOURS OF
CRITICAL RH AND LOW FUEL MOISTURE.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FREEZE WARNING FROM 4 AM TO 9 AM EDT THURSDAY FOR GAZ010.
     FROST ADVISORY FROM 4 AM TO 9 AM EDT THURSDAY FOR GAZ017-029.
     RED FLAG WARNING UNTIL 8 PM EDT THIS EVENING FOR GAZ010-017-
     018-026-028-029.
NC...FREEZE WARNING FROM 4 AM TO 9 AM EDT THURSDAY FOR NCZ033-
     035>037-048>053-056>059-062>065-501>506.
     FROST ADVISORY FROM 4 AM TO 9 AM EDT THURSDAY FOR NCZ068>072-
     082-507>510.
SC...FROST ADVISORY FROM 4 AM TO 9 AM EDT THURSDAY FOR SCZ001>003-
     006>009-011>014-019.

&&

SYNOPSIS...RB
NEAR TERM...ARK/JDL
SHORT TERM...RB
LONG TERM...RB
AVIATION...ARK
FIRE WEATHER...ARK/JDL
Hazardous weather outlook, Apr 11, 9:23 AM EDT, 1 hour 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
923 AM EDT WED APR 11 2012

NCZ033-035>037-048>053-056>059-062>065-068>072-082-501>510-
SCZ001>003-007>009-012>014-121330-
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-SPARTANBURG-
CHEROKEE-YORK-LAURENS-UNION SC-CHESTER-
923 AM EDT WED APR 11 2012

...FIRE DANGER STATEMENT IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH
CAROLINA...WESTERN 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.

   FIRE DANGER STATEMENT.
   FREEZE WATCH.

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

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

   FREEZE WATCH.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ010-017-121330-
RABUN-HABERSHAM-
923 AM EDT WED APR 11 2012

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA.

.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.

   RED FLAG WARNING.
   FREEZE WATCH.

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

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

   FREEZE WATCH.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ018-026-028-029-121330-
STEPHENS-FRANKLIN-HART-ELBERT-
923 AM EDT WED APR 11 2012

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA.

.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.

   RED FLAG WARNING.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

SCZ004>006-010-011-019-121330-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-ANDERSON-ABBEVILLE-
GREENWOOD-
923 AM EDT WED APR 11 2012

...FIRE DANGER STATEMENT IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR 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.

   FIRE DANGER STATEMENT.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 8:11 PM EDTRed Flag WarningGSPElbert, Franklin, Habersham, Hart, Rabun, Stephens24 hr
Apr 11, 11:06 AM EDTFreeze WarningGSPRabun22 hr
Apr 11, 3:02 PM EDTFreeze WatchGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 9 more24 hr

Nearby

Frost Advisories in South Carolina, 2012Frost Advisories in North Carolina, 2012Frost Advisories in Georgia, 2012Every frost advisory 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.