Alert archive / North Carolina / Frost Advisories in 2011

Frost Advisory 4, NWS Greenville-Spartanburg, SC

April 6, 201117 counties in North Carolina; Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this frost advisory at Apr 6, 2011, 4:44 AM EDT for 17 counties in North Carolina; Rabun County, Georgia. It took effect at Apr 7, 2011, 12:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 6, 2011, 4:44 AM EDT (08:44 UTC)
In effect from
Apr 7, 2011, 12:00 AM EDT
Expired
Apr 7, 2011, 9:00 AM EDT
In force
9 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Rabun County, GA, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 81 km from the middle of the area, began a volume at 08:41 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, 8.7 hours before the alert went out and 250 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 00:00Z on 2011-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 00:00Z on 2011-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.19395878Sfc1 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
10 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1890 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
6 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.

634 
WWUS72 KGSP 060844
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
444 AM EDT WED APR 6 2011

GAZ010-NCZ033-048>053-058-059-062>065-501-503-505-507-509-061645-
/O.NEW.KGSP.FR.Y.0004.110407T0400Z-110407T1300Z/
/O.CON.KGSP.FZ.W.0005.000000T0000Z-110406T1300Z/
RABUN-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...NEWLAND...SPRUCE PINE...
BRYSON CITY...WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...
BREVARD...HENDERSONVILLE
444 AM EDT WED APR 6 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
9 AM EDT THURSDAY. A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM
EDT THIS MORNING. 

* LOCATIONS...THE MOUNTAINS OF NORTH CAROLINA AND RABUN COUNTY 
  GEORGIA. 

* HAZARDS...FREEZING TEMPERATURES EARLY THIS MORNING...AREAS OF
  FROST TONIGHT IN THE MOUNTAIN VALLEYS.

* TIMING...TEMPERATURES FALLING BELOW FREEZING THROUGH
  SUNRISE...THEN WARMING ABOVE FREEZING BY 9 AM. AREAS OF FROST
  FORMING AGAIN EARLY THURSDAY MORNING.

* WINDS...CALM THIS MORNING. LIGHT FROM THE SOUTHWEST TONIGHT.

* IMPACTS...SOME CROPS AND TENDER VEGETATION COULD BE BADLY
  DAMAGED TONIGHT...AND AGAIN EARLY THURSDAY MORNING.

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

&&

$$

GAZ017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-
508-510-SCZ001>014-019-061300-
/O.CON.KGSP.FR.Y.0003.000000T0000Z-110406T1300Z/
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-
CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-
GREATER RUTHERFORD-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...STATESVILLE...MOCKSVILLE...HICKORY...SALISBURY...
SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...
ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
444 AM EDT WED APR 6 2011

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

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

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

* HAZARDS...AREAS OF FROST...WITH ISOLATED AREAS OF FREEZING 
  TEMPERATURES IN NORMALLY COLDER RURAL AREAS. 

* TIMING...AREAS OF FROST FORMING DURING THE EARLY MORNING HOURS 
  AS WINDS DIMINISH. 

* WINDS...CALM.

* IMPACTS...SOME SENSITIVE PLANTS COULD BE DAMAGED EARLY THIS
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
039 
WWUS72 KGSP 061303
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
903 AM EDT WED APR 6 2011

GAZ010-NCZ033-048>053-058-059-062>065-501-503-505-507-509-062115-
/O.EXP.KGSP.FZ.W.0005.000000T0000Z-110406T1300Z/
/O.CON.KGSP.FR.Y.0004.110407T0400Z-110407T1300Z/
RABUN-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...NEWLAND...SPRUCE PINE...
BRYSON CITY...WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...
BREVARD...HENDERSONVILLE
903 AM EDT WED APR 6 2011

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT THURSDAY...
...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. A FROST ADVISORY
REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY. 

* LOCATIONS...THE MOUNTAINS OF NORTH CAROLINA AND RABUN COUNTY 
  GEORGIA. 

* HAZARDS...AREAS OF FROST TONIGHT IN THE MOUNTAIN VALLEYS.

* TIMING...AREAS OF FROST FORMING EARLY THURSDAY MORNING.

* IMPACTS...SOME CROPS AND TENDER VEGETATION COULD BE BADLY
  DAMAGED EARLY THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GAZ017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-
508-510-SCZ001>014-019-061415-
/O.EXP.KGSP.FR.Y.0003.000000T0000Z-110406T1300Z/
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-
CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-
GREATER RUTHERFORD-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...STATESVILLE...MOCKSVILLE...HICKORY...SALISBURY...
SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...
ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
903 AM EDT WED APR 6 2011

...FROST ADVISORY HAS EXPIRED...

THE FROST ADVISORY IS NO LONGER IN EFFECT. 

TEMPERATURES HAVE WARMED ABOVE LEVELS NEEDED FOR CONTINUED FROST.

$$
217 
WWUS72 KGSP 061842
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
242 PM EDT WED APR 6 2011

GAZ010-NCZ033-048>053-058-059-062>065-501-503-505-507-509-070300-
/O.CON.KGSP.FR.Y.0004.110407T0400Z-110407T1300Z/
RABUN-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...NEWLAND...SPRUCE PINE...
BRYSON CITY...WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...
BREVARD...HENDERSONVILLE
242 PM EDT WED APR 6 2011

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

A FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT THURSDAY. 

* LOCATIONS...THE MOUNTAINS OF NORTH CAROLINA AND RABUN COUNTY 
  GEORGIA. 

* HAZARDS...AREAS OF FROST TONIGHT IN THE MOUNTAIN VALLEYS.

* TIMING...AREAS OF FROST FORMING EARLY THURSDAY MORNING.

* IMPACTS...SOME CROPS AND TENDER VEGETATION COULD BE BADLY 
  DAMAGED EARLY THURSDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
977 
WWUS72 KGSP 070203
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1003 PM EDT WED APR 6 2011

GAZ010-NCZ033-048>053-058-059-062>065-501-503-505-507-509-071300-
/O.CON.KGSP.FR.Y.0004.110407T0400Z-110407T1300Z/
RABUN-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...NEWLAND...SPRUCE PINE...
BRYSON CITY...WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...
BREVARD...HENDERSONVILLE
1003 PM EDT WED APR 6 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THURSDAY...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THURSDAY. 

* LOCATIONS...THE MOUNTAINS OF NORTH CAROLINA AND RABUN COUNTY 
  GEORGIA. 

* HAZARDS...AREAS OF FROST TONIGHT IN THE MOUNTAIN VALLEYS.

* TIMING...EARLY THURSDAY MORNING.

* IMPACTS...SOME CROPS AND TENDER VEGETATION COULD BE DAMAGED
  EARLY THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

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 6, 4:40 AM EDT, 4 minutes earlier.

Area forecast discussion, Apr 6, 4:40 AM EDT, 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
440 AM EDT WED APR 6 2011

.SYNOPSIS...
HIGH PRESSURE WILL SLOWLY MOVE OFF THE SOUTHEAST COAST BY
THURSDAY...KEEPING THE AREA IN WARM SOUTHWESTERLY FLOW INTO THE
WEEKEND. A COLD FRONT WILL APPROACH THE REGION FROM THE WEST EARLY
NEXT WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
THE NEXT 24 TO 36 HOURS LOOK QUIET WEATHER-WISE AS A FLAT UPPER TROF
WILL BUILD EAST AND OVER THE SOUTHEAST AND CAROLINAS. THIS WILL PUSH
THE SURFACE HIGH PRESSURE CENTER OFF THE SOUTHEAST COAST TODAY AND
ALLOW FOR SOME WEAK WARM ADVECTION TO BRING A REBOUND IN HIGH TEMPS
THIS AFTERNOON. TEMPS WERE NUDGED TOWARD A GUIDANCE BLEND. ALTHOUGH
TONIGHT WILL ALSO BE A FEW DEGREES WARMER...MIN TEMPS WILL PROBABLY
BOTTOM OUT IN THE MID 30S OVER THE MTNS. MOSTLY CLEAR SKY AND LIGHT
WIND ONCE AGAIN WILL SPELL A GOOD CHANCE OF PATCHY FROST IN THE
MOUNTAINS...AND AREAS OF FROST IN THE MOUNTAIN VALLEYS...SO A FROST
ADVISORY WILL BE ISSUED FOR TONIGHT.

&&

.SHORT TERM /THURSDAY THROUGH SATURDAY NIGHT/...
AS OF 315 AM WEDNESDAY...THURSDAY LOOKS WARM AND QUIET...AS UPPER
RIDGE BUILDS OVER THE GULF OF MEXICO...KEEPING SHORTWAVE ENERGY TO
THE NORTH OF THE FA. IN THE LLVLS...HIGH PRES SETS UP INVOF
BERMUDA...ALLOWING FOR PERSISTENT RETURN FLOW ACRS THE SOUTHEAST
STATES INTO THIS WEEKEND. FCST SNDGS SHOW GRADUAL MOISTEN OF
LLVLS...AND EVEN NOMINAL SBCAPE...ESPECIALLY IN THE MTNS FOR FRI
AFTN. HOWEVER...THERE WILL LIKELY BE A CAPPING INVERSION DUE TO
SUBSIDENCE ASSOCIATED WITH THE UPPER RIDGE. BUT THINK THERE WILL BE
ENUF MTN-TOP CONVERGENCE TO BREAK CAP ACRS THE HIGHEST PEAKS OF NC
MTNS...SO WILL KEEP CHC POP THERE FRI AFTN. TEMPS WILL BE BACK A
CATEGORY OR TWO ABOVE NORMAL THURSDAY AND ANOTHER CATEGORY OR TWO
WARMER ON FRIDAY.

MODELS IN DECENT AGREEMENT ON LOW PRES ANCHORED OVR THE CENTRAL
PLAINS INTO THIS WEEKEND...WITH A FNTL BNDRY EXTENDING EASTWARD ACRS
THE GREAT LAKES TO THE NORTHEAST STATES. A SHORTWAVE WILL ROUND THE
UPPER RIDGE ON FRIDAY...WITH A BACKDOOR COLD FRONT PUSHING INTO THE
MID ATLANTIC STATES IN ITS WAKE FRI NGT. THE GFS AND ECMWF DISAGREE
ON HOW FAR SOUTH THE FRONT PUSHES...WITH THE ECMWF BISECTING THE CWA
BY SAT AFTN. THEY ALSO DISAGREE ON AN MCS-GENERATED VORT MAX
TRACKING ARND THE RIDGE TO THE CENTRAL APPALACHIANS BY SAT EVE. THE
ECMWF SEEMS TO HAVE MORE INGREDIENTS IN PLACE FOR AT LEAST SCATTERED
CONVECTION SAT AFTN/EVE...WITH MORE LLVL CONVERGENCE ASSOCIATED WITH
BACKDOOR FRONT AND THE VORT MAX TRACKING CLOSER TO THE FA.
UNFORTUNATELY...DO NOT HAVE GOOD HANDLE ON HOW STRONG THE SBCIN
WILL BE (HI RES ECMWF FCST SNDGS NOT AVAILABLE). THE ECMWF DOES HAVE
QPF ALONG THE FRONT ACRS THE OH VLY...ALL THE WAY TO GA (WITH THE
BACKDOOR FRONT ALL THE WAY TO THE SAVANNAH RIVER). THE GFS KEEPS
MORE CIN AND NO UPPER SUPPORT FOR CONVECTION...BUT IS NOT THE
FAVORED MODEL BASED ON LATEST HPC DISCUSSION ANYWAY. SO FOR
NOW...CONFIDENCE HAS NOT INCREASED ENUF TO INCREASE POPS FOR
SATURDAY. TEMPS SHUD BE 10-15 DEGREES ABOVE NORMAL SAT.

&&

.LONG TERM /SUNDAY THROUGH TUESDAY/...
AS OF 2 AM TUESDAY...LITTLE CHANGE NEEDED TO THE MEDIUM RANGE. THE
MAIN WEATHER FEATURE DURING THIS PERIOD WILL BE A COLD FRONTAL
PASSAGE LIKELY ON MONDAY. THE 00Z/06 ECMWF HAS COME IN SIGNIFICANTLY
SLOWER THAN PREVIOUS RUN (FROPA LATE MON EVE)...WHILE THE 00Z GFS
CONTINUES TO BE MUCH FASTER (LATE MON MRNG/ERLY AFTN). FOR
NOW...LEFT POPS ALONE FOR MONDAY. COULD BE ANOTHER EPISODE OF SEVERE
STORMS WITH THIS FRONT...BUT FORCING AND SHEAR WILL NOT BE AS
STRONG. CONFIDENCE TOO LOW TO MENTION ANY IN HWO THIS FAR OUT.
OTHERWISE...CONTINUED WELL ABOVE NORMAL TEMPS SUNDAY...WITH A COOL
DOWN SLATED BEHIND THE FRONT BACK TO NEAR NORMAL.

PREVIOUS DISCUSSION...
THE MEDIUM RANGE FCST PICKS UP AT 00Z ON
SATURDAY WITH UPPER RIDGING BUILDING OVER THE SOUTHEAST CONUS AND AN
H5 TROF DIGGING DOWN OVER THE WESTERN CONUS. A FEW WEAK UPPER
SHORTWAVES PASS TO OUR NORTH DURING THE FIRST HALF OF THE FCST
PERIOD...BUT THEY WILL NOT LIKELY PROVIDE MUCH SUPPORT FOR LARGE
SCALE ASCENT OVER THE AREA. AT THE SFC...HIGH PRESSURE CENTERED OFF
THE CAROLINA COAST WILL KEEP THE AREA IN WARM SOUTHERLY FLOW THRU
MOST OF THE PERIOD. MODELS TIME HEIGHTS ARE CURRENTLY LOOKING DRIER
COMPARED TO THE LAST FEW RUNS SO I TRIMMED BACK POPS A BIT UNTIL
LATE IN THE PERIOD WHEN THE NEXT FRONTAL SYSTEM APPROACHES THE CWFA.
THERE IS ALSO ENOUGH SFC-BASED CAPE EACH AFTERNOON/EVENING TO
SUPPORT PULSE-TYPE THUNDERSTORMS IF CONVECTION IS TRIGGERED. POPS
ARE GREATEST OVER THE HIGHER TERRAIN AS THEY WILL LIKELY EXPERIENCE
THE MOST UPSLOPE FLOW. TEMPS HAVE BEEN BUMPED UP A COUPLE OF DEGREES
EACH DAY TO REFLECT WARMER GUIDANCE TEMPS AND GREATER 1000-500MB
MODEL THICKNESSES.

&&

.AVIATION /09Z WEDNESDAY THROUGH SUNDAY/...
AT KCLT...PATCHY FROST EARLY THIS MORNING WITH LIGHT NW WIND...
OTHERWISE CLEAR. CONDITIONS SHOULD REMAIN VFR THROUGH THE PERIOD
WITH ONLY A FEW HIGH CLOUDS AND NO VIS RESTRICTIONS. WIND SHOULD
BECOME LIGHT FROM THE SW FROM MID MORNING ONWARD...THEN GO LIGHT AND
VARIABLE AROUND SUNSET.

ELSEWHERE...LIGHT NW WINDS WILL BECOME SOUTHWEST DURING MID TO LATE
MORNING. VFR CIGS AND VSBYS THROUGH THE VALID PERIOD OF THE TAF.

OUTLOOK...CONDITIONS SHOULD BE VFR THROUGH FRIDAY. SOME RESTRICTIONS
ARE POSSIBLE AGAIN LATE FRIDAY AND SATURDAY AS A FRONT DROPS DOWN
INTO THE AREA.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FROST ADVISORY FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY FOR
     GAZ010.
     FREEZE WARNING UNTIL 9 AM EDT THIS MORNING FOR GAZ010.
     FROST ADVISORY UNTIL 9 AM EDT THIS MORNING FOR GAZ017-018-026-
     028-029.
NC...FROST ADVISORY FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY FOR
     NCZ033-048>053-058-059-062>065-501-503-505-507-509.
     FREEZE WARNING UNTIL 9 AM EDT THIS MORNING FOR NCZ033-048>053-
     058-059-062>065-501-503-505-507-509.
     FROST ADVISORY UNTIL 9 AM EDT THIS MORNING FOR NCZ035>037-056-
     057-068>072-082-502-504-506-508-510.
SC...FROST ADVISORY UNTIL 9 AM EDT THIS MORNING FOR SCZ001>014-019.

&&

SYNOPSIS...ARK
NEAR TERM...PM
SHORT TERM...ARK
LONG TERM...ARK/JPT
AVIATION...PM
Hazardous weather outlook, Apr 5, 6:43 PM EDT, 10 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
643 PM EDT TUE APR 5 2011

GAZ017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-
508-510-SCZ001>014-019-062245-
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-
CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
643 PM EDT TUE APR 5 2011

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
WEDNESDAY...

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.

   FROST ADVISORY.

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

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

   FROST ADVISORY.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ010-NCZ033-048>053-058-059-062>065-501-503-505-507-509-062245-
RABUN-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
643 PM EDT TUE APR 5 2011

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
WEDNESDAY...

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

   FREEZE WARNING.

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

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

   FREEZE WARNING.

.SPOTTER INFORMATION STATEMENT...

NONE.

Nearby

Frost Advisories in North Carolina, 2011Frost Advisories in Georgia, 2011Every frost advisory 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.