Alert archive / North Carolina / Freeze Warnings in 2011

Freeze Warning 4, NWS Greenville-Spartanburg, SC

April 2, 20119 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this freeze warning at Apr 2, 2011, 2:53 PM EDT for 9 counties in North Carolina. It took effect at Apr 3, 2011, 12:00 AM EDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 2, 2011, 2:53 PM EDT (18:53 UTC)
In effect from
Apr 3, 2011, 12:00 AM EDT
Expired
Apr 3, 2011, 9:00 AM EDT
In force
9 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Buncombe County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Swain County, NC, Transylvania County, NC

The radar

The Knoxville radar (KMRX), 89 km from the middle of the area, began a volume at 18:54 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, 6.9 hours before the alert went out and 265 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 2011-04-02Temperature 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, Peachtre/Fal Fld, GA at 12:00Z on 2011-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
1226 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
185 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.

457 
WWUS72 KGSP 021853
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
253 PM EDT SAT APR 2 2011

NCZ048-051>053-058-059-062>065-022300-
/O.NEW.KGSP.FZ.W.0004.110403T0400Z-110403T1300Z/
/O.CON.KGSP.WI.Y.0008.000000T0000Z-110402T2200Z/
MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...ASHEVILLE...
SYLVA...FRANKLIN...BREVARD...HENDERSONVILLE
253 PM EDT SAT APR 2 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
9 AM EDT SUNDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT
THIS EVENING. 

* LOCATIONS...ACROSS THE CENTRAL AND WESTERN MOUNTAINS.

* HAZARDS...STRONG GUSTY WINDS THIS AFTERNOON. WIDESPREAD FREEZING
  TEMPERATURES EXPECTED AFTER MIDNIGHT.

* TIMING...GUSTY NORTHWEST WINDS WILL CONTINUE THROUGH THE REST OF
  THE AFTERNOON. SEVERAL HOURS OF FREEZING TEMPERATURES EXPECTED
  AROUND SUNRISE SUNDAY.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. BECOMING
  CALM TO LIGHT AND VARIABLE DURING THE PRE DAWN HOURS.

* IMPACTS...WINDS MAY RESULT IN A FEW DOWNED TREES AND POWERLINES.
  FREEZING TEMPERATURES MAY DAMAGE TENDER VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

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

&&

$$

GAZ010-017-NCZ033-049-050-501-503-505-507-509-SCZ001>003-022200-
/O.CON.KGSP.WI.Y.0008.000000T0000Z-110402T2200Z/
RABUN-HABERSHAM-AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...NEWLAND...
SPRUCE PINE
253 PM EDT SAT APR 2 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING. 

* LOCATIONS...ACROSS THE MOUNTAINS.

* HAZARDS...STRONG GUSTY WINDS.

* TIMING...THROUGH THE REST OF THIS AFTERNOON.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...HAZARDOUS CONDITIONS FOR HIGH PROFILE VEHICLES. A 
  FEW TREES AND POWERLINES COULD COME DOWN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508-
510-SCZ004>014-019-022200-
/O.CON.KGSP.LW.Y.0016.000000T0000Z-110402T2200Z/
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-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...TOCCOA...HARTWELL...ELBERTON...
STATESVILLE...MOCKSVILLE...HICKORY...SALISBURY...SHELBY...
LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...
ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
253 PM EDT SAT APR 2 2011

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING. 

* LOCATIONS...ACROSS THE FOOTHILLS AND PIEDMONT.

* HAZARDS...STRONG GUSTY WINDS.

* TIMING...THROUGH THE REST OF THIS AFTERNOON.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...HAZARDOUS CONDITIONS FOR BOATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

NED
4 follow-up statements
711 
WWUS72 KGSP 022159
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
559 PM EDT SAT APR 2 2011

NCZ048-051>053-058-059-062>065-030000-
/O.EXT.KGSP.WI.Y.0008.000000T0000Z-110403T0000Z/
/O.CON.KGSP.FZ.W.0004.110403T0400Z-110403T1300Z/
MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...ASHEVILLE...
SYLVA...FRANKLIN...BREVARD...HENDERSONVILLE
559 PM EDT SAT APR 2 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT SUNDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING. A
FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT SUNDAY. 

* LOCATIONS...ACROSS THE CENTRAL AND SOUTHERN MOUNTAINS.

* HAZARDS...STRONG GUSTY WINDS EARLY THIS EVENING. WIDESPREAD
  FREEZING TEMPERATURES EXPECTED AFTER MIDNIGHT.

* TIMING...GUSTY NORTHWEST WINDS WILL CONTINUE INTO THE EARLY
  EVENING. SEVERAL HOURS OF FREEZING TEMPERATURES EXPECTED AROUND
  SUNRISE SUNDAY.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. 
  
* IMPACTS...WINDS MAY RESULT IN A FEW DOWNED TREES AND 
  POWER LINES. FREEZING TEMPERATURES MAY DAMAGE TENDER 
  VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

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

&&

$$

GAZ010-017-NCZ033-049-050-501-503-505-507-509-SCZ001>003-030000-
/O.EXT.KGSP.WI.Y.0008.000000T0000Z-110403T0000Z/
RABUN-HABERSHAM-AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...NEWLAND...
SPRUCE PINE
559 PM EDT SAT APR 2 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

* LOCATIONS...ACROSS THE MOUNTAINS.

* HAZARDS...STRONG GUSTY WINDS.

* TIMING...INTO THE EARLY EVENING.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...HAZARDOUS CONDITIONS FOR HIGH PROFILE VEHICLES. A 
  FEW TREES AND POWER LINES COULD COME DOWN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508-
510-SCZ004>014-019-030000-
/O.EXT.KGSP.LW.Y.0016.000000T0000Z-110403T0000Z/
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-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...TOCCOA...HARTWELL...ELBERTON...
STATESVILLE...MOCKSVILLE...HICKORY...SALISBURY...SHELBY...
LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...
ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
559 PM EDT SAT APR 2 2011

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE LAKE WIND ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

* LOCATIONS...ACROSS THE FOOTHILLS AND PIEDMONT.

* HAZARDS...STRONG GUSTY WINDS.

* TIMING...INTO EARLY THIS EVENING.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...HAZARDOUS CONDITIONS FOR BOATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$
07
264 
WWUS72 KGSP 030002
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
802 PM EDT SAT APR 2 2011

NCZ048-051>053-058-059-062>065-030115-
/O.EXP.KGSP.WI.Y.0008.000000T0000Z-110403T0000Z/
/O.CON.KGSP.FZ.W.0004.110403T0400Z-110403T1300Z/
MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...ASHEVILLE...
SYLVA...FRANKLIN...BREVARD...HENDERSONVILLE
802 PM EDT SAT APR 2 2011

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT SUNDAY...
...WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...AS WINDS
DECREASE BELOW ADVISORY CRITERIA. A FREEZE WARNING REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO 9 AM EDT SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GAZ010-017-NCZ033-049-050-501-503-505-507-509-SCZ001>003-030115-
/O.EXP.KGSP.WI.Y.0008.000000T0000Z-110403T0000Z/
RABUN-HABERSHAM-AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...NEWLAND...
SPRUCE PINE
802 PM EDT SAT APR 2 2011

...WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...AS WINDS
DECREASE BELOW ADVISORY CRITERIA.


$$

GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508-
510-SCZ004>014-019-030115-
/O.EXP.KGSP.LW.Y.0016.000000T0000Z-110403T0000Z/
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-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...TOCCOA...HARTWELL...ELBERTON...
STATESVILLE...MOCKSVILLE...HICKORY...SALISBURY...SHELBY...
LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...
ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
802 PM EDT SAT APR 2 2011

...LAKE WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE LAKE WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...AS WINDS
DECREASE BELOW ADVISORY CRITERIA.

$$
07
762 
WWUS72 KGSP 030730
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 AM EDT SUN APR 3 2011

NCZ048-051>053-058-059-062>065-031300-
/O.CON.KGSP.FZ.W.0004.000000T0000Z-110403T1300Z/
MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...ASHEVILLE...
SYLVA...FRANKLIN...BREVARD...HENDERSONVILLE
330 AM EDT SUN APR 3 2011

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

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

&&

$$
072 
WWUS72 KGSP 031259
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
859 AM EDT SUN APR 3 2011


NCZ048-051>053-058-059-062>065-031400-
/O.EXP.KGSP.FZ.W.0004.000000T0000Z-110403T1300Z/
MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...ASHEVILLE...
SYLVA...FRANKLIN...BREVARD...HENDERSONVILLE
859 AM EDT SUN APR 3 2011

...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING...

THE FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING. 

$$

What forecasters said that day

The local office's own words before this freeze warning 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 freeze warning went out at Apr 2, 2:43 PM EDT, 10 minutes earlier.

Area forecast discussion, Apr 2, 2:43 PM EDT, 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
243 PM EDT SAT APR 2 2011

.SYNOPSIS...
WEAK HIGH PRESSURE WILL MOVE ACROSS THE DEEP SOUTH TODAY...AND
SETTLE OVER THE WESTERN ATLANTIC ON SUNDAY. A STRONG COLD FRONT WILL
APPROACH FROM THE WEST LATE MONDAY...AND PUSH ACROSS THE WESTERN
CAROLINAS MONDAY NIGHT...AND EAST OF THE REGION TUESDAY MORNING.
HIGH PRESSURE WILL THEN RETURN TO THE EASTERN PART OF THE COUNTRY
AND REMAIN OVER THE AREA DURING THE MIDDLE PART OF NEXT WEEK.

&&

.NEAR TERM /THROUGH SUNDAY/...
GUSTY CONDITIONS WILL CONTINUE UNTIL SUNSET...THEN WINDS WILL
DECOUPLE AND REMAIN FROM THE WNW. THE CENTER OF HIGH PRESSURE WILL
APPROACH THE FORECAST AREA THIS EVENING...BECOMING CENTERED OVER THE
WESTERN CAROLINAS BY SUNRISE SUNDAY. WINDS ARE EXPECTED TO DECREASE
TO 3 KTS OR LESS DURING THE PRE DAWN HOURS. CALM WINDS...DRY
AIR...AND CLEAR SKIES WILL PROVIDE EXCELLENT RADIATIONAL COOLING
OVERNIGHT. USING A BLEND MET AND MAV GUIDANCE...MOST OF THE WESTERN
AND CENTRAL NC MTNS ARE FORECAST TO FALL BELOW FREEZING. I WILL
HIGHLIGHT THE FREEZING TEMPS WITH A FREEZE WARNING. EAST OF THE
MTNS...LOWS SHOULD RANGE FROM MID 30S TO AROUND 40...WITH DEWPOINT
DEPRESSIONS AROUND 10 DEGREES OR MORE. ONLY PATCHY FROST IS EXPECTED
ACROSS THE PIEDMONT.

SUNDAY...MARGINALLY GUSTY SOUTHWEST WINDS WILL DEVELOP BY MID DAY
AND REMAIN THROUGH THE AFTERNOON. SKY SHOULD REMAIN CLEAR AND
THICKNESSES WILL BEGIN TO REBOUND. HIGH TEMPERATURES SHOULD WARM 3
TO 4 DEGREES OVER TODAY/S VALUES. DEWPOINTS SHOULD REMAIN IN THE
U20S WITH RH VALUES IN THE TEENS.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AS OF 230 PM SATURDAY...UPPER RIDGE AXIS MOVES ACROSS AND E OF AREA
SUN NIGHT WITH AN UPPER TROF FCST TO DIG ACROSS THE S PLAINS TOWARD
THE MS VALLEY DURING THE DAY MON. A COLD FRONT AHEAD OF THIS SYSTEM
WILL CROSS THE MS VALLEY EARLY MON AND APPROACH THE MTNS IN THE
AFTN. NAM/GFS ABOUT 6 HOURS FASTER THAN ECMWF MOVG THIS SYSTEM E...
WHICH IS IN BETTER AGREEMENT THAN PREV RUNS SO WILL USE A BLEND FOR
TIMING...LEANING TOWARD THE SLOWER ECMWF. EXPECT MOISTURE TO
INCREASE OUT OF THE GULF AS S FLOW IMPROVES AHEAD OF THE SYSTEM.
LOOK FOR INCREASING CLOUDS WITH CHC OF SHWRS INCREASING FROM THE W
MON AFTN. 850MB SW WIND SHEAR INCREASES MON AFTN AS WELL WITH HIGHER
CAPE INDICATED ON THE NAM/GFS THAN EARLIER RUNS SO A SVR STORM OR
TWO WILL BE PSBL. STRONG SHEAR CONTINUES MON NIGHT WITH MODELS
SHOWING WEAK BUT STILL POS CAPE MOVG ACROSS THE S CWA AND THIS WILL
HAVE TO BE CLOSELY WATCHED FOR SVR POTENTIAL. MODEL CONSENSUS PUTS
THE FRONT E OF THE CWA TUE MRNG BUT TIMING STILL UNCERTAIN SO LEFT
CHC POPS IN E CWA INTO MID MRNG. NW FLOW OVER THE MTNS WILL KEEP A
CHC OF SHWRS GOING THERE...MAINLY ALONG THE TN BORDER. TEMPS WILL BE
WELL ABOVE AVG SUN NIGHT-MON NIGHT...NEAR TO BELOW AVG BEHIND THE
FRONT TUE.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 230 PM SATURDAY...THE MEDIUM RANGE FCST PICKS UP AT 00Z ON
WEDNESDAY WITH THE AXIS OF UPPER TROF MOVING TO OUR EAST AND OFF THE
CAROLINA COAST. HEIGHTS WILL RISE EARLY ON IN THE PERIOD AND
TRANSITION TO MORE A ZONAL UPPER FLOW PATTERN. ANOTHER UPPER RIDGE
TRIES TO ESTABLISH ITSELF OVER THE GULF OF MEXICO LATE IN THE WEEK
WHILE A COUPLE OF H5 SHORTWAVES PASS TO OUR NORTH AND A DEEP UPPER
TROF DIGS DOWN OVER THE WESTERN CONUS. THAT TROF WONT EVEN APPROACH
THE REGION UNTIL BEYOND DAY 7...SO FOR THE CURRENT FCST THERE DOES
NOT APPEAR TO BE MUCH UPPER LVL FORCING EXCEPT FOR THE H5 SHORTWAVES
MENTIONED ABOVE. AT THE SFC...HIGH PRESSURE WILL DOMINATE THE SE ON
WEDNESDAY. AS THE HIGH SLIDES OFFSHORE LATER IN THE WEEK...LOW LVL FLOW
BECOMES SOUTHERLY AND REMAINS SO THRU THE END OF THE MEDIUM RANGE.
THE ONLY EXCEPTION MIGHT BE FROM A WEAK FROPA LATE FRI/EARLY
SAT...AS SUGGESTED BY THE LATEST OP GFS. THE ECMWF IS LEANING
TOWARDS STRONGER SFC RIDGING THRU DAY 7 AND DOES NOT GENERATE ANY
SFC LOW/FRONT LIKE THE GFS. POPS REMAINS LOW UNTIL I INTRODUCE A
SLIGHT CHANCE THEN CHANCE OVER THE MTS THURS AFTERNOON GOING INTO
FRI TO ACCOUNT FOR THE PREDOMINATE UPSLOPE FLOW AND THE POSSIBILITY
OF THE FROPA ON FRI/SAT. TEMPS WILL STEADILY INCREASE THRU DAY 6
WITH HIGHS AND LOWS INCREASING TO WELL ABOVE NORMAL FOR EARLY APRIL.

&&

.AVIATION /19Z SATURDAY THROUGH THURSDAY/...
AT KCLT AND ELSEWHERE...A BROAD LEE TROF OVER THE CWA WILL GRADUALLY
WEAKEN THROUGH THIS EVENING AS THE CENTER OF HIGH PRESSURE
APPROACHES FROM THE LOWER MISSISSIPPI RIVER VALLEY. FEW TO SCT HIGH
BASED CU THIS AFTERNOON...THEN CLEAR THROUGH THE REMAINDER OF THE
TAF PERIOD. WEST-NORTHWEST WINDS WILL REMAIN QUITE GUSTY THROUGH THE
REMAINDER OF THE DAYTIME HOURS. WINDS WILL DECOUPLE AROUND
SUNSET...AND GRADUALLY WEAKEN THROUGH THE LATE NIGHT HOURS. DURING
THE PRE DAWN HOURS...WINDS SHOULD BE CALM TO LIGHT AND VARIABLE
UNDER THE CENTER OF HIGH PRESSURE. AFTER SUNRISE...EXPECT SOUTH
WINDS TO DEVELOP WITH P6SM AND SKC CONDITIONS.

OUTLOOK...MARGINALLY GUSTY SOUTHWEST WINDS EXPECTED SUNDAY AFTERNOON
AND INCREASING GUSTINESS ON MONDAY. A STRONG FRONT AND LINE OF
THUNDERSTORMS IS EXPECTED TO SWEEP WEST TO EAST ACROSS THE REGION
MONDAY NIGHT/TUESDAY MORNING.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...WIND ADVISORY UNTIL 6 PM EDT THIS EVENING FOR GAZ010-017.
     LAKE WIND ADVISORY UNTIL 6 PM EDT THIS EVENING FOR GAZ018-026-
     028-029.
NC...WIND ADVISORY UNTIL 6 PM EDT THIS EVENING FOR NCZ033-048>053-
     058-059-062>065-501-503-505-507-509.
     LAKE WIND ADVISORY UNTIL 6 PM EDT THIS EVENING FOR NCZ035>037-
     056-057-068>072-082-502-504-506-508-510.
SC...WIND ADVISORY UNTIL 6 PM EDT THIS EVENING FOR SCZ001>003.
     LAKE WIND ADVISORY UNTIL 6 PM EDT THIS EVENING FOR SCZ004>014-
     019.

&&

SYNOPSIS...JPT
NEAR TERM...NED
SHORT TERM...RB
LONG TERM...JPT
AVIATION...NED
Hazardous weather outlook, Apr 2, 6:00 AM EDT, 8 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
600 AM EDT SAT APR 2 2011

GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508-
510-SCZ004>014-019-031000-
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-GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-
SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-
CHESTER-GREENWOOD-
600 AM EDT SAT APR 2 2011

...LAKE WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM EDT
THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...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.

   LAKE WIND ADVISORY.

SOME AREAS COULD HAVE PATCHY FROST LATE TONIGHT AND EARLY SUNDAY
MORNING... MAINLY OVER THE FOOTHILLS AND WESTERN PIEDMONT OF NORTH
CAROLINA.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ010-017-NCZ033-048>053-058-059-062>065-501-503-505-507-509-
SCZ001>003-031000-
RABUN-HABERSHAM-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-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
600 AM EDT SAT APR 2 2011

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...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.

   WIND ADVISORY.

SOME LOCATIONS ACROSS THE MOUNTAINS...ESPECIALLY AT ELEVATIONS
ABOVE 3500 FEET...COULD HAVE A SNOW SHOWER EARLY THIS MORNING. NO
SIGNIFICANT ACCUMULATION OF SNOW IS EXPECTED.

PATCHY FROST IS POSSIBLE TONIGHT AND EARLY SUNDAY MORNING ACROSS
MUCH OF THE NORTH CAROLINA MOUNTAINS. SOME OF THE HIGHER
ELEVATIONS AND RIDGE TOPS COULD DROP BELOW FREEZING AROUND SUNRISE
SUNDAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 12:31 AM EDTSpecial Weather StatementGSPAvery, Caldwell, Mitchell, Yancey59 min

Nearby

Freeze Warnings in North Carolina, 2011Every freeze warning 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.