Alert archive / North Carolina / Frost Advisories in 2011
Frost Advisory 8, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this frost advisory at Oct 3, 2011, 3:45 AM EDT for 12 counties in North Carolina. It took effect at Oct 4, 2011, 12:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Oct 3, 2011, 3:45 AM EDT (07:45 UTC)
- In effect from
- Oct 4, 2011, 12:00 AM EDT
- Expired
- Oct 4, 2011, 9:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Buncombe County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC
The radar
The Knoxville radar (KMRX), 85 km from the middle of the area, began a volume at 07:50 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, 7.8 hours before the alert went out and 269 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2277 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
566 WWUS72 KGSP 030745 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 345 AM EDT MON OCT 3 2011 NCZ051-052-058-059-062>064-031545- /O.NEW.KGSP.FR.Y.0008.111004T0400Z-111004T1300Z/ /O.CON.KGSP.FR.Y.0007.000000T0000Z-111003T1400Z/ SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON- TRANSYLVANIA- INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...SYLVA... FRANKLIN...BREVARD 345 AM EDT MON OCT 3 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY. A FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM THIS MORNING. * LOCATIONS...SOUTHWESTERN NORTH CAROLINA MOUNTAINS. * TEMPERATURES...IN THE LOWER TO MID 30S. * IMPACTS...AREAS OF FROST EXPECTED...ESPECIALLY IN SHELTERED VALLEYS. SOME COLDER VALLEYS MAY EXPERIENCE A LIGHT FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
4 follow-up statements
039 WWUS72 KGSP 031405 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1005 AM EDT MON OCT 3 2011 NCZ051-052-058-059-062>064-032200- /O.EXP.KGSP.FR.Y.0007.000000T0000Z-111003T1400Z/ /O.CON.KGSP.FR.Y.0008.111004T0400Z-111004T1300Z/ SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON- TRANSYLVANIA- INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...SYLVA... FRANKLIN...BREVARD 1005 AM EDT MON OCT 3 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * LOCATIONS...SOUTHWESTERN NORTH CAROLINA MOUNTAINS. * TEMPERATURES...OVERNIGHT LOWS IN THE LOWER TO MID 30S. * IMPACTS...AREAS OF FROST EXPECTED...ESPECIALLY IN SHELTERED VALLEYS. SOME COLDER VALLEYS MAY EXPERIENCE A LIGHT FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ HG
040 WWUS72 KGSP 031832 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 232 PM EDT MON OCT 3 2011 NCZ033-048>050-053-065-040400- /O.EXA.KGSP.FR.Y.0008.111004T0400Z-111004T1300Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE... HENDERSONVILLE 232 PM EDT MON OCT 3 2011 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY. * LOCATIONS...THE NORTH CAROLINA MOUNTAINS. * TEMPERATURES...MINIMUM TEMPERATURES MOSTLY IN THE MID 30S...WITH SOME LOWER 30S IN THE MOST SHELTERED VALLEYS. * WINDS...NORTHWEST WINDS MAINLY 5 TO 10 MPH...BUT DIMINISHING LATE. * IMPACTS...AREAS OF FROST SHOULD DEVELOP ACROSS MOST OF THE SHELTERED VALLEYS. SOME COLDER VALLEY LOCATIONS MAY BRIEFLY EXPERIENCE FREEZING TEMPERATURES TOWARD DAYBREAK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ NCZ051-052-058-059-062>064-040400- /O.CON.KGSP.FR.Y.0008.111004T0400Z-111004T1300Z/ SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON- TRANSYLVANIA- INCLUDING THE CITIES OF...BRYSON CITY...WAYNESVILLE...SYLVA... FRANKLIN...BREVARD 232 PM EDT MON OCT 3 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * LOCATIONS...SOUTHWESTERN NORTH CAROLINA MOUNTAINS. * TEMPERATURES...MINIMUM TEMPERATURES IN THE LOWER TO MIDDLE 30S. * IMPACTS...AREAS OF FROST EXPECTED...ESPECIALLY IN SHELTERED MOUNTAIN VALLEYS. SOME COLDER VALLEYS MAY EXPERIENCE A LIGHT FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ GERAPETRITIS
657 WWUS72 KGSP 040229 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1029 PM EDT MON OCT 3 2011 NCZ033-048>053-058-059-062>065-041030- /O.CON.KGSP.FR.Y.0008.111004T0400Z-111004T1300Z/ AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...BRYSON CITY... WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...BREVARD... HENDERSONVILLE 1029 PM EDT MON OCT 3 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT TUESDAY... * LOCATIONS...THE NORTH CAROLINA MOUNTAINS. * TEMPERATURES...IN THE UPPER 30S. * WINDS...NORTHWEST UP TO 5 MPH. * IMPACTS...AREAS OF FROST SHOULD DEVELOP ACROSS MOST OF THE SHELTERED VALLEYS. SOME COLDER VALLEY LOCATIONS MAY BRIEFLY EXPERIENCE FREEZING TEMPERATURES TOWARD DAYBREAK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
740 WWUS72 KGSP 040705 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 305 AM EDT TUE OCT 4 2011 NCZ033-048>053-058-059-062>065-041300- /O.CON.KGSP.FR.Y.0008.000000T0000Z-111004T1300Z/ AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...BRYSON CITY... WAYNESVILLE...ASHEVILLE...SYLVA...FRANKLIN...BREVARD... HENDERSONVILLE 305 AM EDT TUE OCT 4 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * LOCATIONS...THE NORTH CAROLINA MOUNTAINS. * TEMPERATURES...IN THE MID TO UPPER 30S. * WINDS...NORTHWEST UP TO 5 MPH. * IMPACTS...AREAS OF FROST SHOULD DEVELOP ACROSS MOST OF THE SHELTERED VALLEYS. SOME COLDER VALLEY LOCATIONS MAY BRIEFLY EXPERIENCE FREEZING TEMPERATURES AROUND DAYBREAK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
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 Oct 3, 3:15 AM EDT, 30 minutes earlier.
Area forecast discussion, Oct 3, 3:15 AM EDT, 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
315 AM EDT MON OCT 3 2011
.SYNOPSIS...
DRY HIGH PRESSURE WILL BUILD INTO THE AREA OVER THE NEXT FEW DAYS
AND REMAIN IN PLACE THROUGH THE END OF THE WEEK.
&&
.NEAR TERM /THROUGH TONIGHT/...
ANOTHER SERIES OF SHORT WAVES ROTATE AROUND THE UPPER LOW OVER VA
AND ACROSS THE AREA TODAY. THERE WILL BE SOME MOISTURE BUT EXPECT
CLOUDS TO REMAIN MAINLY SCT AND ACROSS NC. DO NOT EXPECT ANY PRECIP
GIVEN THE LACK OF DEEP MOISTURE AND FORCING. WINDS WILL BE BREEZY
AGAIN OVER THE MTNS WITH LOWER SPEEDS ELSEWHERE. WITH RISING
THICKNESSES...HIGHS SHOULD BE AS MUCH AS 5 DEGREES HIGHER THAN
SUNDAY.
UPPER LOW PULLS AWAY FROM THE AREA TONIGHT TAKING ANY LINGERING
CLOUDS WITH IT. EXPECT LIGHTER WINDS ACROSS THE MTNS WITH NEARLY
CALM WINDS ELSEWHERE. THICKNESSES WILL AGAIN BE HIGHER. HOWEVER...
GOOD RADIATIONAL CONDITIONS SHOULD LEAD TO ANOTHER FROSTY NIGHT OVER
THE VALLEYS WEST OF THE FRENCH BROAD. THEREFORE...WILL ISSUE ANOTHER
FROST ADVISORY FOR THESE AREAS. LOWS ELSEWHERE SHOULD BE AROUND 10
DEGREES BELOW NORMAL.
&&
.SHORT TERM /TUESDAY THROUGH WEDNESDAY/...
AS OF 200 AM MONDAY...THE UPPER FLOW PATTERN WILL CONTINUE TO
DEAMPLIFY THRU THE PERIOD AS EASTERN SEABOARD CLOSED UPPER LOW GIVES
WAY TO A NON-DESCRIPT WEAKER NW FLOW BY THE END OF THE PERIOD.
WITHIN THE FRONT SIDE OF MODERATE SFC RIDGING...DEEP LAYERED DRY AIR
WILL RESULT IN MOSTLY CLEAR SKIES THROUGH THE PERIOD. 85H TEMPS ARE
PROGGED TO RISE ABT 4-6 DEG C TUESDAY THRU WEDNESDAY RESULTING IN
TUESDAY MAX TEMPERATURES AROUND CLIMO AND A FEW DEG F ABOVE NORMAL
ON WEDNESDAY.
&&
.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
AS OF 305 AM MONDAY...NOT EXPECTING TO MAKE ANY CHANGES TO THE GOING
DRY AND SEASONABLY MILD EXTENDED RANGE FCST AS DEEP LAYERED RIDGING
IS STILL PROGGED TO LINGER ATOP THE REGION INTO THE UPCOMING
WEEKEND. THERE IS SOME NON-ZERO PROBABILITY THAT PERSISTENT ATLANTIC
FETCH WILL RESULT IN INCREASED MOISTURE ADVECTING WESTWARD BY THE
END OF THE PERIOD...AS PER THE 03/00 UTC OP ECMWF...BUT AT THIS
POINT...WILL KEEP SENSIBLE WX DRY.
&&
.AVIATION /07Z MONDAY THROUGH FRIDAY/...
AT KCLT AND ELSEWHERE...VFR THROUGH THE TAF PERIOD. WINDS WILL BE
MAINLY NW...BUT WILL SEE A SHIFT TO WNW NC SITES AND WSW SC SITES
FOR THE AFTERNOON. KAVL WILL REMAIN NW BUT GUSTY FOR THE AFTERNOON.
SOME CLOUDINESS WILL ROTATE BACK INTO THE AREA TODAY...BUT SHOULD
REMAIN IN THE MID RANGE AND MAINLY SCT. CLOUDS MOVE OUT THIS EVENING
WITH LIGHT NLY WIND DEVELOPING.
OUTLOOK....DRY HIGH PRESSURE WILL CONTINUE TO BUILD IN FROM THE
WEST...RESULTING IN DIMINISHING WINDS AND GENERALLY VFR CONDITIONS
THROUGH AT LEAST MID-WEEK.
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...
MIN RH VALUES ARE EXPECTED TO BE NEAR 25 PERCENT ACRS NE GA AND
THE UPSTATE THIS AFTN. A FIRE DANGER STATEMENT WILL BE ISSUED FOR
NE GA TODAY.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...FROST ADVISORY UNTIL 10 AM EDT THIS MORNING FOR NCZ051-052-058-
059-062>064.
FROST ADVISORY FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY FOR
NCZ051-052-058-059-062>064.
SC...NONE.
&&
SYNOPSIS...CSH
NEAR TERM...RWH
SHORT TERM...CSH
LONG TERM...CSH/MCAVOY
AVIATION...RWH
FIRE WEATHER...CSHHazardous weather outlook, Oct 2, 10:23 PM EDT, 5 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1023 PM EDT SUN OCT 2 2011 GAZ010-NCZ033-048>050-053-065-501-503-505-507-509-040230- RABUN-AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS- 1023 PM EDT SUN OCT 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA AND WESTERN NORTH CAROLINA. .DAY ONE...TONIGHT. LOW TEMPERATURES TONIGHT WILL FALL INTO THE MID 30S ACROSS MANY VALLEY LOCATIONS AND THE LOWER 30S AT THE HIGHER ELEVATIONS. FREEZING TEMPERATURES SHOULD MAINLY BE CONFINED TO THE HIGHER ELEVATIONS. HOWEVER...SOME OF THE SHELTERED VALLEYS COULD SEE POCKETS OF FROST AND FREEZING TEMPERATURES. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. LOW TEMPERATURES MONDAY NIGHT WILL FALL INTO THE MID TO UPPER 30S IN THE VALLEYS WITH WARMER TEMPERATURES OVER THE HIGH ELEVATIONS. FROST MAY DEVELOP IN THE SHELTERED VALLEYS. .SPOTTER INFORMATION STATEMENT... NONE. NCZ051-052-058-059-062>064-040230- SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON- TRANSYLVANIA- 1023 PM EDT SUN OCT 2 2011 ...FROST ADVISORY IN EFFECT UNTIL 10 AM EDT MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR 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. FROST ADVISORY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FROST ADVISORY. LOW TEMPERATURES MONDAY NIGHT WILL FALL INTO THE MID TO UPPER 30S IN THE VALLEYS WITH WARMER TEMPERATURES OVER THE HIGH ELEVATIONS. FROST MAY DEVELOP IN THE SHELTERED VALLEYS. .SPOTTER INFORMATION STATEMENT... NONE. GAZ017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506- 508-510-SCZ001>014-019-040230- 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- 1023 PM EDT SUN OCT 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE.
Nearby
Frost Advisories in North Carolina, 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.