Alert archive / North Carolina / Wind Advisories in 2015
Wind Advisory 17, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 18, 2015, 3:44 AM EST for 5 counties in North Carolina. It took effect at Dec 18, 2015, 4:00 PM EST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Dec 18, 2015, 3:44 AM EST (08:44 UTC)
- In effect from
- Dec 18, 2015, 4:00 PM EST
- Expired
- Dec 19, 2015, 6:00 AM EST
- In force
- 14 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Buncombe County, NC, Madison County, NC, Mitchell County, NC, Yancey County, NC
The radar
The Knoxville radar (KMRX), 102 km from the middle of the area, began a volume at 08:45 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 219 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
- 502 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
488 WWUS72 KGSP 180844 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 344 AM EST FRI DEC 18 2015 ...VERY WINDY CONDITIONS EXPECTED ACROSS THE HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS... .THE SOUTHERN APPALACHIANS WILL REMAIN BETWEEN A DEPARTING COLD FRONT AND HIGH PRESSURE OVER THE SOUTHERN MISSISSIPPI RIVER VALLEY. FLOW BETWEEN THE TWO FEATURES WILL INCREASE LATE THIS AFTERNOON THROUGH LATE TONIGHT...YIELDING VERY GUSTY NORTHWEST WINDS ACROSS THE HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS. NCZ033-048>050-053-182000- /O.NEW.KGSP.WI.Y.0017.151218T2100Z-151219T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE- INCLUDING THE CITIES OF...BANNER ELK...NEWLAND 344 AM EST FRI DEC 18 2015 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST SATURDAY ABOVE 3500 FEET... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A WIND ADVISORY ABOVE 3500 FEET...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST SATURDAY. * LOCATIONS...HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS. * HAZARDS...VERY WINDY CONDITIONS. * TIMING...NORTHWEST WINDS WILL INCREASE LATE THIS AFTERNOON...PEAKING LATE THIS EVENING. GUSTY WINDS WILL LINGER THROUGH MOST OF TONIGHT. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...UNSECURED OBJECTS MAY BE TOSSED ABOUT BY THE GUSTY WINDS. A FEW TREES AND POWER LINES COULD BE TOPPLED BY THE WINDS. 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. && $$ NED
2 follow-up statements
123 WWUS72 KGSP 181942 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 242 PM EST FRI DEC 18 2015 ...VERY WINDY CONDITIONS EXPECTED ACROSS THE HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS... .THE SOUTHERN APPALACHIANS WILL REMAIN BETWEEN A DEPARTING COLD FRONT AND HIGH PRESSURE OVER THE SOUTHERN MISSISSIPPI RIVER VALLEY. FLOW BETWEEN THE TWO FEATURES WILL INCREASE THROUGH EARLY SATURDAY MORNING...YIELDING VERY GUSTY NORTHWEST WINDS ACROSS THE HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS. NCZ033-048>050-053-190400- /O.CON.KGSP.WI.Y.0017.151218T2100Z-151219T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE- INCLUDING THE CITIES OF...BANNER ELK...NEWLAND 242 PM EST FRI DEC 18 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SATURDAY ABOVE 3500 FEET... * LOCATIONS...HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS. * HAZARDS...VERY WINDY CONDITIONS. * TIMING...NORTHWEST WINDS WILL INCREASE LATE THIS AFTERNOON... PEAKING LATE THIS EVENING. GUSTY WINDS WILL LINGER THROUGH MOST OF TONIGHT. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * IMPACTS...UNSECURED OBJECTS MAY BE TOSSED ABOUT BY THE GUSTY WINDS. A FEW TREES AND POWER LINES COULD BE TOPPLED BY THE WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WIMBERLEY
126 WWUS72 KGSP 190404 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1104 PM EST FRI DEC 18 2015 ...VERY WINDY CONDITIONS EXPECTED ACROSS THE HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS... .THE SOUTHERN APPALACHIANS WILL REMAIN BETWEEN A DEPARTING COLD FRONT AND HIGH PRESSURE OVER THE SOUTHERN MISSISSIPPI RIVER VALLEY. FLOW BETWEEN THE TWO FEATURES WILL INCREASE THROUGH EARLY SATURDAY MORNING...YIELDING VERY GUSTY NORTHWEST WINDS ACROSS THE HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS. NCZ033-048>050-053-191100- /O.CON.KGSP.WI.Y.0017.000000T0000Z-151219T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE- INCLUDING THE CITIES OF...BANNER ELK...NEWLAND 1104 PM EST FRI DEC 18 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SATURDAY ABOVE 3500 FEET... * LOCATIONS...HIGHER ELEVATIONS OF THE NORTHERN NORTH CAROLINA MOUNTAINS. * HAZARDS...VERY WINDY CONDITIONS. * TIMING...GUSTY WINDS WILL LINGER THROUGH MOST OF TONIGHT. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH. * IMPACTS...UNSECURED OBJECTS MAY BE TOSSED ABOUT BY THE GUSTY WINDS. A FEW TREES AND POWER LINES COULD BE TOPPLED BY THE WINDS. 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. && $$ ARK
What forecasters said that day
The local office's own words before this wind 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 wind advisory went out at Dec 18, 3:26 AM EST, 18 minutes earlier.
Area forecast discussion, Dec 18, 3:26 AM EST, 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
326 AM EST FRI DEC 18 2015
.SYNOPSIS...
A COLD FRONT WILL MOVE EAST OF THE AREA EARLY TODAY BRINGING AN END
TO THE RAIN...AND ALLOWING A MUCH COOLER AIR MASS TO FILL IN THROUGH
THE WEEKEND. WET WEATHER WILL LIKELY RETURN EARLY NEXT WEEK...WITH
TEMPERATURES RETURNING TO WELL ABOVE NORMAL LEVELS.
&&
.NEAR TERM /THROUGH TONIGHT/...
AS OF 310 AM...THE FORECAST AREA WILL REMAIN BETWEEN A DEPARTING
COLD FRONT OVER THE WESTERN ATLANTIC AND A 1030 MB HIGH OVER THE
ARKLATX. THE GFS AND NAM INDICATE THAT THE REGION WILL REMAIN UNDER
STRONG CAA. IN FACT...H85 TEMPS OVER CLT IS FORECAST TO FALL FROM 6C
AT 12Z FRI TO -6 C 0Z SAT. THE HOURLY TEMPERATURE FORECAST WILL BE
VERY TRICKY. MTN TEMPS ARE FORECAST TO BEGIN COOLING BY LATE
MORNING...WITH THE COOLING RATE INCREASING THIS AFTERNOON. FOOTHILL
AND PIEDMONT ZONES SHOULD REMAIN BALANCED BY DOWNSLOPE FLOW THROUGH
MID DAY...THEN COOLING TEMPS THIS AFTERNOON. H85 WINDS WILL VEER
THROUGH THE DAY...WITH NW WINDS AND LLVL MOISTURE...SUPPORTING ISO
TO SCT SHOWERS ACROSS THE TN BORDER COUNTIES. PRECIP IS FORECAST TO
FALL GENERALLY AS -SHSN...WITH LITTLE TO NO ACCUMS. THE PRESSURE
GRADIENT BETWEEN THE COLD FRONT AND SOUTHERN MISSISSIPPI RIVER
VALLEY HIGH PRESSURE WILL PEAK THIS EVENING...BETWEEN 5-6 MBS. BY
0Z...H85 WIND WILL INCREASE TO 40 KTS...SUPPORTING HIGH ELEVATION
WIND ADVISORY VALUES ACROSS THE NRN MTNS. I WILL HIGHLIGHT THE
REGION WITH A WIND ADVISORY FOR THE NRN MTNS FOR ELEVATIONS ABOVE
3500 FEET. TONIGHT...SKY WILL BECOME CLEAR WITH CHILLY H85 TEMPS
REMAINING ACROSS THE CWA. LOW TEMPERATURES ARE FORECAST TO RANGE
FROM THE TEENS ACROSS THE RIDGES TO MID 20S WITHIN THE MTN
VALLEYS...UPPER 20S EAST.
&&
.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
AS OF 130 AM FRIDAY...NW FLOW OVER THE AREA ON SAT ENDS AS RIDGING
BUILDS IN FOR SAT NITE AND SUN. THE RIDGE AXIS MOVES EAST INTO THE
ATLANTIC SUN NITE AS A SHORT WAVE MOVES ACROSS THE AREA. AT THE
SFC...THE CENTER OF HIGH PRESSURE BUILDS INTO THE AREA SAT THEN
MOVES EAST INTO THE ATLANTIC ON SUN...BUT REMAINS RIDGED INTO THE
AREA SUN NITE. ANY LINGERING CLOUDS OVER THE MTNS SAT MORNING WILL
QUICKLY DISSIPATE AS THE NW FLOW ABATES AND MOISTURE DRIES UP. WILL
BE LITTLE IN THE WAY OF CLOUDS UNTIL SUN AFTERNOON WHEN CIRRUS
INCREASES AHEAD OF THE SHORT WAVE. LOW CLOUDS INCREASE SUN NITE AS
LOW LEVEL MOISTURE MOVES IN ON THE DEVELOPING SELY LOW LEVEL FLOW.
MAY EVEN BE LIGHT SHRA DEVELOPING OVER THE WRN NC MTNS AND THE
UPSTATE AND NE GA MTNS IN THE UPSLOPE FLOW. HIGHS BELOW NORMAL SAT
RISE TO A COUPLE OF DEGREES ABOVE NORMAL ON SUN. BELOW NORMAL LOWS
SAT NITE RISE TO AROUND 5 DEGREES ABOVE NORMAL SUN NITE.
&&
.LONG TERM /MONDAY THROUGH THURSDAY/...
AS OF 245 AM FRIDAY...SWLY FLOW SETS UP ACROSS THE SERN CONUS THRU
MUCH OF THE PERIOD AS A STRONG RIDGE DEVELOPS OVER THE ATLANTIC AND
A DEEP TROF DEVELOPS OVER THE CENTRAL CONUS. A SERIES OF SHORT WAVES
WILL ROTATE THRU THE FLOW AND ACROSS THE AREA. THE FLOW BEGINS TO
TURN MORE ZONAL BY THU AS THE RIDGE WEAKENS AND THE TROF MOVES EAST
ACROSS THE ERN CONUS.
AT THE SFC...THE RIDGE OF HIGH PRESSURE OVER THE AREA WEAKENS
ALLOWING DEEP SLY FLOW TO DEVELOP KEEPING MOISTURE ACROSS THE AREA
THUR THE PERIOD. IT COULD BE A LITTLE TRICKY WITH TIMING...BUT IT
APPEARS THE BEST PERIOD FOR POP WILL BE LATE TUE INTO WED WHEN THE
FLOW...MOISTURE AND FORCING ARE GREATEST. A FRONT MOVES INTO THEN
ACROSS THE AREA THU...BRINGING AN END TO THE SLY FLOW AND ALLOWING
PRECIP TO SLOWLY TAPER OFF. TEMPS START OUT ABOVE NORMAL...THEN RISE
THRU THE PERIOD...APPROACHING 20 DEGREES ABOVE NORMAL BY THE END OF
THE PERIOD.
&&
.AVIATION /09Z FRIDAY THROUGH TUESDAY/...
AT KCLT...AT 6Z...LATEST SFC ANALYSIS INDICATED THAT A SFC COLD
FRONT WAS LOCATED ACROSS THE EASTERN CAROLINAS. IN THE WAKE OF THE
FRONT...WIDESPREAD LIFR STRATUS EXISTED ACROSS THE PIEDMONT...WITH
PATCHY FOG. THE RESTRICTIVE CEILINGS WILL LIKELY REMAIN THROUGH THE
PRE DAWN HOURS AS WINDS REMAIN LIGHT FROM THE SW. AFTER
SUNRISE...WINDS WILL VEER FROM THE NW AND LOW CLOUDS WILL QUICKLY
ERODE FROM WEST TO EAST. FORECAST SOUNDINGS AND LAMP INDICATE THAT
GUSTY NW WINDS WILL DEVELOP BY MID MORNING...REMAINING INTO THE
EARLY EVENING.
ELSEWHERE...DOWNSLOPE FLOW HAS MANAGED TO ERODE LOW CEILINGS IN
THE LEE OF THE MTNS. HOWEVER...THE POSSIBILITY OF FOG DEVELOPMENT
WILL MAKE THE FORECAST CHALLENGING THROUGH DAYBREAK. I WILL INDICATE
VARYING CONDITIONS THROUGH SUNRISE...WITH VFR AND PERIODS OF MVFR TO
IFR. AFTER SUNRISE...DOWNSLOPE FLOW WILL STRENGTHEN ACROSS THE
FOOTHILLS AND PIEDMONT...SUPPORTING VFR. GUSTY NW WINDS WILL DEVELOP
BY MID MORNING AND REMAIN THROUGH EARLY THIS AFTERNOON.
OUTLOOK...HIGH PRESSURE WILL BUILD OVER THE SE CONUS THROUGH THE
WEEKEND. CONDITIONS WILL GENERALLY REMAIN VFR...WITH THE POSSIBILITY
OF MTN VALLEY FOG EACH MORNING. A COLD FRONT COUPLED WITH LOW
PRESSURE WILL SPREAD LOW CEILINGS AND RAIN ACROSS THE REGION EARLY
NEXT WEEK.
CONFIDENCE TABLE...
08-14Z 14-20Z 20-02Z 02-06Z
KCLT LOW 55% HIGH 100% HIGH 100% HIGH 100%
KGSP LOW 59% HIGH 100% HIGH 100% HIGH 100%
KAVL HIGH 89% HIGH 98% HIGH 100% HIGH 100%
KHKY LOW 30% HIGH 91% HIGH 100% HIGH 100%
KGMU LOW 52% HIGH 100% HIGH 100% HIGH 100%
KAND HIGH 80% HIGH 100% HIGH 100% HIGH 100%
THE PERCENTAGE REFLECTS THE NUMBER OF GUIDANCE MEMBERS AGREEING
WITH THE SCHEDULED TAF ISSUANCE FLIGHT RULE CATEGORY. COMPLETE HOURLY
EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLES AND ENSEMBLE FORECASTS
ARE AVAILABLE AT THE FOLLOWING LINK: (MUST BE LOWER CASE)
WWW.WEATHER.GOV/GSP/AVIATION
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...WIND ADVISORY FROM 3 PM THIS AFTERNOON TO 6 AM EST SATURDAY
FOR NCZ033-048>050.
SC...NONE.
&&
SYNOPSIS...RWH
NEAR TERM...NED
SHORT TERM...RWH
LONG TERM...RWH
AVIATION...NEDHazardous weather outlook, Dec 17, 3:17 PM EST, 12 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 317 PM EST THU DEC 17 2015 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-182030- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-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- 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-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD- 317 PM EST THU DEC 17 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE.
Nearby
Wind Advisories in North Carolina, 2015Every wind advisory in 2015
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.