Alert archive / North Carolina / Wind Advisories in 2012

Wind Advisory 11, NWS Greenville-Spartanburg, SC

December 29, 201210 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 29, 2012, 4:12 AM EST for 10 counties in North Carolina. It took effect at Dec 29, 2012, 12:00 PM EST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Dec 29, 2012, 4:12 AM EST (09:12 UTC)
In effect from
Dec 29, 2012, 12:00 PM EST
Expired
Dec 30, 2012, 12:00 PM EST
In force
24 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Henderson County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 92 km from the middle of the area, began a volume at 09:12 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 00:00Z, 9.2 hours before the alert went out and 201 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 2012-12-29Temperature 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°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 2012-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939587897117136Sfc1 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
1255 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
110 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.

594 
WWUS72 KGSP 290912
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
412 AM EST SAT DEC 29 2012

...WINDY CONDITIONS DEVELOPING ACROSS THE MOUNTAINS THIS AFTERNOON...

.A COLD FRONT WILL CROSS THE REGION LATER THIS MORNING. WINDS WILL
TURN TO THE WEST AND NORTHWEST ACROSS THE MOUNTAINS BY LATE
MORNING AND BECOME VERY GUSTY DURING THE AFTERNOON. AS AN AREA OF
LOW PRESSURE STRENGTHENS OFF THE MID-ATLANTIC COAST...WINDS ARE
EXPECTED TO STRENGTHEN BY THIS EVENING...AND REMAIN QUITE STRONG
THROUGH THE OVERNIGHT AND EARLY SUNDAY. 

NCZ033-049-050-053-065-501-503-505-507-509-291600-
/O.NEW.KGSP.WI.Y.0011.121229T1700Z-121230T1700Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
412 AM EST SAT DEC 29 2012

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO NOON EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO NOON EST
SUNDAY.

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...PARTICULARLY AREAS
  NEAR THE BLUE RIDGE. 

* HAZARDS...GUSTY WINDS AND WET SOIL CONDITIONS COMBINING TO DOWN
  A FEW TREES AND CREATING DIFFICULT DRIVING CONDITIONS.

* TIMING...THIS AFTERNOON THROUGH SUNDAY MORNING...WITH THE
  STRONGEST WINDS EXPECTED TONIGHT. 

* WINDS...NORTHWEST 15 TO 30 MPH. GUSTS UP TO 40 MPH EXPECTED THIS
  AFTERNOON...WITH UP TO 50 MPH GUSTS EXPECTED TONIGHT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND WET SOIL DUE TO THE
  RECENT WET WEATHER WILL LIKELY RESULT IN QUITE A FEW TREES
  FALLING ACROSS THE ADVISORY AREA. SCATTERED POWER OUTAGES CAN BE
  EXPECTED.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS AS HIGH AS 57 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
LANE
4 follow-up statements
439 
WWUS72 KGSP 291706
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1206 PM EST SAT DEC 29 2012

...WINDY CONDITIONS DEVELOPING ACROSS THE MOUNTAINS THIS
AFTERNOON...

.IN THE WAKE OF A COLD FRONT...WINDS WILL TURN TO THE NORTHWEST 
ACROSS THE MOUNTAINS BECOME VERY GUSTY DURING THE AFTERNOON. AS
AN AREA OF LOW PRESSURE STRENGTHENS OFF THE MID- ATLANTIC
COAST...WINDS ARE EXPECTED TO STRENGTHEN BY THIS EVENING...AND
REMAIN QUITE STRONG THROUGH THE OVERNIGHT AND EARLY SUNDAY.

NCZ033-049-050-053-065-501-503-505-507-509-300115-
/O.CON.KGSP.WI.Y.0011.000000T0000Z-121230T1700Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
1206 PM EST SAT DEC 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST SUNDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...PARTICULARLY AREAS 
  NEAR THE BLUE RIDGE.

* HAZARDS...GUSTY WINDS AND WET SOIL CONDITIONS COMBINING TO 
  DOWN A FEW TREES AND CREATING DIFFICULT DRIVING CONDITIONS.

* TIMING...THIS AFTERNOON THROUGH SUNDAY MORNING...WITH THE 
  STRONGEST WINDS EXPECTED TONIGHT.

* WINDS...NORTHWEST 15 TO 30 MPH. GUSTS UP TO 40 MPH EXPECTED 
  THIS AFTERNOON...WITH UP TO 50 MPH GUSTS EXPECTED TONIGHT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND WET SOIL DUE TO 
  THE RECENT WET WEATHER WILL LIKELY RESULT IN QUITE A FEW TREES 
  FALLING ACROSS THE ADVISORY AREA. SCATTERED POWER OUTAGES CAN 
  BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS AS HIGH AS 57 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
131 
WWUS72 KGSP 291927
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
227 PM EST SAT DEC 29 2012

...WINDY CONDITIONS ACROSS THE MOUNTAINS AND NORTHERN FOOTHILLS OF
NORTH CAROLINA THIS AFTERNOON AND TONIGHT...

.WINDS WILL REMAIN VERY GUSTY FROM THE NORTHWEST ACROSS THE
MOUNTAINS AND NORTH CAROLINA FOOTHILLS DURING THE AFTERNOON. AS
AN AREA OF LOW PRESSURE STRENGTHENS OFF THE MID-ATLANTIC COAST...
WINDS ARE EXPECTED TO STRENGTHEN THIS EVENING...AND REMAIN QUITE
STRONG THROUGH THE OVERNIGHT AND EARLY SUNDAY.

NCZ033-049-050-053-065-501-503-505-507-509-300330-
/O.CON.KGSP.WI.Y.0011.000000T0000Z-121230T1700Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
227 PM EST SAT DEC 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST SUNDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...PARTICULARLY AREAS 
  NEAR THE BLUE RIDGE.

* HAZARDS...GUSTY WINDS AND WET SOIL CONDITIONS WILL COMBINE TO
  KNOCK DOWN A FEW TREES AND WILL CREATE DIFFICULT DRIVING
  CONDITIONS.

* TIMING...THROUGH SUNDAY MORNING...WITH THE STRONGEST WINDS
  EXPECTED TONIGHT.

* WINDS...NORTHWEST 15 TO 30 MPH. GUSTS UP TO 40 MPH EXPECTED 
  THIS AFTERNOON...WITH UP TO 50 MPH GUSTS EXPECTED TONIGHT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND WET SOIL DUE TO THE
  RECENT RAINFALL WILL LIKELY RESULT IN SEVERAL TREES FALLING
  ACROSS THE ADVISORY AREA. SCATTERED POWER OUTAGES CAN BE
  EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS AS HIGH AS 57 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

PM
927 
WWUS72 KGSP 300222
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
922 PM EST SAT DEC 29 2012

...WINDY CONDITIONS ACROSS THE MOUNTAINS AND NORTHERN FOOTHILLS
OF NORTH CAROLINA TONIGHT...

.VERY WINDY CONDITIONS WILL CONTINUE OVERNIGHT AS AN AREA OF LOW
PRESSURE STRENGTHENS OFF THE NEW ENGLAND COAST. THE WINDS WILL
GRADUALLY DIMINISH SUNDAY MORNING AS HIGH PRESSURE BUILDS INTO THE
REGION.

NCZ033-049-050-053-065-501-503-505-507-509-301030-
/O.CON.KGSP.WI.Y.0011.000000T0000Z-121230T1700Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
922 PM EST SAT DEC 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST SUNDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...PARTICULARLY AREAS 
  NEAR THE BLUE RIDGE.

* HAZARDS...GUSTY WINDS AND WET SOIL CONDITIONS WILL COMBINE TO 
  KNOCK DOWN A FEW TREES AND WILL CREATE DIFFICULT DRIVING 
  CONDITIONS.

* TIMING...THROUGH SUNDAY MORNING...WITH THE STRONGEST WINDS 
  EXPECTED TONIGHT.

* WINDS...NORTHWEST 15 TO 30 MPH. GUSTS UP TO 50 MPH.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND WET SOIL DUE TO 
  THE RECENT RAINFALL WILL LIKELY RESULT IN SEVERAL TREES 
  FALLING ACROSS THE ADVISORY AREA. SCATTERED POWER OUTAGES CAN 
  BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS AS HIGH AS 57 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

MCAVOY
435 
WWUS72 KGSP 300819
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
319 AM EST SUN DEC 30 2012

...WINDY CONDITIONS TO CONTINUE ACROSS THE BLUE RIDGE MOUNTAINS
THIS MORNING...

NCZ033-049-050-053-065-501-503-505-507-509-301600-
/O.CON.KGSP.WI.Y.0011.000000T0000Z-121230T1700Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
319 AM EST SUN DEC 30 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...PARTICULARLY AREAS 
  NEAR THE BLUE RIDGE.

* HAZARDS...GUSTY WINDS AND WET SOIL CONDITIONS WILL COMBINE TO 
  KNOCK DOWN A FEW TREES AND WILL CREATE DIFFICULT DRIVING 
  CONDITIONS.

* TIMING...THIS MORNING...WITH THE STRONGEST WINDS EXPECTED THROUGH
  SUNRISE.

* WINDS...NORTHWEST 15 TO 30 MPH. FREQUENT GUSTS OF 40 TO 50 MPH.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND WET SOIL DUE TO THE
  RECENT RAINFALL WILL LIKELY RESULT IN SEVERAL TREES FALLING
  ACROSS THE ADVISORY AREA. A FEW POWER OUTAGES CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS AS HIGH AS 57 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 6:56 AM ESTWinter Weather AdvisoryGSPAvery, Buncombe, Graham, Haywood, Madison, Mitchell and 2 more23 hr

Nearby

Wind Advisories in North Carolina, 2012Every wind 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.