Alert archive / North Carolina / Wind Advisories in 2008

Wind Advisory 21, NWS Greenville-Spartanburg, SC

December 24, 20089 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 24, 2008, 7:25 PM EST for 9 counties in North Carolina. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 24, 2008, 7:25 PM EST (00:25 UTC)
Expired
Dec 24, 2008, 10:26 PM EST
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Mitchell County, NC, Swain County, NC, Yancey County, NC

The radar

The Knoxville radar (KMRX), 76 km from the middle of the area, began a volume at 00:27 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, 0.4 hours before the alert went out and 274 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 2008-12-25Temperature 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 2008-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 582 square meters per square second.1939587897Sfc1 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
543 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
582 m²/s²
0-3 km storm-relative helicity
740 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.

000 
WWUS72 KGSP 250025
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
725 PM EST WED DEC 24 2008

...WIND ADVISORY IN EFFECT FOR ELEVATIONS ABOVE 3500 FEET...

.STRONG SOUTHWEST WINDS WILL AFFECT THE HIGHER ELEVATIONS OF THE
NORTH CAROLINA MOUNTAINS THIS EVENING AS A COLD FRONT APPROACHES
FROM THE WEST.

NCZ033-048>052-058-059-062-250500-
/O.EXP.KGSP.WI.Y.0020.000000T0000Z-081225T0000Z/
/O.NEW.KGSP.WI.Y.0021.081225T0025Z-081225T0500Z/
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-GRAHAM-
NORTHERN JACKSON-MACON-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...CHEROKEE...
WAYNESVILLE...SYLVA...FRANKLIN
725 PM EST WED DEC 24 2008

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT.
THE WIND ADVISORY IS NO LONGER IN EFFECT. 

SOUTHWEST WINDS AT HIGHER ELEVATIONS OVER THE NORTH CAROLINA
MOUNTAIN COUNTIES NEAR THE TENNESSEE BORDER...WILL OCCASIONALLY
GUST TO AROUND 55 MPH THIS EVENING. THESE WINDS WILL LIKELY CAUSE
SOME TREE LIMBS TO FALL ALONG WITH SOME ISOLATED TREE BLOW DOWNS.

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.

$$
07
1 follow-up statement
000 
WWUS72 KGSP 250326
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1026 PM EST WED DEC 24 2008

...WIND ADVISORY CANCELED...

.WINDS ARE EXPECTED TO DIMINISH OVERNIGHT IN THE NORTH CAROLINA
MOUNTAINS.

NCZ033-048>052-058-059-062-250430-
/O.CAN.KGSP.WI.Y.0021.000000T0000Z-081225T0500Z/
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-GRAHAM-
NORTHERN JACKSON-MACON-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...CHEROKEE...
WAYNESVILLE...SYLVA...FRANKLIN
1026 PM EST WED DEC 24 2008

...WIND ADVISORY IS CANCELED...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS
CANCELED THE WIND ADVISORY. 

WINDS WILL DIMINISH OVERNIGHT IN THE NORTH CAROLINA MOUNTAINS.

$$
07

Nearby

Wind Advisories in North Carolina, 2008Every wind advisory in 2008

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.