Alert archive / North Carolina / High Wind Warnings in 2011

High Wind Warning 2, NWS Greenville-Spartanburg, SC

November 23, 201110 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this high wind warning at Nov 23, 2011, 3:33 AM EST for 10 counties in North Carolina. It took effect at Nov 23, 2011, 4:00 AM EST. It was in force for 11 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
Nov 23, 2011, 3:33 AM EST (08:33 UTC)
In effect from
Nov 23, 2011, 4:00 AM EST
Expired
Nov 23, 2011, 2:52 PM EST
In force
11 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 08:35 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, 8.6 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 2011-11-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.19395878Sfc1 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
113 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
954 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

900 
WWUS72 KGSP 230833
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
333 AM EST WED NOV 23 2011

...STRONG WINDS OVER PARTS OF THE NORTH CAROLINA MOUNTAINS AND
FOOTHILLS TODAY...

.A STRONG COLD FRONT WILL CROSS THE REGION EARLY THIS MORNING. AS
HIGH PRESSURE BUILDS IN BEHIND THE FRONT...NORTHWEST WINDS WILL
INCREASE DURING THE COURSE OF THE MORNING. THE POTENTIAL EXISTS
FOR DAMAGING WIND GUSTS TO AFFECT PARTS OF THE UPPER FRENCH BROAD
VALLEY...THE NORTHERN MOUNTAINS AND THE EAST SLOPES OF THE BLUE
RIDGE THROUGH LATE THIS EVENING. AWAY FROM THIS AREA WINDS WILL
BE SIGNIFICANTLY WEAKER.

NCZ033-049-050-053-065-501-503-505-507-509-232200-
/O.NEW.KGSP.HW.W.0002.111123T0900Z-111124T0500Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
333 AM EST WED NOV 23 2011

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

* LOCATIONS...THE UPPER FRENCH BROAD VALLEY. THE NORTHERN
  MOUNTAINS AND THE EASTERN SLOPES OF THE BLUE RIDGE.

* HAZARDS...STRONG WINDS.

* TIMING...NORTHWEST WINDS WILL DEVELOP THIS MORNING AND LAST
  THROUGH LATE EVENING.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS OF 50 TO 60 MPH.

* IMPACTS...DOWNED TREES AND POWER LINES. DANGEROUS DRIVING
  CONDITIONS FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

NCZ048-052-064-502-504-506-508-510-SCZ003-232200-
/O.NEW.KGSP.LW.Y.0031.111123T0900Z-111124T0500Z/
MADISON-HAYWOOD-TRANSYLVANIA-GREATER CALDWELL-GREATER BURKE-
EASTERN MCDOWELL-GREATER RUTHERFORD-EASTERN POLK-
GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...WAYNESVILLE...BREVARD
333 AM EST WED NOV 23 2011

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

* LOCATIONS...PARTS OF THE CENTRAL NORTH CAROLINA MOUNTAINS AND
  THE NORTH CAROLINA FOOTHILLS. THE MOUNTAINS OF GREENVILLE
  COUNTY.

* HAZARDS...WINDY CONDITIONS.

* TIMING...WINDS PICKING UP AFTER SUNRISE...THEN DIMINISHING
  DURING THE LATE EVENING HOURS.

* WINDS...NORTHWEST 15 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.

&&

$$

14
2 follow-up statements
908 
WWUS72 KGSP 231434
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
934 AM EST WED NOV 23 2011

...STRONG WINDS OVER PARTS OF THE NORTH CAROLINA MOUNTAINS AND
FOOTHILLS TODAY...

.AS HIGH PRESSURE BUILDS IN BEHIND A DEPARTING COLD FRONT...
NORTHWEST WIND SPEEDS WILL INCREASE THROUGH THE DAY. THE POTENTIAL
EXISTS FOR DAMAGING WIND GUSTS TO AFFECT PARTS OF THE UPPER FRENCH
BROAD VALLEY...THE NORTHERN MOUNTAINS...AND THE EAST SLOPES OF THE
BLUE RIDGE THROUGH LATE THIS EVENING. AWAY FROM THIS AREA WINDS
WILL BE SIGNIFICANTLY WEAKER.

NCZ033-049-050-053-065-501-503-505-507-509-232245-
/O.CON.KGSP.HW.W.0002.000000T0000Z-111124T0500Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
934 AM EST WED NOV 23 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

* LOCATIONS...THE UPPER FRENCH BROAD VALLEY...THE NORTHERN
  MOUNTAINS...AND THE EASTERN SLOPES OF THE BLUE RIDGE.

* HAZARDS...STRONG WINDS.

* TIMING...NORTHWEST WINDS WILL CONTINUE THROUGH LATE EVENING.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.

* IMPACTS...DOWNED TREES AND POWER LINES. DANGEROUS DRIVING 
  CONDITIONS FOR HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

GAZ010-017-NCZ051-058-059-062-063-SCZ001-002-232245-
/O.EXA.KGSP.LW.Y.0031.000000T0000Z-111124T0500Z/
RABUN-HABERSHAM-SWAIN-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...BRYSON CITY...
SYLVA...FRANKLIN
934 AM EST WED NOV 23 2011

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

* LOCATIONS...PARTS OF THE CENTRAL AND SOUTHERN MOUNTAINS OF NORTH
  CAROLINA AND THE MOUNTAINS OF UPSTATE SOUTH CAROLINA AND
  NORTHEAST GEORGIA.

* HAZARDS...WINDY CONDITIONS.

* TIMING...WINDS CONTINUING INTO THE EVENING HOURS.

* WINDS...NORTH 15 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.

&&

$$

NCZ048-052-064-502-504-506-508-510-SCZ003-232245-
/O.CON.KGSP.LW.Y.0031.000000T0000Z-111124T0500Z/
MADISON-HAYWOOD-TRANSYLVANIA-GREATER CALDWELL-GREATER BURKE-
EASTERN MCDOWELL-GREATER RUTHERFORD-EASTERN POLK-
GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...WAYNESVILLE...BREVARD
934 AM EST WED NOV 23 2011

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

* LOCATIONS...PARTS OF THE CENTRAL AND SOUTHERN NORTH CAROLINA
  MOUNTAINS...THE NORTH CAROLINA FOOTHILLS...AND THE MOUNTAINS OF 
  GREENVILLE COUNTY.

* HAZARDS...WINDY CONDITIONS.

* TIMING...WINDS CONTINUING INTO THE EVENING HOURS.

* WINDS...NORTHWEST 15 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.

&&

$$
156 
WWUS72 KGSP 231952
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 PM EST WED NOV 23 2011

...DIMINISHING WINDS OVER THE MOUNTAINS AND FOOTHILLS THIS
EVENING... 

.AS HIGH PRESSURE BUILDS IN BEHIND A DEPARTING COLD FRONT...
NORTHWEST WINDS WILL DIMINISH THROUGH THE EVENING. BEFORE THAT
TIME...THE POTENTIAL EXISTS FOR STRONG WIND GUSTS TO AFFECT PARTS
OF THE UPPER FRENCH BROAD VALLEY...THE NORTHERN MOUNTAINS...AND
THE EAST SLOPES OF THE BLUE RIDGE THROUGH LATE THIS EVENING. AWAY
FROM THIS AREA WINDS WILL BE GUSTY BUT WEAKER.

NCZ033-049-050-053-065-501-503-505-507-509-240400-
/O.CAN.KGSP.HW.W.0002.000000T0000Z-111124T0500Z/
/O.NEW.KGSP.WI.Y.0012.111123T1952Z-111124T0500Z/
AVERY-YANCEY-MITCHELL-BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-
BURKE MOUNTAINS-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE...
HENDERSONVILLE
252 PM EST WED NOV 23 2011

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT.
THE HIGH WIND WARNING HAS BEEN CANCELLED. 

* LOCATIONS...THE UPPER FRENCH BROAD VALLEY...THE NORTHERN 
  MOUNTAINS...AND THE EASTERN SLOPES OF THE BLUE RIDGE. 

* HAZARDS...STRONG WINDS.

* TIMING...NORTHWEST WINDS WILL CONTINUE THROUGH LATE EVENING.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...ISOLATED DOWNED TREES AND POWER LINES. DANGEROUS
  DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES.

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.

&&

$$

GAZ010-017-NCZ048-051-052-058-059-062>064-502-504-506-508-510-
SCZ001>003-240400-
/O.CON.KGSP.LW.Y.0031.000000T0000Z-111124T0500Z/
RABUN-HABERSHAM-MADISON-SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-GREATER CALDWELL-
GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-EASTERN POLK-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...BRYSON CITY...
WAYNESVILLE...SYLVA...FRANKLIN...BREVARD
252 PM EST WED NOV 23 2011

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

* LOCATIONS...THE CENTRAL AND SOUTHERN NORTH CAROLINA MOUNTAINS...
  THE LOWER ELEVATIONS OF NORTH CAROLINA FOOTHILLS...AND THE
  MOUNTAINS OF UPSTATE SOUTH CAROLINA AND EXTREME NORTHEAST
  GEORGIA.

* HAZARDS...WINDY CONDITIONS.

* TIMING...WINDS CONTINUING INTO THE EVENING HOURS.

* WINDS...NORTH 15 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 22, 10:25 PM ESTSpecial Weather StatementGSPBurke35 min
Nov 22, 10:31 PM ESTSpecial Weather StatementGSPRutherford29 min
Nov 22, 10:54 PM ESTTornado WarningGSPCatawba, Cleveland, Lincoln, Rutherford23 min
Nov 23, 3:33 AM ESTLake Wind AdvisoryGSPBurke, Caldwell, Graham, Haywood, Jackson, McDowell and 6 more18 hr
Nov 23, 2:52 PM ESTWind AdvisoryGSPAvery, Buncombe, Burke, Caldwell, Henderson, McDowell and 4 more7 hr

Nearby

High Wind Warnings in North Carolina, 2011Every high wind 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.