Alert archive / North Carolina / Wind Advisories in 2011

Wind Advisory 13, NWS Greenville-Spartanburg, SC

December 7, 20117 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 7, 2011, 7:49 PM EST for 7 counties in North Carolina. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Dec 7, 2011, 7:49 PM EST (00:49 UTC)
Expired: Dec 8, 2011, 1:45 AM EST
In force: 6 hr
Issued by: NWS Greenville-Spartanburg, SC

Counties Buncombe County, NC, Burke County, NC, Caldwell County, NC, Henderson County, NC, McDowell County, NC, Polk County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 00:51 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, 0.8 hours before the alert went out and 202 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 75 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 594 m above ground
0-6 km bulk shear: 117 kt
0-1 km storm-relative helicity: -224 m²/s²
0-3 km storm-relative helicity: -362 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.

740 
WWUS72 KGSP 080049
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
749 PM EST WED DEC 7 2011

...WINDY CONDITIONS CONTINUING TONIGHT...

.GUSTY NORTHWEST WINDS WILL CONTINUE OVER THE REGION TONIGHT AS
LOW PRESSURE MOVES QUICKLY UP THE ATLANTIC COAST. THE WINDS WILL
LET UP AROUND MIDNIGHT OVER THE FOOTHILLS AND PIEDMONT...BUT WINDY
CONDITIONS WILL LAST MOST OF THE NIGHT OVER THE NORTH CAROLINA
MOUNTAINS. 

NCZ053-065-501-503-505-507-509-080900-
/O.NEW.KGSP.WI.Y.0013.111208T0049Z-111208T1200Z/
BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-
MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...ASHEVILLE...HENDERSONVILLE
749 PM EST WED DEC 7 2011

...WIND ADVISORY IN EFFECT UNTIL 7 AM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST THURSDAY. 

* LOCATIONS...THE FRENCH BROAD VALLEY AND THE EASTERN SLOPES OF
  THE NORTH CAROLINA BLUE RIDGE.

* HAZARDS...VERY WINDY CONDITIONS.

* TIMING...MOST OF THE NIGHT...WITH WINDS DIMINISHING TOWARD MORNING.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...THE GUSTY WINDS COUPLED WITH WET GROUND WILL RESULT IN
  SOME DOWNED TREES AND POWER LINES. 

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.

&&

$$

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-
506-508-510-SCZ001>014-019-080300-
/O.CON.KGSP.LW.Y.0033.000000T0000Z-111208T0300Z/
RABUN-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-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...HICKORY...
SALISBURY...SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...
CONCORD...MONROE...GREENVILLE...SPARTANBURG...GAFFNEY...
ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...
GREENWOOD
749 PM EST WED DEC 7 2011

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* LOCATIONS...NORTHEAST GEORGIA...UPSTATE SOUTH CAROLINA...AND 
  THE FOOTHILLS AND PIEDMONT OF WESTERN NORTH CAROLINA. 

* HAZARDS...WINDY CONDITIONS WILL MAKE FOR HAZARDOUS BOATING 
  CONDITIONS ON AREA LAKES. 

* TIMING...WEST TO NORTHWEST WINDS WILL SLOWLY ABATE THROUGH
  MIDNIGHT.

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* IMPACTS...WINDY CONDITIONS WILL CAUSE ROUGH CHOP ON AREA LAKES.

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

1 follow-up statement

158 
WWUS72 KGSP 080645
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
145 AM EST THU DEC 8 2011

NCZ053-065-501-503-505-507-509-080745-
/O.CAN.KGSP.WI.Y.0013.000000T0000Z-111208T1200Z/
BUNCOMBE-HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-
MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...ASHEVILLE...HENDERSONVILLE
145 AM EST THU DEC 8 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS
CANCELLED THE WIND ADVISORY. WIND GUSTS WILL GRADUALLY WEAKEN
THROUGH THE EARLY MORNING HOURS AS HIGH PRESSURE BUILDS OVER THE REGION.

$$

NED

Nearby

Wind Advisories in North Carolina, 2011 Every wind 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.