Alert archive / North Carolina / Wind Advisories in 2012

Wind Advisory 2, NWS Greenville-Spartanburg, SC

January 12, 20128 counties in South Carolina; 20 counties in North Carolina; 6 counties in Georgia

NWS Greenville-Spartanburg, SC issued this wind advisory at Jan 12, 2012, 9:18 PM EST for 8 counties in South Carolina; 20 counties in North Carolina; 6 counties in Georgia. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jan 12, 2012, 9:18 PM EST (02:18 UTC)
Expired
Jan 13, 2012, 3:37 AM EST
In force
6 hr
Issued by
NWS Greenville-Spartanburg, SC
All 34 counties

Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA, Alexander County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Henderson County, NC, Iredell County, NC, Jackson County, NC, Lincoln County, NC, McDowell County, NC, Mecklenburg County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Transylvania County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 39 km from the middle of the area, began a volume at 02:20 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, 2.3 hours before the alert went out and 210 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 2012-01-13Temperature 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 2012-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 304 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
914 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
304 m²/s²
0-3 km storm-relative helicity
243 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.

081 
WWUS72 KGSP 130218
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
918 PM EST THU JAN 12 2012

...VERY WINDY CONDITIONS TONIGHT...

.VERY WINDY CONDITIONS HAVE DEVELOPED ACROSS THE WESTERN CAROLINAS
AND NORTHEAST GEORGIA BEHIND A DEPARTING COLD FRONT. THE WINDS
WILL LET UP SOME LATE TONIGHT...THOUGH WINDY CONDITIONS ARE
EXPECTED TO CONTINUE THROUGH FRIDAY MORNING.

GAZ010-017-018-026-028-029-NCZ035>037-053-056-057-063>065-068>072-
082-501>510-SCZ001>014-019-131030-
/O.CAN.KGSP.LW.Y.0003.000000T0000Z-120113T1700Z/
/O.NEW.KGSP.WI.Y.0002.120113T0218Z-120113T1700Z/
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-BUNCOMBE-CATAWBA-ROWAN-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
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-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...ASHEVILLE...
HICKORY...SALISBURY...BREVARD...HENDERSONVILLE...SHELBY...
LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...
ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
918 PM EST THU JAN 12 2012

...WIND ADVISORY IN EFFECT UNTIL NOON EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST FRIDAY. THIS
REPLACES THE LAKE WIND ADVISORY WHICH HAD BEEN IN EFFECT.

LOCATIONS...THE WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA.

* HAZARDS...VERY WINDY CONDITIONS. 

* TIMING...WINDS WILL BE STRONGEST THROUGH ABOUT 2 AM. THE WINDS
  WILL SUBSIDE A LITTLE THEREAFTER...THOUGH WINDY CONDITIONS WILL
  CONTINUE THROUGH FRIDAY MORNING.

* WINDS...WEST 20 TO 30 MPH. GUSTS UP TO 50 MPH TONIGHT.

* IMPACTS...THE STRONG WIND GUSTS...COMBINED WITH WET
  GROUND...WILL RESULT IN A NUMBER OF DOWNED TREES AND SCATTERED
  POWER OUTAGES OVERNIGHT. WINDS WILL ALSO POSE A HAZARD TO HIGH
  PROFILE VEHICLES. CONDITIONS WILL BE UNSAFE FOR BOATING ON AREA
  LAKES THROUGH FRIDAY MORNING AS WELL.

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.

&&

$$

14
1 follow-up statement
943 
WWUS72 KGSP 130837
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
337 AM EST FRI JAN 13 2012

...BREEZY CONDITIONS WILL CONTINUE THIS MORNING...

.HIGH PRESSURE BUILDING IN BEHIND A COLD FRONT WILL KEEP WINDS
BREEZY THROUGH THE MORNING HOURS.

GAZ010-017-018-026-028-029-NCZ035>037-053-056-057-063>065-068>072-
082-501>510-SCZ001>014-019-131645-
/O.CAN.KGSP.WI.Y.0002.000000T0000Z-120113T1700Z/
/O.NEW.KGSP.LW.Y.0004.120113T0837Z-120113T1700Z/
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-BUNCOMBE-CATAWBA-ROWAN-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
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-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...ASHEVILLE...
HICKORY...SALISBURY...BREVARD...HENDERSONVILLE...SHELBY...
LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE...
GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...
ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
337 AM EST FRI JAN 13 2012

...LAKE WIND ADVISORY IN EFFECT UNTIL NOON EST TODAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TODAY...
FOR THE WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA. THE WIND
ADVISORY HAS BEEN CANCELLED.

* HAZARDS...WINDY CONDITIONS ON AREA LAKES.

* TIMING...WINDS WILL BE STRONGEST THROUGH ABOUT 10 AM. THE WINDS
  WILL CONTINUE TO SUBSIDE THROUGH THE DAY.

* WINDS...WEST 15 TO 25 MPH. GUSTS UP TO 40 MPH THIS MORNING.

* IMPACTS...CONDITIONS WILL BE UNSAFE FOR BOATING 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 3:37 AM ESTLake Wind AdvisoryGSPAbbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more6 hr

Nearby

Wind Advisories in North Carolina, 2012Wind Advisories in South Carolina, 2012Wind Advisories in Georgia, 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.