Alert archive / South Carolina / Wind Advisories in 2012

Wind Advisory 2, NWS Columbia, SC

December 26, 201216 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this wind advisory at Dec 26, 2012, 2:58 AM EST for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Dec 26, 2012, 7:00 AM EST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2012, 2:58 AM EST (07:58 UTC)
In effect from
Dec 26, 2012, 7:00 AM EST
Expired
Dec 26, 2012, 11:56 PM EST
In force
17 hr
Issued by
NWS Columbia, SC
All 21 counties

Burke County, GA, Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 28 km from the middle of the area, began a volume at 08:01 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

Charleston AFB, SC (KCHS), launched 00:00Z, 8.0 hours before the alert went out and 162 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, Charleston AFB, SC at 00:00Z on 2012-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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, Charleston AFB, SC at 00:00Z on 2012-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 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
44 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
387 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.

995 
WWUS72 KCAE 260758
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
258 AM EST WED DEC 26 2012

...WIND ADVISORY IN EFFECT TODAY INTO THIS EVENING...


GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
262000-
/O.NEW.KCAE.WI.Y.0002.121226T1200Z-121227T0600Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ...
EVANS...AUGUSTA...HEPHZIBAH...WAYNESBORO...LANCASTER...ELGIN...
CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO...CAMDEN...
LUGOFF...EDGEFIELD...JOHNSTON...SALUDA...RIDGE SPRING...
WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK...COLUMBIA...
BISHOPVILLE...SAVANNAH RIVER SITE...AIKEN...NORTH AUGUSTA...
SUMTER...BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG...
ST. MATTHEWS...MANNING...SUMMERTON...BAMBERG...DENMARK
258 AM EST WED DEC 26 2012

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 1 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 1 AM EST
THURSDAY. 

* TIMING...TODAY THROUGH LATE THIS EVENING

* WINDS...SOUTHEAST WINDS THIS MORNING BECOMING WEST THIS
  AFTERNOON AND EVENING. WIND SPEEDS...20 TO 30 MPH WITH GUSTS
  FROM 40 TO 45 MPH.

* IMPACTS...STRONG WINDS AND ROUGH CHOP WILL PRODUCE HAZARDOUS
  CONDITIONS ON AREA LAKES. MOTORISTS SHOULD DRIVE WITH
  CAUTION...ESPECIALLY THOSE WITH HIGH PROFILE VEHICLES...AS
  STRONG WINDS CAN MAKE DRIVING DIFFICULT. STRONG WINDS MAY ALSO
  PRODUCE POWER OUTAGES AS TREES AND LIMBS MAY FALL OR COME IN
  CONTACT WITH LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT FREQUENT GUSTS OF 40 TO 45 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY
FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
2 follow-up statements
137 
WWUS72 KCAE 261538
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
1038 AM EST WED DEC 26 2012

...WIND ADVISORY IN EFFECT TODAY INTO THIS EVENING...

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
270600-
/O.CON.KCAE.WI.Y.0002.000000T0000Z-121227T0600Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ...
EVANS...AUGUSTA...HEPHZIBAH...WAYNESBORO...LANCASTER...ELGIN...
CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO...CAMDEN...
LUGOFF...EDGEFIELD...JOHNSTON...SALUDA...RIDGE SPRING...
WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK...COLUMBIA...
BISHOPVILLE...SAVANNAH RIVER SITE...AIKEN...NORTH AUGUSTA...
SUMTER...BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG...
ST. MATTHEWS...MANNING...SUMMERTON...BAMBERG...DENMARK
1038 AM EST WED DEC 26 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY...

* TIMING...TODAY THROUGH LATE THIS EVENING

* WINDS...SOUTHWEST TO WEST WINDS SUSTAINED 20 TO 30 MPH WITH
  GUSTS UP TO 35 TO 40 MPH.

* IMPACTS...STRONG WINDS AND ROUGH CHOP WILL PRODUCE HAZARDOUS
  CONDITIONS ON AREA LAKES. MOTORISTS SHOULD DRIVE WITH CAUTION...
  ESPECIALLY THOSE WITH HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT FREQUENT GUSTS OF 40 TO 45 MPH ARE
EXPECTED. 

&&

$$
805 
WWUS72 KCAE 270456
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
1156 PM EST WED DEC 26 2012

...LAKE WIND ADVISORY IN EFFECT UNTIL 7 AM EST THURSDAY...
...WIND ADVISORY IS CANCELLED...

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
271200-
/O.CAN.KCAE.WI.Y.0002.000000T0000Z-121227T0600Z/
/O.NEW.KCAE.LW.Y.0021.121227T0500Z-121227T1200Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ...
EVANS...AUGUSTA...HEPHZIBAH...WAYNESBORO...LANCASTER...ELGIN...
CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO...CAMDEN...
LUGOFF...EDGEFIELD...JOHNSTON...SALUDA...RIDGE SPRING...
WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK...COLUMBIA...
BISHOPVILLE...SAVANNAH RIVER SITE...AIKEN...NORTH AUGUSTA...
SUMTER...BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG...
ST. MATTHEWS...MANNING...SUMMERTON...BAMBERG...DENMARK
1156 PM EST WED DEC 26 2012

...LAKE WIND ADVISORY IN EFFECT UNTIL 7 AM EST THURSDAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST THURSDAY. THE WIND
ADVISORY HAS BEEN CANCELLED. 

* TIMING...OVERNIGHT

* WINDS...15 TO 25 KNOTS...WITH GUSTS TO 30 KNOTS.

* IMPACTS...STRONG WINDS AND ROUGH CHOP WILL PRODUCE HAZARDOUS
  CONDITIONS ON AREA LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS AND PERSONAL WATERCRAFT WILL BE
ESPECIALLY PRONE TO CAPSIZING.

&&

$$

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 26, 7:14 AM ESTSpecial Weather StatementCAEFairfield, Newberry, Saluda61 min
Dec 26, 7:41 AM ESTAreal Flood AdvisoryCAERichland49 min
Dec 26, 9:14 AM ESTSevere Thunderstorm WarningCAECalhoun, Chesterfield, Kershaw, Lee, Richland, Sumter61 min
Dec 26, 10:16 AM ESTSpecial Weather StatementCAELee14 min
Dec 26, 10:47 AM ESTSpecial Weather StatementCAEClarendon28 min
Dec 26, 6:47 AM ESTSpecial Weather StatementCAEBurke, Richmond43 min

Nearby

Wind 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.