Alert archive / South Carolina / Wind Advisories in 2009

Wind Advisory 2, NWS Columbia, SC

February 11, 200916 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this wind advisory at Feb 11, 2009, 11:25 AM EST for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Feb 11, 2009, 1:00 PM EST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2009, 11:25 AM EST (16:25 UTC)
In effect from
Feb 11, 2009, 1:00 PM EST
Expired
Feb 12, 2009, 4:00 AM EST
In force
15 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 16:30 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 12:00Z, 4.4 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 12:00Z on 2009-02-11Temperature 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, Charleston AFB, SC at 12:00Z on 2009-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
106 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 KCAE 111625
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
1125 AM EST WED FEB 11 2009


GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
120200-
/O.NEW.KCAE.WI.Y.0002.090211T1800Z-090212T0900Z/
/O.EXT.KCAE.LW.Y.0007.090212T0900Z-090212T2200Z/
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...AIKEN...NORTH AUGUSTA...SUMTER...BARNWELL...
WILLISTON...BLACKVILLE...ORANGEBURG...ST. MATTHEWS...MANNING...
SUMMERTON...BAMBERG...DENMARK
1125 AM EST WED FEB 11 2009

...WIND ADVISORY IN EFFECT UNTIL 4 AM EST THURSDAY...
...LAKE WIND ADVISORY NOW IN EFFECT FROM 4 AM TO 5 PM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A WIND ADVISORY...
WHICH IS IN EFFECT UNTIL 4 AM EST THURSDAY. THE LAKE WIND
ADVISORY IS NOW IN EFFECT FROM 4 AM TO 5 PM EST THURSDAY.

AN INCREASING PRESSURE GRADIENT WILL RESULT IN STRONG SOUTHERLY
WINDS ACROSS AREA LAKES THIS AFTERNOON...OVERNIGHT AND INTO
THURSDAY AFTERNOON. SOUTHERLY WINDS WILL INCREASE TO 25 TO 35
KNOTS DURING THE AFTERNOON. WIND GUSTS UP TO 45 KNOTS ARE POSSIBLE
AS A COLD FRONT MOVES THROUGH THIS EVENING. WINDS WILL TURN MORE
WESTERLY AND DIMINISH SOMEWHAT BEHIND THE FRONT OVERNIGHT.

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.

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.

$$
2 follow-up statements
000 
WWUS72 KCAE 120332
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
1032 PM EST WED FEB 11 2009


GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
120900-
/O.CON.KCAE.WI.Y.0002.000000T0000Z-090212T0900Z/
/O.CON.KCAE.LW.Y.0007.090212T0900Z-090212T2200Z/
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...AIKEN...NORTH AUGUSTA...SUMTER...BARNWELL...
WILLISTON...BLACKVILLE...ORANGEBURG...ST. MATTHEWS...MANNING...
SUMMERTON...BAMBERG...DENMARK
1032 PM EST WED FEB 11 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST THURSDAY...
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 5 PM EST
THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST THURSDAY.
A LAKE WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 5 PM EST
THURSDAY.

AN INCREASING PRESSURE GRADIENT WILL RESULT IN STRONG SOUTHWESTERLY
WINDS ACROSS AREA LAKES OVERNIGHT. WIND SPEEDS OF 25 TO 35 KNOTS
CAN BE EXPECTED WITH GUSTS UP TO 45 KNOTS AS A COLD FRONT MOVES
THROUGH THE AREA TONIGHT. WINDS WILL TURN MORE WESTERLY AND
DIMINISH SOMEWHAT BEHIND THE FRONT DURING THE OVERNIGHT HOURS.

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.

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.

$$
000 
WWUS72 KCAE 120906
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
406 AM EST THU FEB 12 2009


GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
122200-
/O.EXP.KCAE.WI.Y.0002.000000T0000Z-090212T0900Z/
/O.CON.KCAE.LW.Y.0007.000000T0000Z-090212T2200Z/
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...AIKEN...NORTH AUGUSTA...SUMTER...BARNWELL...
WILLISTON...BLACKVILLE...ORANGEBURG...ST. MATTHEWS...MANNING...
SUMMERTON...BAMBERG...DENMARK
406 AM EST THU FEB 12 2009

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...
...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. A LAKE WIND ADVISORY
REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON.

WEST WINDS BETWEEN 15 TO 25 KNOTS CAN BE EXPECTED ON AREA LAKES
TODAY...AS HIGH PRESSURE BUILDS INTO THE REGION. THE STRONGEST
WINDS AND GUSTS SHOULD OCCUR THIS MORNING INTO EARLY
AFTERNOON...THEN BEGIN TO DIMINISH LATE THIS AFTERNOON AS THE
PRESSURE GRADIENT RELAXES.

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.

$$

Nearby

Wind Advisories in South Carolina, 2009Wind Advisories in Georgia, 2009Every wind advisory in 2009

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.