Alert archive / South Carolina / Wind Advisories in 2007

Wind Advisory 2, NWS Columbia, SC

April 16, 200716 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this wind advisory at Apr 16, 2007, 3:41 AM EDT for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Apr 16, 2007, 10:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 2007, 3:41 AM EDT (07:41 UTC)
In effect from
Apr 16, 2007, 10:00 AM EDT
Expired
Apr 16, 2007, 3:34 PM EDT
In force
6 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 07:40 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, 7.7 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 2007-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 joules per kilogram.LCLEL10008507005003002001001 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 2007-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
18 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1128 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
56 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 160741
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
341 AM EDT MON APR 16 2007

...WIND ADVISORY/LAKE WIND ADVISORY...

.LARGE AND STRONG LOW PRESSURE CENTERED NEAR NEW YORK CITY WILL
BRING WINDY CONDITIONS TO THE FORECAST AREA TODAY.

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
162300-
/O.NEW.KCAE.WI.Y.0002.070416T1400Z-070416T2300Z/
/O.EXT.KCAE.LW.Y.0023.000000T0000Z-070416T1400Z/
/O.EXT.KCAE.LW.Y.0023.070416T2300Z-070417T0100Z/
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
341 AM EDT MON APR 16 2007

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT
THIS EVENING...
...LAKE WIND ADVISORY NOW IN EFFECT FROM 7 PM TO 9 PM EDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A WIND ADVISORY...
WHICH IS IN EFFECT FROM 10 AM TO 7 PM TODAY. THE LAKE WIND
ADVISORY REMAINS IN EFFECT EARLY THIS MORNING AND THIS EVENING.

WINDS WILL BE NORTHWEST TO WEST 15 TO 25 MPH EARLY THIS MORNING...
25 TO 35 MPH LATE THIS MORNING AND THIS AFTERNOON...AND 15 TO 25
MPH THIS EVENING. 

MOTORISTS...ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES...
SHOULD EXERCISE CAUTION. BE ALERT FOR SUDDEN GUSTS OF WIND.

BOATS ON AREA LAKES MAY BE PRONE TO CAPSIZING.

A LARGE AND STRONG AREA OF LOW PRESSURE IS RESPONSIBLE FOR THE
WIND. THE LOW WILL BE CENTERED NEAR NEW YORK CITY TODAY. THE LOW
WILL MOVE EASTWARD TONIGHT AND TUESDAY. AS THE LOW MOVES FARTHER
AWAY WINDS WILL DIMINISH. 

$$

JL
2 follow-up statements
000 
WWUS72 KCAE 161407 AAA
NPWCAE

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE COLUMBIA SC
1007 AM EDT MON APR 16 2007

...WIND ADVISORY/LAKE WIND ADVISORY...


GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
162215-
/O.CON.KCAE.WI.Y.0002.000000T0000Z-070416T2300Z/
/O.CON.KCAE.LW.Y.0023.070416T2300Z-070417T0100Z/
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
1007 AM EDT MON APR 16 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 7 PM TO 9 PM EDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. A
LAKE WIND ADVISORY REMAINS IN EFFECT FROM 7 PM TO 9 PM EDT THIS
EVENING.

WINDS WILL BE NORTHWEST TO WEST 15 TO 25 MPH THIS
MORNING...INCREASING TO 25 TO 35 MPH LATE MORNING INTO THIS
AFTERNOON...THEN DECREASING TO 15 TO 25 MPH THIS EVENING.

MOTORISTS...ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES...
SHOULD EXERCISE CAUTION. BE ALERT FOR SUDDEN GUSTS OF WIND.

BOATS ON AREA LAKES MAY BE PRONE TO CAPSIZING.

A LARGE AND STRONG AREA OF LOW PRESSURE IS RESPONSIBLE FOR THE
WIND. THE LOW WILL BE CENTERED NEAR NEW YORK CITY TODAY. THE LOW
WILL MOVE EASTWARD TONIGHT AND TUESDAY. AS THE LOW MOVES FARTHER
AWAY WINDS WILL DIMINISH.

$$
000 
WWUS72 KCAE 161934
NPWCAE

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE COLUMBIA SC
334 PM EDT MON APR 16 2007

...LAKE WIND ADVISORY...

.A STRONG PRESSURE GRADIENT WILL CAUSE HIGHER WINDS TO PERSIST
THROUGH THIS EVENING. 

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
170100-
/O.CAN.KCAE.WI.Y.0002.000000T0000Z-070416T2300Z/
/O.EXT.KCAE.LW.Y.0023.070416T1934Z-070417T0100Z/
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
334 PM EDT MON APR 16 2007

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 9 PM EDT THIS EVENING...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS CANCELLED THE WIND 
ADVISORY. THE LAKE WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM EDT
THIS EVENING.

THE STRONG WINDS 25 TO 35 MPH HAVE DECREASED TO 20 TO 25 MPH. 
THESE WINDS WILL CONTINUE INTO THE EVENING HOURS. 

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

$$

Nearby

Wind Advisories in South Carolina, 2007Wind Advisories in Georgia, 2007Every wind advisory in 2007

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.