Alert archive / South Carolina / Lake Wind Advisories in 2006

Lake Wind Advisory 15, NWS Columbia, SC

April 3, 200616 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this lake wind advisory at Apr 3, 2006, 3:31 AM EDT for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Apr 3, 2006, 10:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 3, 2006, 3:31 AM EDT (07:31 UTC)
In effect from
Apr 3, 2006, 10:00 AM EDT
Expired
Apr 3, 2006, 10:00 PM EDT
In force
12 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 07:33 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, 7.5 hours before the alert went out and 286 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 2006-04-03Temperature 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°0°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 2006-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
2598 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this lake wind advisory went out at Apr 3, 2:46 AM EDT, 45 minutes earlier.

Area forecast discussion, Apr 3, 2:46 AM EDT, 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
246 AM EDT MON APR 3 2006

.SHORT TERM (TODAY THROUGH TONIGHT)...

THERE IS CURRENTLY A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE
ENTIRE COUNTY WARNING AREA TODAY. A MODERATE RISK EXISTS JUST OFF
TO THE NORTHEAST OF THE FORECAST AREA.

SHAPING UP TO BE A RATHER INTERESTING DAY ACROSS THE FORECAST
AREA. CURRENTLY...WARM FRONT MOVING NORTHWARD ACROSS SOUTH
CAROLINA. DEWPOINTS NEAR AUGUSTA NEAR 60...WITH DEWPOINTS ACROSS
CHARLOTTE IN THE UPPER 40S. WARM FRONT SHOULD BE NORTH OF THE
STATE LATER THIS MORNING. THATS WHEN THINGS BEGIN TO GET
INTERESTING. ALOFT...NEGATIVELY TILTED TROUGH WILL BE SWINGING
ACROSS DURING THE LATE AFTERNOON. STRONG UPPER LEVEL JET COUPLET
WILL ALSO BE MOVING THROUGH...WITH ONE JET LIFTING UP THE EAST
COAST...AND A SECOND STRONGER JET DIVING SOUTH ACROSS TENNESSEE.
GOOD UPPER LEVEL DIVERGENCE WILL BE IN PLACE. AT MID
LEVELS...STRONG DISTURBANCE AT 500 MB WILL BE ROTATING THROUGH.

CLOSER TO THE SURFACE...STRONG 850 JET OUT OF THE SOUTHWEST OF 40
KNOTS WILL BE MOVING THROUGH. COUPLED WITH SOUTHWESTERLY SURFACE
WINDS...THESE SHOULD HELP TO ADVECT SOME LOW AND MID LEVEL GULF
MOISTURE INTO THE REGION IN ADVANCE OF THE FRONT.

STRONG COLD FRONT POISED TO BE MOVING OVER THE MOUNTAINS AND APPROACHING
THE REGION THIS AFTERNOON. CONVECTION SHOULD BE ONGOING IN ADVANCE
OF THIS FRONT AS IT MOVES ACROSS THE APPALACHIANS. MORNING SEVERE
WEATHER PARAMETER ANALYSIS IS SHOWING PLENTY OF INSTABILITY AND
SHEAR DURING THE AFTERNOON HOURS. LIMITING FACTOR MAY BE THE
AMOUNT OF LOW LEVEL MOISTURE AVAILABLE. THIS SHOULD MEAN LESS
COVERAGE. HOWEVER...ANY STORMS THAT DO GET ORGANIZED WILL MORE
THAN LIKELY BECOME SEVERE DURING THE AFTERNOON...WITH STRONG
WINDS...HAIL...AND POSSIBLY EVEN AN ISOLATED TORNADO NOT BEING OUT
OF THE QUESTION.

ALSO AT THE SURFACE...EXPECT WINDS TO INCREASE IN ADVANCE OF THE
COLD FRONT THIS MORNING AND THIS AFTERNOON. WINDS SHOULD ALSO
REMAIN STRONG SHORTLY AFTER THE FRONTAL PASSAGE LATE THIS
AFTERNOON. WITH SUSTAINED WINDS OF 20 KNOTS...AND GUSTS TO 30
BEING POSSIBLE...A LAKE WIND ADVISORY WILL BE ISSUED FOR ALL AREA
LAKES FROM 10 AM THIS MORNING UNTIL 10 PM TONIGHT.

&&

.LONG TERM (TUESDAY THROUGH SUNDAY)...

FRONT IS EAST OF THE REGION BY TUESDAY...WITH DRY WEATHER EXPECTED
FOR THE REMAINDER OF THE WEEK. NEXT CHANCE FOR PRECIP SHOULD NOT
OCCUR UNTIL THE WEEKEND ROLLS AROUND. NO CHANGES WERE MADE TO THE
EXTENDED FORECAST.

&&

.AVIATION...

SOME MID TO UPPER LEVEL CLOUDINESS STREAMING OVER THE REGION
CURRENTLY. LOW LEVEL WINDS ARE EXPECTED TO PICK UP THIS
MORNING...AND SHOULD PREVENT ANY FOG PROBLEMS. A FEW SHOWERS OR
THUNDERSTORMS WILL BE POSSIBLE MAINLY JUST NORTH OF OUR FORECAST
AREA THIS MORNING. EXPECT BREEZY CONDITIONS TODAY. SIGNIFICANT
INSTABILITY EXPECTED IN DAYTIME HEATING WITH STRONG UPPER LEVEL
DISTURBANCE AND COLD FRONT COMING IN LATE THIS AFTERNOON. LIMITED
MOISTURE WILL LIMIT AREAL COVERAGE...BUT WHAT DOES DEVELOP COULD BE
SEVERE.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
SC...LAKE WIND ADVISORY ALL ZONES 10 AM UNTIL 10 PM.
GA...LAKE WIND ADVISORY ALL ZONES 10 AM UNTIL 10 PM.

&&

73/73/31
Hazardous weather outlook, Apr 2, 5:05 AM EDT, 22 hours 26 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:29 AM EDTSevere Thunderstorm WarningCAELancaster16 min
Apr 3, 3:59 PM EDTSevere Thunderstorm WarningCAENewberry61 min
Apr 3, 3:59 PM EDTSevere Thunderstorm WarningCAENewberry61 min
Apr 3, 4:25 PM EDTSevere Thunderstorm WarningCAEFairfield65 min
Apr 3, 4:42 PM EDTSevere Thunderstorm WarningCAENewberry, Saluda51 min
Apr 3, 4:56 PM EDTSevere Thunderstorm WarningCAERichland49 min
Apr 3, 5:02 PM EDTSevere Thunderstorm WarningCAEKershaw, Lancaster58 min
Apr 3, 5:06 PM EDTSevere Thunderstorm WarningCAESumter54 min
Apr 3, 5:31 PM EDTSevere Thunderstorm WarningCAELee, Sumter59 min
Apr 3, 6:24 PM EDTSevere Thunderstorm WarningCAEClarendon, Sumter52 min
Apr 3, 6:29 PM EDTSevere Thunderstorm WarningCAESumter46 min
Apr 3, 7:22 PM EDTSevere Thunderstorm WarningCAEBarnwell23 min
Apr 3, 7:38 PM EDTSevere Thunderstorm WarningCAEBamberg33 min
Apr 3, 7:51 PM EDTSevere Thunderstorm WarningCAEClarendon39 min
Apr 3, 5:52 PM EDTSevere Thunderstorm WarningCAEMcDuffie38 min
Apr 3, 6:12 PM EDTSevere Thunderstorm WarningCAEColumbia48 min
Apr 3, 6:32 PM EDTSevere Thunderstorm WarningCAERichmond43 min

Nearby

Lake Wind Advisories in South Carolina, 2006Lake Wind Advisories in Georgia, 2006Every lake wind advisory in 2006

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.