Alert archive / South Carolina / Lake Wind Advisories in 2007
Lake Wind Advisory 21, NWS Columbia, SC
NWS Columbia, SC issued this lake wind advisory at Apr 12, 2007, 3:16 AM EDT for 5 counties in Georgia; 16 counties in South Carolina. It took effect at Apr 12, 2007, 11:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2007, 3:16 AM EDT (07:16 UTC)
- In effect from
- Apr 12, 2007, 11:00 AM EDT
- Expired
- Apr 12, 2007, 8:00 PM EDT
- In force
- 9 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 07:17 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, 7.3 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.
- Mixed-layer CAPE
- 289 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS72 KCAE 120716 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 316 AM EDT THU APR 12 2007 ...STRONG AND GUSTY WINDS EXPECTED THIS AFTERNOON ON AREA LAKES... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 121530- /O.NEW.KCAE.LW.Y.0021.070412T1500Z-070413T0000Z/ 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 316 AM EDT THU APR 12 2007 ...LAKE WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... STRONG WINDS WILL DEVELOP LATE THIS MORNING AND THIS AFTERNOON...IN THE WAKE OF A COLD FRONT THAT WILL PUSH THROUGH THE AREA AROUND DAWN. WINDS ON AREA LAKES ARE EXPECTED TO INCREASE OUT OF THE WEST TO 15 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS. THE STRONG WINDS SHOULD BEGIN TO SUBSIDE NEAR SUNSET...AND DIMINISH TO AROUND 5 TO 10 MPH LATE THIS EVENING. A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$ HC
1 follow-up statement
000 WWUS72 KCAE 121828 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 228 PM EDT THU APR 12 2007 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 130000- /O.CON.KCAE.LW.Y.0021.000000T0000Z-070413T0000Z/ LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ... EVANS...AUGUSTA...HEPHZIBAH...WAYNESBORO...LANCASTER...ELGIN... CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO...CAMDEN... LUGOFF...EDGEFIELD...JOHNSTON...SALUDA...RIDGE SPRING... WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK...COLUMBIA... BISHOPVILLE...AIKEN...NORTH AUGUSTA...SUMTER...BARNWELL... WILLISTON...BLACKVILLE...ORANGEBURG...ST. MATTHEWS...MANNING... SUMMERTON...BAMBERG...DENMARK 228 PM EDT THU APR 12 2007 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... WINDS ON AREA LAKES WILL REMAIN OUT OF THE WEST AT 15 TO 25 KNOTS WITH GUSTS TO 30 KNOTS. THE WINDS SHOULD BEGIN TO SUBSIDE NEAR SUNSET...AND DIMINISH TO AROUND 5 TO 10 KNOTS LATER THIS EVENING. A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 12:34 AM EDT | Severe Thunderstorm Warning | CAE | Newberry, Saluda | 26 min |
| Apr 12, 1:00 AM EDT | Severe Thunderstorm Warning | CAE | Newberry | 30 min |
| Apr 12, 1:05 AM EDT | Severe Thunderstorm Warning | CAE | Lancaster | 25 min |
| Apr 12, 2:14 AM EDT | Severe Thunderstorm Warning | CAE | Aiken | 31 min |
| Apr 12, 2:39 AM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Lexington, Orangeburg | 36 min |
Nearby
Lake Wind Advisories in South Carolina, 2007Lake Wind Advisories in Georgia, 2007Every lake 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.