Alert archive / South Carolina / Lake Wind Advisories in 2012
Lake Wind Advisory 13, NWS Columbia, SC
NWS Columbia, SC issued this lake wind advisory at May 30, 2012, 6:35 AM EDT for Calhoun County, Clarendon County, Sumter County, South Carolina. It took effect at May 30, 2012, 7:00 AM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 30, 2012, 6:35 AM EDT (10:35 UTC)
- In effect from
- May 30, 2012, 7:00 AM EDT
- Expired
- May 30, 2012, 11:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Columbia, SC
Counties Calhoun County, SC, Clarendon County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 65 km from the middle of the area, began a volume at 10:37 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, 10.6 hours before the alert went out and 104 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
- 907 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
204 WWUS72 KCAE 301035 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 635 AM EDT WED MAY 30 2012 ...LAKE WIND ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... SCZ031-036>038-301500- /O.NEW.KCAE.LW.Y.0013.120530T1100Z-120530T1500Z/ SUMTER-ORANGEBURG-CALHOUN-CLARENDON- INCLUDING THE CITIES OF...SUMTER...ORANGEBURG...ST. MATTHEWS... MANNING...SUMMERTON 635 AM EDT WED MAY 30 2012 ...LAKE WIND ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM EDT THIS MORNING. * LOCATIONS...LAKE MARION * HAZARDS...GUSTY WINDS ON AREA LAKES * TIMING...UNTIL 11 AM THIS MORNING * WINDS...NORTH 15 TO 25 KNOTS. * IMPACTS...HAZARDOUS CONDITIONS WILL OCCUR ON AREA LAKES. SMALL BOATS AND PERSONAL WATERCRAFT WILL BE ESPECIALLY PRONE TO CAPSIZING. 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. && $$
1 follow-up statement
151 WWUS72 KCAE 301453 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 1053 AM EDT WED MAY 30 2012 SCZ031-036>038-301600- /O.EXP.KCAE.LW.Y.0013.000000T0000Z-120530T1500Z/ SUMTER-ORANGEBURG-CALHOUN-CLARENDON- INCLUDING THE CITIES OF...SUMTER...ORANGEBURG...ST. MATTHEWS... MANNING...SUMMERTON 1053 AM EDT WED MAY 30 2012 ...LAKE WIND ADVISORY WILL EXPIRE AT 11 AM EDT THIS MORNING... $$
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 10:00 PM EDT | Areal Flood Advisory | CAE | Aiken, Barnwell | 3 hr |
| May 29, 11:47 PM EDT | Special Weather Statement | CAE | Calhoun | 28 min |
| May 30, 12:02 AM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Orangeburg | 43 min |
| May 30, 12:25 AM EDT | Tornado Warning | CAE | Orangeburg | 50 min |
Nearby
Lake Wind Advisories in South Carolina, 2012Every lake 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.