Alert archive / South Carolina / Wind Advisories in 2012
Wind Advisory 1, NWS Columbia, SC
NWS Columbia, SC issued this wind advisory at Dec 20, 2012, 11:20 PM EST for 16 counties in South Carolina; 5 counties in Georgia. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Dec 20, 2012, 11:20 PM EST (04:20 UTC)
- Expired
- Dec 21, 2012, 7:23 PM EST
- In force
- 20 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 04:23 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, 4.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 470 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
260 WWUS72 KCAE 210420 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 1120 PM EST THU DEC 20 2012 ...WIND ADVISORY... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 211700- /O.CAN.KCAE.LW.Y.0018.000000T0000Z-121222T0100Z/ /O.NEW.KCAE.WI.Y.0001.121221T0420Z-121221T1700Z/ /O.NEW.KCAE.LW.Y.0019.121221T1700Z-121222T0100Z/ 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...SAVANNAH RIVER SITE...AIKEN...NORTH AUGUSTA... SUMTER...BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG... ST. MATTHEWS...MANNING...SUMMERTON...BAMBERG...DENMARK 1120 PM EST THU DEC 20 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON EST FRIDAY... ...LAKE WIND ADVISORY IN EFFECT FROM NOON TO 8 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST FRIDAY. A LAKE WIND ADVISORY HAS ALSO BEEN ISSUED. THIS LAKE WIND ADVISORY IS IN EFFECT FROM NOON TO 8 PM EST FRIDAY. * TIMING...THROUGH FRIDAY EVENING. * WINDS...WEST AT 25 TO 35 MPH...WITH GUSTS TO AROUND 50 MPH THROUGH THE MORNING. WIND GUSTS ARE EXPECTED TO DIMINISH LATER TODAY WITH GUSTS TO AROUND 35 MPH THROUGH THE AFTERNOON. * IMPACTS...A FEW TREES AND POWER LINES COULD BE KNOCKED DOWN BY THE WINDS...RESULTING IN ISOLATED POWER OUTAGES. LOOSE OBJECTS WILL BE BLOWN ABOUT. STRONG WINDS WILL MAKE TRAVEL HAZARDOUS...ESPECIALLY ON ELEVATED SURFACES SUCH AS BRIDGES AND OVERPASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED WITH GUSTS TO AROUND 50 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. A FEW TREES MAY BE KNOCKED DOWN BY THESE WINDS. 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. && $$
3 follow-up statements
089 WWUS72 KCAE 210858 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 358 AM EST FRI DEC 21 2012 ...WIND ADVISORY... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 211800- /O.CAN.KCAE.LW.Y.0019.121221T1700Z-121222T0100Z/ /O.EXT.KCAE.WI.Y.0001.000000T0000Z-121222T0100Z/ LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ... EVANS...AUGUSTA...HEPHZIBAH...WAYNESBORO...LANCASTER...ELGIN... CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO...CAMDEN... LUGOFF...EDGEFIELD...JOHNSTON...SALUDA...RIDGE SPRING... WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK...COLUMBIA... BISHOPVILLE...SAVANNAH RIVER SITE...AIKEN...NORTH AUGUSTA... SUMTER...BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG... ST. MATTHEWS...MANNING...SUMMERTON...BAMBERG...DENMARK 358 AM EST FRI DEC 21 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM EST THIS EVENING... ...LAKE WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS CANCELLED THE LAKE WIND ADVISORY. * TIMING...THROUGH FRIDAY EVENING. * WINDS...WEST AT 25 TO 35 MPH...WITH GUSTS TO AROUND 45 MPH ARE EXPECTED AT TIMES THROUGH THE AFTERNOON. * IMPACTS...A FEW TREES AND POWER LINES COULD BE KNOCKED DOWN BY THE WINDS...RESULTING IN ISOLATED POWER OUTAGES. LOOSE OBJECTS WILL BE BLOWN ABOUT. STRONG WINDS WILL MAKE TRAVEL HAZARDOUS... ESPECIALLY ON ELEVATED SURFACES SUCH AS BRIDGES AND OVERPASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED WITH STRONGER GUSTS. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. A FEW TREES MAY BE KNOCKED DOWN BY THESE WINDS. && $$
223 WWUS72 KCAE 211902 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 202 PM EST FRI DEC 21 2012 ...WIND ADVISORY... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 220100- /O.CON.KCAE.WI.Y.0001.000000T0000Z-121222T0100Z/ 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...SAVANNAH RIVER SITE...AIKEN...NORTH AUGUSTA... SUMTER...BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG... ST. MATTHEWS...MANNING...SUMMERTON...BAMBERG...DENMARK 202 PM EST FRI DEC 21 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EST THIS EVENING... * TIMING...THROUGH FRIDAY EVENING. * WINDS...WEST AT 25 TO 35 MPH...WITH GUSTS TO AROUND 45 MPH ARE EXPECTED AT TIMES THROUGH THE AFTERNOON. * IMPACTS...A FEW TREES AND POWER LINES COULD BE KNOCKED DOWN BY THE WINDS...RESULTING IN ISOLATED POWER OUTAGES. LOOSE OBJECTS WILL BE BLOWN ABOUT. STRONG WINDS WILL MAKE TRAVEL HAZARDOUS... ESPECIALLY ON ELEVATED SURFACES SUCH AS BRIDGES AND OVERPASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED WITH STRONGER GUSTS. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. A FEW TREES MAY BE KNOCKED DOWN BY THESE WINDS. && $$
623 WWUS72 KCAE 220023 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 723 PM EST FRI DEC 21 2012 ...LAKE WIND ADVISORY IS NOW IN EFFECT UNTIL 5 AM EST SATURDAY... ...THE WIND ADVISORY HAS BEEN CANCELLED... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 220830- /O.CAN.KCAE.WI.Y.0001.000000T0000Z-121222T0100Z/ /O.NEW.KCAE.LW.Y.0020.121222T0023Z-121222T1000Z/ LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ... EVANS...AUGUSTA...HEPHZIBAH...WAYNESBORO...LANCASTER...ELGIN... CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO...CAMDEN... LUGOFF...EDGEFIELD...JOHNSTON...SALUDA...RIDGE SPRING... WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK...COLUMBIA... BISHOPVILLE...SAVANNAH RIVER SITE...AIKEN...NORTH AUGUSTA... SUMTER...BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG... ST. MATTHEWS...MANNING...SUMMERTON...BAMBERG...DENMARK 723 PM EST FRI DEC 21 2012 ...LAKE WIND ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY... ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM EST SATURDAY. THE WIND ADVISORY HAS BEEN CANCELLED. * TIMING...THROUGH SATURDAY MORNING. * WINDS...WEST AT 15 TO 25 MPH...WITH GUSTS TO AROUND 30 MPH ARE EXPECTED AT TIMES THROUGH THE OVERNIGHT HOURS. * IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS CONDITIONS ON AREA LAKES. ROUGH CHOP MAY BE ENCOUNTERED ON AREA LAKES. * PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS AND PERSONAL WATERCRAFT WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 11:20 PM EST | Lake Wind Advisory | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more | 5 hr |
Nearby
Wind Advisories in South Carolina, 2012Wind Advisories in Georgia, 2012Every 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.