Alert archive / South Carolina / Frost Advisories in 2011
Frost Advisory 1, NWS Columbia, SC
NWS Columbia, SC issued this frost advisory at Apr 5, 2011, 3:11 PM EDT for Columbia County, Lincoln County, McDuffie County, Georgia; 8 counties in South Carolina. It took effect at Apr 6, 2011, 5:00 AM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 5, 2011, 3:11 PM EDT (19:11 UTC)
- In effect from
- Apr 6, 2011, 5:00 AM EDT
- Expired
- Apr 6, 2011, 9:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Columbia, SC
Counties Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Chesterfield County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lee County, SC, McCormick County, SC, Newberry County, SC, Saluda County, SC
The radar
The Columbia radar (KCAE), 40 km from the middle of the area, began a volume at 19:12 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 12:00Z, 7.2 hours before the alert went out and 190 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
- 225 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -76 m²/s²
- 0-3 km storm-relative helicity
- -114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.0
The text
As transmitted, in the capitals the NWS used until 2016.
465 WWUS72 KCAE 051911 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 311 PM EDT TUE APR 5 2011 GAZ040-063-064-SCZ015-016-018-020-021-025-026-060315- /O.NEW.KCAE.FR.Y.0001.110406T0900Z-110406T1300Z/ /O.CON.KCAE.LW.Y.0016.000000T0000Z-110405T2300Z/ LINCOLN-MCDUFFIE-COLUMBIA-LANCASTER-CHESTERFIELD-MCCORMICK- NEWBERRY-FAIRFIELD-EDGEFIELD-SALUDA- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ... EVANS...LANCASTER...ELGIN...CHERAW...PAGELAND...MCCORMICK... NEWBERRY...WINNSBORO...EDGEFIELD...JOHNSTON...SALUDA... RIDGE SPRING 311 PM EDT TUE APR 5 2011 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...FROST ADVISORY IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY. * TIMING...5 AM TO 9 AM WEDNESDAY. * TEMPERATURES...LOWS MAINLY IN THE MIDDLE 30S WITH AREAS OF FROST. * IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. YOU MAY WANT TO PROTECT PLANTS SENSITIVE TO FROST. A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. * TIMING...THROUGH 7 PM TODAY. * WINDS...NORTHWEST WINDS AROUND 20 KNOTS WITH GUSTS NEAR 30 KNOTS. * IMPACTS...WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES...CREATING HAZARDOUS CONDITIONS FOR SMALL CRAFT. 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. && $$ GAZ065-077-SCZ022-027>031-035>038-041-052300- /O.CON.KCAE.LW.Y.0016.000000T0000Z-110405T2300Z/ RICHMOND-BURKE-KERSHAW-LEXINGTON-RICHLAND-LEE-AIKEN-SUMTER- BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-BAMBERG- INCLUDING THE CITIES OF...HEPHZIBAH...WAYNESBORO...CAMDEN... LUGOFF...WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK... COLUMBIA...BISHOPVILLE...AIKEN...NORTH AUGUSTA...SUMTER... BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG...ST. MATTHEWS... MANNING...SUMMERTON...BAMBERG...DENMARK 311 PM EDT TUE APR 5 2011 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. * TIMING...THROUGH 7 PM TODAY. * WINDS...NORTHWEST WINDS AROUND 20 KNOTS WITH GUSTS NEAR 30 KNOTS. * IMPACTS...WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES...CREATING HAZARDOUS CONDITIONS FOR SMALL CRAFT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS AND PERSONAL WATERCRAFT WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$
4 follow-up statements
261 WWUS72 KCAE 052243 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 643 PM EDT TUE APR 5 2011 GAZ040-063-064-SCZ015-016-018-020-021-025-026-061000- /O.CAN.KCAE.LW.Y.0016.000000T0000Z-110405T2300Z/ /O.CON.KCAE.FR.Y.0001.110406T0900Z-110406T1300Z/ LINCOLN-MCDUFFIE-COLUMBIA-LANCASTER-CHESTERFIELD-MCCORMICK- NEWBERRY-FAIRFIELD-EDGEFIELD-SALUDA- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...MARTINEZ... EVANS...LANCASTER...ELGIN...CHERAW...PAGELAND...MCCORMICK... NEWBERRY...WINNSBORO...EDGEFIELD...JOHNSTON...SALUDA... RIDGE SPRING 643 PM EDT TUE APR 5 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY... ...LAKE WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS CANCELLED THE LAKE WIND ADVISORY. A FROST ADVISORY REMAINS IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY. * TIMING...5 AM TO 9 AM WEDNESDAY. * TEMPERATURES...LOWS MAINLY IN THE MIDDLE 30S WITH AREAS OF FROST. * IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. YOU MAY WANT TO PROTECT PLANTS SENSITIVE TO FROST. && $$ GAZ065-077-SCZ022-027>031-035>038-041-052345- /O.CAN.KCAE.LW.Y.0016.000000T0000Z-110405T2300Z/ RICHMOND-BURKE-KERSHAW-LEXINGTON-RICHLAND-LEE-AIKEN-SUMTER- BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-BAMBERG- INCLUDING THE CITIES OF...HEPHZIBAH...WAYNESBORO...CAMDEN... LUGOFF...WEST COLUMBIA...CAYCE...LEXINGTON...RED BANK... COLUMBIA...BISHOPVILLE...AIKEN...NORTH AUGUSTA...SUMTER... BARNWELL...WILLISTON...BLACKVILLE...ORANGEBURG...ST. MATTHEWS... MANNING...SUMMERTON...BAMBERG...DENMARK 643 PM EDT TUE APR 5 2011 ...LAKE WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS CANCELLED THE LAKE WIND ADVISORY. $$
981 WWUS72 KCAE 060159 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 959 PM EDT TUE APR 5 2011 SCZ022-029-061000- /O.EXA.KCAE.FR.Y.0001.110406T0900Z-110406T1300Z/ KERSHAW-LEE- INCLUDING THE CITIES OF...CAMDEN...LUGOFF 959 PM EDT TUE APR 5 2011 ...FROST ADVISORY IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY. * TIMING...5 AM TO 9 AM WEDNESDAY. * TEMPERATURES...LOWS MAINLY IN THE MIDDLE 30S WITH AREAS OF FROST. * IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ GAZ040-063-064-SCZ015-016-018-020-021-025-026-061000- /O.CON.KCAE.FR.Y.0001.110406T0900Z-110406T1300Z/ LINCOLN-MCDUFFIE-COLUMBIA-LANCASTER-CHESTERFIELD-MCCORMICK- NEWBERRY-FAIRFIELD-EDGEFIELD-SALUDA- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...LANCASTER... ELGIN...CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO... EDGEFIELD...JOHNSTON...SALUDA 959 PM EDT TUE APR 5 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 5 AM TO 9 AM EDT WEDNESDAY. * TIMING...5 AM TO 9 AM WEDNESDAY. * TEMPERATURES...LOWS MAINLY IN THE MIDDLE 30S WITH AREAS OF FROST. * IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. YOU MAY WANT TO PROTECT PLANTS SENSITIVE TO FROST. && $$
401 WWUS72 KCAE 060756 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 356 AM EDT WED APR 6 2011 GAZ040-063-064-SCZ015-016-018-020>022-025-026-029-061300- /O.CON.KCAE.FR.Y.0001.110406T0900Z-110406T1300Z/ LINCOLN-MCDUFFIE-COLUMBIA-LANCASTER-CHESTERFIELD-MCCORMICK- NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEE- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...LANCASTER... ELGIN...CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO... CAMDEN...LUGOFF...EDGEFIELD...JOHNSTON...SALUDA 356 AM EDT WED APR 6 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING. * TIMING...5 AM TO 9 AM WEDNESDAY. * TEMPERATURES...LOWS MAINLY IN THE MIDDLE 30S WITH AREAS OF FROST. * IMPACTS...SENSITIVE OUTDOOR PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. YOU MAY WANT TO PROTECT PLANTS SENSITIVE TO FROST. && $$
741 WWUS72 KCAE 061328 NPWCAE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE COLUMBIA SC 928 AM EDT WED APR 6 2011 GAZ040-063-064-SCZ015-016-018-020>022-025-026-029-061430- /O.EXP.KCAE.FR.Y.0001.000000T0000Z-110406T1300Z/ LINCOLN-MCDUFFIE-COLUMBIA-LANCASTER-CHESTERFIELD-MCCORMICK- NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEE- INCLUDING THE CITIES OF...LINCOLNTON...THOMSON...LANCASTER... ELGIN...CHERAW...PAGELAND...MCCORMICK...NEWBERRY...WINNSBORO... CAMDEN...LUGOFF...EDGEFIELD...JOHNSTON...SALUDA 928 AM EDT WED APR 6 2011 ...FROST ADVISORY HAS EXPIRED... THE FROST ADVISORY IS NO LONGER IN EFFECT. $$
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 1:21 AM EDT | Severe Thunderstorm Warning | CAE | Columbia, Lincoln, McDuffie | 54 min |
| Apr 5, 2:21 AM EDT | Severe Thunderstorm Warning | CAE | Burke, Columbia, Lincoln, McDuffie, Richmond | 54 min |
| Apr 5, 3:14 AM EDT | Severe Thunderstorm Warning | CAE | Burke, Richmond | 61 min |
| Apr 5, 4:00 AM EDT | Severe Thunderstorm Warning | CAE | Burke | 60 min |
| Apr 5, 1:55 AM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lancaster | 50 min |
| Apr 5, 4:57 AM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Calhoun, Clarendon, Lee, Orangeburg, Richland and 1 more | 63 min |
Nearby
Frost Advisories in South Carolina, 2011Frost Advisories in Georgia, 2011Every frost advisory in 2011
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.