Alert archive / South Carolina / Flood Watches in 2012
Flood Watch 1, NWS Columbia, SC
NWS Columbia, SC issued this flood watch at Jun 11, 2012, 12:39 PM EDT for 5 counties in Georgia; 16 counties in South Carolina. It was in force for 39 hr.
The area
The counties it named.
The facts
- Issued
- Jun 11, 2012, 12:39 PM EDT (16:39 UTC)
- Expired
- Jun 13, 2012, 3:26 AM EDT
- In force
- 39 hr
- Issued by
- NWS Columbia, SC
- Flood severity
- None
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 16:42 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, 4.7 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
- 389 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
020 WGUS62 KCAE 111639 FFACAE URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE COLUMBIA SC 1239 PM EDT MON JUN 11 2012 ...FLOOD WATCH... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 120000- /O.NEW.KCAE.FA.A.0001.120611T1639Z-120613T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 1239 PM EDT MON JUN 11 2012 ...FLOOD WATCH IN EFFECT THROUGH WEDNESDAY MORNING... THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL GEORGIA...BURKE...COLUMBIA...LINCOLN...MCDUFFIE AND RICHMOND. IN CENTRAL SOUTH CAROLINA...AIKEN...BAMBERG... BARNWELL...CALHOUN...CHESTERFIELD...CLARENDON...EDGEFIELD... FAIRFIELD...KERSHAW...LANCASTER...LEE...LEXINGTON... MCCORMICK...NEWBERRY...ORANGEBURG...RICHLAND...SALUDA AND SUMTER. * THROUGH WEDNESDAY MORNING * A VERY MOIST AIRMASS WILL REMAIN OVER THE REGION INTO WEDNESDAY. MUCH OF THE AREA HAS RECEIVED BETWEEN 2 AND 5 INCHES OF RAINFALL THE PAST FEW DAYS. ADDITIONAL HEAVY RAINFALL WILL BE POSSIBLE TONIGHT THROUGH WEDNESDAY MORNING. FLOODING WILL BE POSSIBLE ACROSS THE AREA...ESPECIALLY IN URBAN AREAS. * FLOODING OF AREA ROADS AND LOW LYING AREAS...ALONG WITH SMALL STREAMS AND CREAKS...WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
4 follow-up statements
837 WGUS62 KCAE 120021 FFACAE FLOOD WATCH NATIONAL WEATHER SERVICE COLUMBIA SC 821 PM EDT MON JUN 11 2012 ...FLOOD WATCH... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 121300- /O.CON.KCAE.FA.A.0001.000000T0000Z-120613T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 821 PM EDT MON JUN 11 2012 ...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA... INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL GEORGIA... BURKE...COLUMBIA...LINCOLN...MCDUFFIE AND RICHMOND. IN CENTRAL SOUTH CAROLINA...AIKEN...BAMBERG...BARNWELL...CALHOUN... CHESTERFIELD...CLARENDON...EDGEFIELD...FAIRFIELD...KERSHAW... LANCASTER...LEE...LEXINGTON...MCCORMICK...NEWBERRY... ORANGEBURG...RICHLAND...SALUDA AND SUMTER. * THROUGH WEDNESDAY MORNING * A VERY MOIST AIRMASS WILL REMAIN OVER THE REGION INTO WEDNESDAY. MUCH OF THE AREA HAS RECEIVED BETWEEN 2 AND 5 INCHES OF RAINFALL THE PAST FEW DAYS. ADDITIONAL HEAVY RAINFALL WILL BE POSSIBLE TONIGHT THROUGH WEDNESDAY MORNING. FLOODING WILL BE POSSIBLE ACROSS THE AREA...ESPECIALLY IN URBAN AREAS. * FLOODING OF AREA ROADS AND LOW LYING AREAS...ALONG WITH SMALL STREAMS AND CREAKS...WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
745 WGUS62 KCAE 120834 FFACAE FLOOD WATCH NATIONAL WEATHER SERVICE COLUMBIA SC 434 AM EDT TUE JUN 12 2012 ...FLOOD WATCH... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 130200- /O.CON.KCAE.FA.A.0001.000000T0000Z-120613T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 434 AM EDT TUE JUN 12 2012 ...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA... INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL GEORGIA... BURKE...COLUMBIA...LINCOLN...MCDUFFIE AND RICHMOND. IN CENTRAL SOUTH CAROLINA...AIKEN...BAMBERG...BARNWELL...CALHOUN... CHESTERFIELD...CLARENDON...EDGEFIELD...FAIRFIELD...KERSHAW... LANCASTER...LEE...LEXINGTON...MCCORMICK...NEWBERRY... ORANGEBURG...RICHLAND...SALUDA AND SUMTER. * THROUGH WEDNESDAY MORNING * A VERY MOIST AIRMASS WILL REMAIN OVER THE REGION INTO WEDNESDAY. MUCH OF THE AREA HAS RECEIVED BETWEEN 2 AND 5 INCHES OF RAINFALL THE PAST FEW DAYS. ADDITIONAL HEAVY RAINFALL WILL BE POSSIBLE TODAY THROUGH WEDNESDAY MORNING. FLOODING WILL BE POSSIBLE ACROSS THE AREA...ESPECIALLY IN URBAN AREAS. * FLOODING OF AREA ROADS AND LOW LYING AREAS...ALONG WITH SMALL STREAMS AND CREAKS...WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
283 WGUS62 KCAE 121357 FFACAE FLOOD WATCH NATIONAL WEATHER SERVICE COLUMBIA SC 957 AM EDT TUE JUN 12 2012 ...FLOOD WATCH... GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 130000- /O.CON.KCAE.FA.A.0001.000000T0000Z-120613T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 957 AM EDT TUE JUN 12 2012 ...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA... INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL GEORGIA... BURKE...COLUMBIA...LINCOLN...MCDUFFIE AND RICHMOND. IN CENTRAL SOUTH CAROLINA...AIKEN...BAMBERG...BARNWELL...CALHOUN... CHESTERFIELD...CLARENDON...EDGEFIELD...FAIRFIELD...KERSHAW... LANCASTER...LEE...LEXINGTON...MCCORMICK...NEWBERRY... ORANGEBURG...RICHLAND...SALUDA AND SUMTER. * THROUGH WEDNESDAY MORNING * A VERY MOIST AIRMASS REMAINS OVER THE REGION INTO WEDNESDAY. MUCH OF THE AREA HAS RECEIVED BETWEEN 2 AND 5 INCHES OF RAINFALL THE PAST FEW DAYS. SHOWERS AND THUNDERSTORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO PRODUCE ADDITIONAL HEAVY RAINFALL THROUGH WEDNESDAY MORNING. FLOODING WILL BE POSSIBLE ACROSS THE AREA...ESPECIALLY IN URBAN AREAS. * FLOODING OF AREA ROADS AND LOW LYING AREAS...ALONG WITH SMALL STREAMS AND CREAKS...WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
388 WGUS62 KCAE 130726 FFACAE FLOOD WATCH NATIONAL WEATHER SERVICE COLUMBIA SC 326 AM EDT WED JUN 13 2012 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041- 130830- /O.CAN.KCAE.FA.A.0001.000000T0000Z-120613T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 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 326 AM EDT WED JUN 13 2012 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR PORTIONS OF EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 11:57 AM EDT | Areal Flood Advisory | CAE | Burke, Richmond | 108 min |
| Jun 11, 2:31 PM EDT | Special Weather Statement | CAE | Burke | 44 min |
| Jun 10, 9:30 PM EDT | Severe Thunderstorm Warning | CAE | Newberry | 45 min |
| Jun 10, 9:34 PM EDT | Tornado Warning | CAE | Newberry | 26 min |
| Jun 10, 9:57 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield | 78 min |
| Jun 11, 12:10 PM EDT | Areal Flood Advisory | CAE | Lexington, Richland | 65 min |
| Jun 11, 12:32 PM EDT | Flash Flood Warning | CAE | Richland | 50 min |
| Jun 11, 12:39 PM EDT | Areal Flood Advisory | CAE | Aiken, Bamberg, Barnwell, Calhoun, Clarendon, Fairfield and 7 more | 111 min |
| Jun 11, 1:09 PM EDT | Tornado Warning | CAE | Calhoun, Orangeburg | 36 min |
| Jun 11, 1:59 PM EDT | Areal Flood Advisory | CAE | Chesterfield, Kershaw, Lancaster | 2 hr |
| Jun 11, 2:53 PM EDT | Areal Flood Advisory | CAE | Bamberg, Clarendon, Lee, Orangeburg, Sumter | 112 min |
Nearby
Flood Watches in South Carolina, 2012Flood Watches in Georgia, 2012Every flood watch 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.