Alert archive / South Carolina / Heat Advisories in 2011
Heat Advisory 16, NWS Columbia, SC
NWS Columbia, SC issued this heat advisory at Aug 4, 2011, 8:37 PM EDT for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Aug 5, 2011, 11:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Aug 4, 2011, 8:37 PM EDT (00:37 UTC)
- In effect from
- Aug 5, 2011, 11:00 AM EDT
- Expired
- Aug 5, 2011, 5:21 PM EDT
- In force
- 6 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 00:40 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, 0.6 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
- 4106 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1214 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.2
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Columbia, SC wrote its last area forecast discussion before this heat advisory went out at Aug 4, 7:57 PM EDT, 40 minutes earlier.
Area forecast discussion, Aug 4, 7:57 PM EDT, 40 minutes before
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</html>Hazardous weather outlook, Aug 4, 3:08 AM EDT, 17 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 308 AM EDT THU AUG 4 2011 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-050715- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 308 AM EDT THU AUG 4 2011 ...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARD. HEAT ADVISORY. A FEW THUNDERSTORMS TODAY AND THIS EVENING COULD POSSIBLY CONTAIN DAMAGING WIND. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. HEAT ADVISORIES MAY BE NEEDED DURING THE AFTERNOONS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Aug 4, 7:42 PM EDT, 55 minutes before
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</html>The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 2:24 PM EDT | Special Weather Statement | CAE | Fairfield | 66 min |
| Aug 5, 2:43 PM EDT | Areal Flood Advisory | CAE | Fairfield, Kershaw, Lancaster | 62 min |
| Aug 5, 3:23 PM EDT | Areal Flood Advisory | CAE | Newberry | 52 min |
| Aug 5, 3:51 PM EDT | Special Weather Statement | CAE | Newberry, Saluda | 54 min |
| Aug 5, 4:41 PM EDT | Special Weather Statement | CAE | Lexington, Richland | 64 min |
| Aug 5, 4:48 PM EDT | Special Weather Statement | CAE | Lee, Sumter | 57 min |
| Aug 5, 4:50 PM EDT | Areal Flood Advisory | CAE | Lexington, Richland | 55 min |
| Aug 5, 5:13 PM EDT | Flash Flood Warning | CAE | Richland | 62 min |
| Aug 5, 5:53 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Orangeburg | 52 min |
| Aug 5, 6:57 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon, Orangeburg | 48 min |
Nearby
Heat Advisories in South Carolina, 2011Heat Advisories in Georgia, 2011Every heat 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.