Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 199, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jul 31, 2010, 1:42 PM EDT for Aiken County, Lexington County, Saluda County, South Carolina. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 31, 2010, 1:42 PM EDT (17:42 UTC)
- Expired
- Jul 31, 2010, 2:33 PM EDT
- In force
- 51 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
Counties Aiken County, SC, Lexington County, SC, Saluda County, SC
The radar
The Columbia radar (KCAE), 42 km from the middle of the area, began a volume at 17:43 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 31, 1:31 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 5.7 hours before the alert went out and 176 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
- 1232 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 31, 1:42 PM EDT, 0 minutes earlier.
Area forecast discussion, Jul 31, 1:42 PM EDT, 0 minutes before
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</html>Hazardous weather outlook, Jul 31, 4:19 AM EDT, 9 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 419 AM EDT SAT JUL 31 2010 GAZ040-063-064-SCZ015-016-018-020>022-025>029-031-036>038-010830- LINCOLN-MCDUFFIE-COLUMBIA-LANCASTER-CHESTERFIELD-MCCORMICK-NEWBERRY- FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-RICHLAND-LEE-SUMTER- ORANGEBURG-CALHOUN-CLARENDON- 419 AM EDT SAT JUL 31 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. THUNDERSTORMS THIS AFTERNOON AND EVENING COULD POSSIBLY CONTAIN DAMAGING WINDS. HEAVY RAINFALL WITH SOME OF THE THUNDERSTORMS COULD LEAD TO LOCALIZED FLOODING THIS AFTERNOON AND TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. GAZ065-077-SCZ030-035-041-010830- RICHMOND-BURKE-AIKEN-BARNWELL-BAMBERG- 419 AM EDT SAT JUL 31 2010 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING 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. ALSO...THUNDERSTORMS THIS AFTERNOON AND EVENING COULD POSSIBLY CONTAIN DAMAGING WINDS. HEAVY RAINFALL WITH SOME OF THE THUNDERSTORMS COULD LEAD TO LOCALIZED FLOODING THIS AFTERNOON AND TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WIDESPREAD SEVERE WEATHER IS NOT EXPECTED AT THIS TIME. THEREFORE...SPOTTER ACTIVATION SHOULD NOT BE REQUIRED.
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 4:04 AM EDT | Heat Advisory | CAE | Aiken, Bamberg, Barnwell | 15 hr |
| Jul 31, 3:07 PM EDT | Severe Thunderstorm Warning | CAE | Aiken | 38 min |
| Jul 31, 3:45 PM EDT | Tornado Warning | CAE | Aiken | 30 min |
| Jul 31, 4:15 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Bamberg, Barnwell, Orangeburg | 45 min |
| Jul 31, 4:36 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Barnwell | 39 min |
| Jul 31, 4:39 PM EDT | Flash Flood Warning | CAE | Aiken | 66 min |
| Jul 31, 4:56 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Barnwell | 79 min |
| Jul 31, 6:36 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Richland, Sumter | 39 min |
| Jul 31, 7:16 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Orangeburg | 59 min |
| Jul 31, 3:14 PM EDT | Severe Thunderstorm Warning | CAE | Burke | 46 min |
| Jul 31, 4:32 PM EDT | Areal Flood Advisory | CAE | Richmond | 118 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2010Every severe thunderstorm warning in 2010
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.