Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 237, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Aug 7, 2008, 4:29 PM EDT for Kershaw County, South Carolina. It was in force for 46 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
- Aug 7, 2008, 4:29 PM EDT (20:29 UTC)
- Expired
- Aug 7, 2008, 5:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
County Kershaw County, SC
The radar
The Columbia radar (KCAE), 65 km from the middle of the area, began a volume at 20:30 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 |
|---|---|---|---|
| Aug 7, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.5 hours before the alert went out and 169 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
- 1395 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 1404 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 7, 2:43 PM EDT, 1 hour 46 minutes earlier.
Area forecast discussion, Aug 7, 2:43 PM EDT, 1 hour 46 minutes before
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</html>Hazardous weather outlook, Aug 7, 3:24 PM EDT, 1 hour 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 324 PM EDT THU AUG 7 2008 GAZ040-063>065-SCZ015-016-018-020>022-025>030-081930- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-LANCASTER-CHESTERFIELD-MCCORMICK- NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-RICHLAND-LEE- AIKEN- 324 PM EDT THU AUG 7 2008 ...SEVERE THUNDERSTORM WATCH 814 IN EFFECT UNTIL 10 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION HAS OCCURRED. GAZ077-SCZ031-035>038-041-081930- BURKE-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-BAMBERG- 324 PM EDT THU AUG 7 2008 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 814 IN EFFECT UNTIL 10 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HEAT ADVISORY. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION HAS OCCURRED.
In the hours before
Local storm report, Aug 7, 2:45 PM EDT, 1 hour 44 minutes before
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</html>Local storm report, Aug 7, 3:15 PM EDT, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
315 PM EDT THU AUG 07 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0305 PM TSTM WND DMG KERSHAW 34.55N 80.59W
08/07/2008 LANCASTER SC LAW ENFORCEMENT
TWO TREES DOWN IN THE TOWN OF KERSHAW. REPORTED BY
LANCASTER SHERIFFS OFFICE.
&&
DCMLocal storm report, Aug 7, 3:42 PM EDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
342 PM EDT THU AUG 07 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0326 PM TSTM WND DMG 3 SE BLACKSTOCK 34.53N 81.12W
08/07/2008 FAIRFIELD SC UTILITY COMPANY
TREES AND POWER LINES DOWN ABOUT 3 MILES SE OF
BLACKSTOCK. TIME ESTIMATED BASED ON RADAR. REPORTED BY
FAIRFIELD ELECTRIC.
&&
DCMThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:18 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Newberry | 42 min |
| Aug 6, 8:56 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Lexington | 34 min |
| Aug 6, 9:35 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Richland | 40 min |
| Aug 7, 2:23 PM EDT | Severe Thunderstorm Warning | CAE | Chesterfield | 52 min |
| Aug 7, 2:51 PM EDT | Severe Thunderstorm Warning | CAE | Lancaster | 24 min |
| Aug 7, 2:57 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield | 33 min |
| Aug 7, 4:01 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw | 44 min |
| Aug 7, 4:48 PM EDT | Severe Thunderstorm Warning | CAE | Kershaw, Lee, Sumter | 57 min |
| Aug 7, 5:14 PM EDT | Severe Thunderstorm Warning | CAE | Richland | 46 min |
| Aug 7, 5:49 PM EDT | Severe Thunderstorm Warning | CAE | Orangeburg | 30 min |
| Aug 7, 5:58 PM EDT | Severe Thunderstorm Warning | CAE | Sumter | 62 min |
| Aug 7, 6:29 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon | 61 min |
| Aug 7, 6:56 PM EDT | Severe Thunderstorm Warning | CAE | Aiken | 38 min |
| Aug 7, 7:24 PM EDT | Flash Flood Warning | CAE | Richland | 52 min |
| Aug 7, 5:40 PM EDT | Severe Thunderstorm Warning | CAE | Burke, Richmond | 50 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2008Every severe thunderstorm warning in 2008
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.