Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 209, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Aug 6, 2010, 4:27 PM EDT for Fairfield County, Newberry County, South Carolina. It was in force for 63 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 6, 2010, 4:27 PM EDT (20:27 UTC)
- Expired
- Aug 6, 2010, 5:30 PM EDT
- In force
- 63 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
Counties Fairfield County, SC, Newberry County, SC
The radar
The Columbia radar (KCAE), 49 km from the middle of the area, began a volume at 20:26 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 6, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.5 hours before the alert went out and 204 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
- 2833 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 675 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
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 6, 1:15 PM EDT, 3 hours 12 minutes earlier.
Area forecast discussion, Aug 6, 1:15 PM EDT, 3 hours 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
115 PM EDT FRI AUG 6 2010
.SYNOPSIS...
AN APPROACHING COLD FRONT WILL MOVE INTO THE AREA TONIGHT AND STALL
THROUGH SUNDAY. HIGH PRESSURE AND HOT TEMPERATURES WILL RETURN
MONDAY.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
VERY UNSTABLE OVER THE AREA THIS AFTERNOON AND SPC IS LEANING
TOWARD A WATCH. EXPECT VERY HEAVY LOCAL RAINS WITH PW VALUES AROUND
2.2 OFF SPC MESOANALYSIS PAGE. BUFKIT ALSO FAVORS STRONG WET
MICROBURSTS WITH COLLAPSING STORMS SO EXPECT WIND DAMAGE AS WELL.
AFTERNOON TEMPS IN THE MID 90S WITH HEAT INDICIES IN THE 102 TO
108 RANGE.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/...
SCATTERED SEVERE THUNDERSTORMS WILL CONTINUE UNTIL AROUND 10PM.
TEMPS LOWERING INTO THE LOWER 80S IN PRECIP WITH VERY HUMID
CONDITIONS OVERNIGHT. UPPER LEVEL TROUGH LINGERS OVER THE EASTERN
THIRD OF THE NATION. SO...CHANCE OF SHOWERS/TSTMS CONTINUE IN A
MOIST AND UNSTABLE AIR MASS. CLOUDS AND PRECIP SHOULD KEEP DAYTIME
HIGHS IN THE LOW/MID 90S WITH LOWS IN THE MID 70S.
&&
.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
NOT MUCH CHANGE TO EXTENDED MODELS. THE EAST COAST TROUGH WEAKENS
AND UPPER RIDGE TO THE WEST BEGINS TO BUILD TOWARD THE REGION
MONDAY THROUGH WEDNESDAY. HIGHS IN THE UPPER 90S MONDAY THROUGH
WEDNESDAY. UPPER RIDGE WEAKENS A BIT THURSDAY AS SHORT WAVE IN THE
NORTHERN STREAM BEGINS TO MOVE EAST. BUT STILL HOT THURSDAY WITH
HIGHS IN THE UPPER 90S. DRIER IN THE EXTENDED PERIOD WITH FRONT
THAT MOVED SOUTH BUT WILL INCLUDE AT LEAST A SLIGHT CHANCE OF
AFTERNOON AND EVENING THUNDERSTORMS IN MAINLY THE SOUTHERN
LOCATIONS CLOSER TO WHERE OLD FRONT WOULD HAVE DIED OUT. DRIER
NORTHERN PART OF CWA MONDAY AND TUESDAY AS HEAT BUILDS ONCE AGAIN.
WITH MORE MOISTURE OVER REGION WEDNESDAY AND THURSDAY WILL GO
SLIGHT CHANCE AFTERNOON AND EVENING ACTIVITY EVERYWHERE. STILL
WARM AT NIGHTS WITH LOWS MAINLY IN THE LOWER TO MIDDLE 70S.
&&
.AVIATION /17Z FRIDAY THROUGH TUESDAY/...
CONVECTIVE DEBRIS CLOUDS LINGERING OVER MUCH OF THE FORECAST AREA
THIS MORNING. COLD FRONT NEAR THE OH VALLEY WILL SLOWLY MOVE TOWARDS
OUR AREA LATER TODAY. SCTD STRONG STORMS POSSIBLE DURING THE
AFTERNOON HOURS SO HAVE MENTIONED CB AT ALL TAF SITES FROM AROUND
18Z THIS AFTERNOON TO 03Z SATURDAY. MORE DEBRIS CLOUDS POSSIBLE
DURING THE OVERNIGHT HOURS WITH PATCHY MVFR FOG AT AGS AND OGB
DURING THE PREDAWN HOURS SATURDAY MORNING.
EXTENDED AVIATION OUTLOOK...SCATTERED THUNDERSTORMS EXPECTED
SATURDAY.
&&
.CAE WATCHES/WARNINGS/ADVISORIES...
SC...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR SCZ030-035>037-
041.
GA...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR GAZ065-077.
&&
SYNOPSIS...02
NEAR TERM...02
SHORT TERM...02
LONG TERM...02
AVIATION...23Hazardous weather outlook, Aug 6, 4:31 AM EDT, 11 hours 56 minutes before
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</html>In the hours before
Local storm report, Aug 6, 3:28 PM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
328 PM EDT FRI AUG 06 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0310 PM TSTM WND DMG PINEWOOD 33.74N 80.46W
08/06/2010 SUMTER SC DEPT OF HIGHWAYS
HWY DEPT REPORTS TREES DOWN BLOCKING SOUTH HAMPTON ROAD
IN PINEWOOD
&&
SMITHLocal storm report, Aug 6, 4:13 PM EDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
413 PM EDT FRI AUG 06 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0350 PM TSTM WND DMG MANNING 33.69N 80.22W
08/06/2010 CLARENDON SC LAW ENFORCEMENT
SHERIFF REPORTED TREES AND POWER LINES DOWN ALONG WITH
SIGNS ON HIGHWAY 261.
0350 PM TSTM WND DMG TURBEVILLE 33.89N 80.02W
08/06/2010 CLARENDON SC LAW ENFORCEMENT
SHERIFF REPORTED TREES DOWN IN TOWN.
&&
AWPThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 12:17 AM EDT | Areal Flood Advisory | CAE | Chesterfield, Kershaw, Lancaster, Lee, Sumter | 118 min |
| Aug 6, 2:25 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Lee, Richland, Sumter | 50 min |
| Aug 6, 3:36 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon, Lee, Sumter | 39 min |
| Aug 6, 3:45 PM EDT | Areal Flood Advisory | CAE | Fairfield, Kershaw, Richland | 3 hr |
| Aug 6, 5:33 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield, McCormick | 42 min |
| Aug 6, 6:00 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Clarendon, Orangeburg, Sumter | 45 min |
| Aug 6, 6:47 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Orangeburg | 58 min |
| Aug 6, 7:13 PM EDT | Tornado Warning | CAE | Orangeburg | 26 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.