Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 152, NWS Columbia, SC

August 6, 20157 counties in South Carolina; Burke County, Richmond County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Aug 6, 2015, 5:48 PM EDT for 7 counties in South Carolina; Burke County, Richmond County, Georgia. It was in force for 57 min. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 6, 2015, 5:48 PM EDT (21:48 UTC)
Expired: Aug 6, 2015, 6:45 PM EDT
In force: 57 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Burke County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Edgefield County, SC, Lexington County, SC, Orangeburg County, SC, Saluda County, SC

The radar

The Charleston,SC radar (KCLX), 82 km from the middle of the area, began a volume at 21:50 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.

What was reported inside it

Time	Report	Where	Remark
Aug 6, 5:48 PM EDT	TSTM WND DMG	7 E Jackson, SC	SHERIFF REPORTED TREES DOWN EAST OF JACKSON.
Aug 6, 5:54 PM EDT	TSTM WND DMG	10 Sse Monetta, SC	SHERIFF REPORTED TREES DOWN ALONG THE NORTHERN END OF AIKEN COUNTY.
Aug 6, 6:05 PM EDT	TSTM WND DMG	4 Sse Pelion, SC	2 TREES IN ROADWAY US 178 SOUTH OF PELION. TIME ESTIMATED BY RADAR.
Aug 6, 6:24 PM EDT	TSTM WND DMG	Snelling, SC	DISPATCH REPORTED POWERLINES DOWN IN SNELLING.
Aug 6, 6:36 PM EDT	TSTM WND DMG	Springfield, SC	DISPATCH REPORTED POWERLINES DOWN IN SPRINGFIELD.
Aug 6, 6:54 PM EDT	TSTM WND DMG	1 Nne Livingston, SC	DISPATCH REPORTED A COUPLE OF TREES DOWN BETWEEN NORTH AND NEESES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 6 storm reports to this severe thunderstorm warning; the first came 0 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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, 3:20 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.8 hours before the alert went out and 151 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 619 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 974 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

778 
WUUS52 KCAE 062148
SVRCAE
GAC033-245-SCC003-009-011-037-063-075-081-062245-
/O.NEW.KCAE.SV.W.0152.150806T2148Z-150806T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
548 PM EDT THU AUG 6 2015

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN RICHMOND COUNTY IN EAST CENTRAL GEORGIA...
  BURKE COUNTY IN EAST CENTRAL GEORGIA...
  BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA...
  AIKEN COUNTY IN CENTRAL SOUTH CAROLINA...
  SOUTHERN LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA...
  SOUTH CENTRAL SALUDA COUNTY IN CENTRAL SOUTH CAROLINA...
  SOUTHEASTERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA...
  NORTHWESTERN ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA...
  NORTHWESTERN BAMBERG COUNTY IN CENTRAL SOUTH CAROLINA...

* UNTIL 645 PM EDT

* AT 548 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES
  SOUTH OF PROSPERITY TO NEAR GARFIELD...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  AIKEN...NORTH AUGUSTA...WAYNESBORO...BARNWELL...DENMARK...
  BELVEDERE...AUGUSTA...CLEARWATER...SAVANNAH RIVER SITE...
  HEPHZIBAH...WILLISTON...BLACKVILLE...JOHNSTON...NEW ELLENTON...
  JACKSON...SARDIS...RIDGE SPRING...MIDVILLE...GLOVERVILLE AND
  BURNETTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...ALSO USE WWW.FACEBOOK.COM/NWSCOLUMBIA AND EMAIL
CAEWX@NOAA.GOV TO RELAY SEVERE WEATHER REPORTS.
&&

LAT...LON 3283 8231 3303 8228 3387 8176 3379 8106
      3375 8106 3378 8101 3377 8095 3371 8104
      3365 8100 3312 8120 3311 8136 3316 8154
      3310 8162 3304 8156 3305 8154 3304 8154
      3291 8176 3295 8186 3292 8208 3281 8215
TIME...MOT...LOC 2148Z 269DEG 24KT 3409 8155 3269 8210 

$$

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, 5:40 PM EDT, 8 minutes earlier.

Area forecast discussion, Aug 6, 5:40 PM EDT, 8 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
540 PM EDT THU AUG 6 2015

.SYNOPSIS...
AN UPPER TROUGH AND INCREASING MOISTURE WILL LEAD TO GREATER
PRECIPITATION CHANCES TODAY INTO FRIDAY...FOLLOWED BY DRIER AIR
RETURNING FOR THE WEEKEND. A FRONT MAY AFFECT THE REGION EARLY
NEXT WEEK.

&&

.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
SHOWER AND THUNDERSTORM ACTIVITY CONTINUES TO INCREASE ACROSS THE
AREA AS THE LINE OF CONVECTION MOVES INTO THE AREA FROM THE WEST.
SEVERAL OF THE THUNDERSTORMS HAVE REACHED SEVERE LIMITS WITH ALL
REPORTS THUS FAR COMING FROM DAMAGING WINDS. HAVE BEEN ISOLATED
REPORTS OF SMALL HAIL WITH THE LARGEST SIZE SO FAR BEING ONE HALF
INCH. LINE OF THUNDERSTORMS CURRENTLY WITH THE TROUGH RUN FROM
CENTRAL NEWBERRY COUNTY THROUGH BURKE COUNTY. EXPECT THE
THUNDERSTORMS TO CONTINUE MARCHING ACROSS THE AREA OVER THE NEXT
SEVERAL HOURS AND MOVE EAST OF THE AREA LATE THIS EVENING. SEVERE
THUNDERSTORM WATCH 475 REMAINS IN EFFECT THROUGH 10 PM. AS THE
TROUGH MOVES EAST OF THE AREA OVERNIGHT CONVECTION WILL
DIMINISH...HOWEVER WITH LIFT AHEAD OF THE APPROACHING UPPER
TROUGH AND LOW LEVEL CONVERGENCE ALONG AND AHEAD OF THE SURFACE
BOUNDARY COMBINED WITH HIGH MOISTURE IN PLACE EXPECT CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. CONCERN FOR FLOODING REMAINS
MAINLY ACROSS THE 5 POINTS AND SURROUNDING AREA. ONE TO TWO INCHES
OF RAIN IN THE BASIN YESTERDAY COMBINED WITH UP TO AN INCH ALREADY
TODAY...PLUS MORE CELLS TO THE WEST HAVE RESULTED IN ISSUING A
FLASH FLOOD WARNING THROUGH 730 PM FOR THE COLUMBIA AND
SURROUNDING AREAS.

&&

.SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY NIGHT/...
STRONG SHORT WAVE TROUGH MOVING THROUGH THE REGION DURING THE
MORNING. SURFACE FRONTAL BOUNDARY MOVING SOUTH ACROSS THE AREA
DURING THE AFTERNOON. POPS HIGH IN THE MORNING THEN DECREASING IN
THE AFTERNOON AS STRONGEST LIFT MOVES EAST OF THE AREA. DRIER
ATMOSPHERE FOR SATURDAY. WEAK COOL ADVECTION BEHIND THE FRONT AND
DEPARTING LOW EXPECTED TO KEEP TEMPS DOWN TO NEAR CLIMATOLOGY SATURDAY.

&&

.LONG TERM /SUNDAY THROUGH THURSDAY/...
MODELS INDICATE UPPER RIDGE WILL SHIFT BACK TO THE WEST
SOME...WITH UPPER TROUGH DEEPENING OVER THE E CONUS...EARLY TO MID
NEXT WEEK. THIS ALONG WITH SOME EXPECTED INCREASE IN MOISTURE AND
INDICATIONS OF A POSSIBLE FRONT SUGGESTS TREND TOWARDS INCREASING
POPS. GENERALLY ACCEPTED BLEND OF GUIDANCE.

&&

.AVIATION /21Z THURSDAY THROUGH TUESDAY/...
WIDESPREAD CONVECTION TO AFFECT THE TAF SITES INTO THE EVENING.
AIRMASS MODERATELY UNSTABLE WITH AN UPPER LEVEL DISTURBANCE CROSSING
THE REGION THROUGH 07/02Z.

CHANCES FOR SHRA/TSRA WILL CONTINUE OVERNIGHT THEN GRADUALLY
DIMINISH ON FRIDAY FROM WEST TO EAST AS THE UPPER LEVEL DISTURBANCE
MOVES TO THE COAST.

EXTENDED AVIATION OUTLOOK...MVFR OR IFR CONDITIONS POSSIBLE IN LATE
NIGHT AND EARLY MORNING FOG.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
SC...NONE.
GA...NONE.

&&

99

Hazardous weather outlook, Aug 6, 3:30 PM EDT, 2 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
330 PM EDT THU AUG 6 2015

GAZ040-063>065-077-SCZ018-020>022-025>031-035>038-041-071930-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-MCCORMICK-NEWBERRY-
FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-RICHLAND-LEE-AIKEN-
SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-BAMBERG-
330 PM EDT THU AUG 6 2015

...SEVERE THUNDERSTORM WATCH 475 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA
AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA.

.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 IS NOT EXPECTED AT THIS TIME.

SCZ015-016-071930-
LANCASTER-CHESTERFIELD-
330 PM EDT THU AUG 6 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA
AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Aug 6, 5:25 PM EDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
525 PM EDT THU AUG 6 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0519 PM     TSTM WND DMG     2 NNW WARD              33.88N 81.75W
08/06/2015                   SALUDA             SC   LAW ENFORCEMENT

            HIGHWAY PATROL REPORTED TREES DOWN ON DANIEL
            AVENUE ABOUT 1 MILE OUTSIDE OF WARD.

&&

WRS

Local storm report, Aug 6, 5:28 PM EDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
528 PM EDT THU AUG 6 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0512 PM     TSTM WND DMG     SARDIS                  32.98N 81.76W
08/06/2015                   BURKE              GA   911 CALL CENTER

            DISPATCH REPORTED A TREE DOWN IN SARDIS.

&&

WRS

Local storm report, Aug 6, 5:30 PM EDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
530 PM EDT THU AUG 6 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0512 PM     TSTM WND DMG     2 W BATESBURG           33.91N 81.58W
08/06/2015                   SALUDA             SC   911 CALL CENTER

            DISPATCH REPORTED A TREE DOWN 2 MILES WEST
            OF BATESBURG-LEESVILLE.

&&

WRS

Special weather statement, Aug 6, 5:36 PM EDT, 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
536 PM EDT THU AUG 6 2015

SCZ022-027>031-037-038-062230-
LEXINGTON-LEE-CLARENDON-RICHLAND-CALHOUN-SUMTER-KERSHAW-AIKEN-
536 PM EDT THU AUG 6 2015

...A STRONG THUNDERSTORM WILL AFFECT LEE...NORTHWESTERN CALHOUN...
NORTHEASTERN AIKEN...EASTERN LEXINGTON...NORTH CENTRAL CLARENDON...
SUMTER...SOUTHERN KERSHAW AND RICHLAND COUNTIES...

AT 536 PM EDT...A STRONG THUNDERSTORM WAS 11 MILES SOUTHEAST OF
CAYCE...MOVING EAST AT 25 MPH.

WIND GUSTS OF 35 TO 45 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
COLUMBIA...SUMTER...LEXINGTON...WEST COLUMBIA...CAYCE...IRMO...FOREST
ACRES...CAMDEN...BISHOPVILLE...SPRINGDALE...ST. ANDREWS...
DENTSVILLE...OAK GROVE...WOODFIELDS...SOUTH SUMTER...RED BANK...SOUTH
CONGAREE...PINE RIDGE...GASTON AND ARCADIA LAKES.

LAT...LON 3381 8005 3369 8127 3413 8117 3436 8028
      3434 8022 3429 8014 3423 8011 3420 8011
      3416 8016 3415 8015 3409 8008 3408 8003
      3403 7997
TIME...MOT...LOC 2136Z 263DEG 33KT 3387 8090

Local storm report, Aug 6, 5:39 PM EDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
539 PM EDT THU AUG 6 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0521 PM     TSTM WND DMG     1 NW WOODFIELDS         34.07N 80.94W
08/06/2015                   RICHLAND           SC   LAW ENFORCEMENT

            MULTIPLE TREES DOWN CHATSWORTH ROAD,
            CASTLETON LANE AND EXETER LANE. TIME
            ESTIMATED BY RADAR.

&&

DA

Local storm report, Aug 6, 5:46 PM EDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
546 PM EDT THU AUG 6 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0533 PM     TSTM WND DMG     5 SSW RIDGE SPRING      33.78N 81.69W
08/06/2015                   AIKEN              SC   LAW ENFORCEMENT

            HIGHWAY PATROL REPORTED TREES DOWN ON MOUNT
            CALVARY ROAD AT MARKET ROAD.

&&

WRS

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 8:00 PM EDT	Special Weather Statement	CAE	Lexington	60 min
Aug 6, 1:31 PM EDT	Special Weather Statement	CAE	Lancaster, Newberry	59 min
Aug 6, 2:27 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield	33 min
Aug 6, 2:56 PM EDT	Severe Thunderstorm Warning	CAE	Newberry	34 min
Aug 6, 3:00 PM EDT	Special Weather Statement	CAE	Chesterfield, Fairfield, Lancaster	60 min
Aug 6, 3:55 PM EDT	Severe Thunderstorm Warning	CAE	Lexington, Newberry, Richland, Saluda	35 min
Aug 6, 4:06 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	54 min
Aug 6, 4:32 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Fairfield, Kershaw, Lee, Lexington, Richland and 1 more	58 min
Aug 6, 4:50 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell, Edgefield, Lexington, McCormick, Saluda	55 min
Aug 6, 5:07 PM EDT	Special Weather Statement	CAE	Newberry	38 min
Aug 6, 5:12 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, Fairfield, Lexington, McCormick, Newberry, Richland and 1 more	48 min
Aug 6, 5:32 PM EDT	Flash Flood Warning	CAE	Lexington, Richland	118 min
Aug 6, 5:36 PM EDT	Special Weather Statement	CAE	Lee, Richland, Sumter	54 min
Aug 6, 5:46 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland, Sumter	44 min
Aug 6, 6:01 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lancaster	44 min
Aug 6, 6:35 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Richland	40 min
Aug 6, 6:42 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Orangeburg	33 min
Aug 6, 6:43 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Orangeburg	47 min
Aug 6, 6:49 PM EDT	Areal Flood Advisory	CAE	Aiken, Calhoun, Lexington, Orangeburg, Richland	116 min
Aug 6, 6:51 PM EDT	Special Weather Statement	CAE	Chesterfield, Kershaw, Lee, Richland, Sumter	54 min
Aug 6, 7:03 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Lee	42 min
Aug 6, 7:16 PM EDT	Special Weather Statement	CAE	Clarendon, Orangeburg	59 min
Aug 6, 7:29 PM EDT	Flash Flood Warning	CAE	Lexington, Richland	2 hr
Aug 6, 4:38 PM EDT	Severe Thunderstorm Warning	CAE	McDuffie	37 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2015 Severe Thunderstorm Warnings in Georgia, 2015 Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.