Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 166, NWS Columbia, SC

September 4, 2015Fairfield County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Sep 4, 2015, 6:56 PM EDT for Fairfield County, South Carolina. It was in force for 49 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: Sep 4, 2015, 6:56 PM EDT (22:56 UTC)
Expired: Sep 4, 2015, 7:45 PM EDT
In force: 49 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

County Fairfield County, SC

The radar

The Columbia radar (KCAE), 50 km from the middle of the area, began a volume at 22:56 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 12:00Z, 10.9 hours before the alert went out and 196 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: 1200 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1183 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Sep 4, 5:39 PM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, Sep 4, 5:39 PM EDT, 1 hour 17 minutes before

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Hazardous weather outlook, Sep 4, 3:44 PM EDT, 3 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
344 PM EDT FRI SEP 4 2015

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-051945-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
344 PM EDT FRI SEP 4 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.

SCATTERED THUNDERSTORMS WILL CONTINUE INTO TONIGHT. A FEW OF THE
THUNDERSTORMS MAY BECOME STRONG TO SEVERE WITH DAMAGING WIND
GUSTS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Sep 4, 2:18 PM EDT, 4 hours 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
218 PM EDT FRI SEP 4 2015

GAZ077-041845-
BURKE-
218 PM EDT FRI SEP 4 2015

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN BURKE COUNTY...

AT 218 PM EDT...A STRONG THUNDERSTORM WAS NEAR SARDIS...OR 13 MILES
SOUTHEAST OF WAYNESBORO...MOVING SOUTHWEST AT 10 MPH.

WIND GUSTS OF 45 TO 55 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
SARDIS AND GIRARD.

LAT...LON 3295 8182 3294 8183 3295 8186 3292 8196
      3292 8202 3293 8204 3314 8183 3311 8172
      3302 8158 3291 8176
TIME...MOT...LOC 1818Z 032DEG 9KT 3300 8180

CJR

Special weather statement, Sep 4, 3:27 PM EDT, 3 hours 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
327 PM EDT FRI SEP 4 2015

SCZ020-026-042030-
NEWBERRY-SALUDA-
327 PM EDT FRI SEP 4 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN SALUDA...
NORTHWESTERN RICHLAND...SOUTHWESTERN FAIRFIELD...NEWBERRY AND
NORTHWESTERN LEXINGTON COUNTIES...

AT 327 PM EDT...A STRONG THUNDERSTORM WAS NEAR NEWBERRY...MOVING
SOUTH AT 15 MPH.

WIND GUSTS OF 45 TO 50 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
NEWBERRY...WHITMIRE...PROSPERITY...LITTLE MOUNTAIN...POMARIA...
SILVERSTREET...PEAK...CHAPPELLS AND KINARDS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 3447 8155 3445 8155 3449 8149 3443 8141
      3424 8132 3420 8134 3418 8140 3414 8143
      3408 8139 3409 8146 3403 8149 3401 8154
      3415 8190 3418 8190 3420 8194 3430 8190
      3437 8178 3453 8164
TIME...MOT...LOC 1927Z 016DEG 13KT 3432 8172

CJR

Local storm report, Sep 4, 3:51 PM EDT, 3 hours 5 minutes before

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Local storm report, Sep 4, 3:59 PM EDT, 2 hours 57 minutes before

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Local storm report, Sep 4, 4:05 PM EDT, 2 hours 51 minutes before

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Special weather statement, Sep 4, 6:34 PM EDT, 22 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 3, 8:18 PM EDT	Special Weather Statement	CAE	Florence	57 min
Sep 4, 3:27 PM EDT	Special Weather Statement	CAE	Newberry	63 min
Sep 4, 3:32 PM EDT	Severe Thunderstorm Warning	CAE	Newberry	43 min
Sep 4, 6:34 PM EDT	Special Weather Statement	CAE	Sumter	26 min
Sep 4, 2:18 PM EDT	Special Weather Statement	CAE	Burke	27 min
Sep 4, 3:37 PM EDT	Severe Thunderstorm Warning	CAE	Burke	26 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.