Alert archive / South Carolina / Special Weather Statements in 2015

Special Weather Statement, NWS Columbia, SC

January 4, 2015Lancaster County, South Carolina

NWS Columbia, SC issued this special weather statement at Jan 4, 2015, 10:01 AM EST for Lancaster County, South Carolina. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 4, 2015, 10:01 AM EST (15:01 UTC)
Expired: Jan 4, 2015, 10:30 AM EST
In force: 29 min
Issued by: NWS Columbia, SC

County Lancaster County, SC

The radar

The Columbia radar (KCAE), 100 km from the middle of the area, began a volume at 15:03 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.0 hours before the alert went out and 163 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 474 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 68 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jan 4, 7:43 AM EST, 2 hours 18 minutes earlier.

Area forecast discussion, Jan 4, 7:43 AM EST, 2 hours 18 minutes before

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Hazardous weather outlook, Jan 4, 4:27 AM EST, 5 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
427 AM EST SUN JAN 4 2015

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-050930-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
427 AM EST SUN JAN 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND
CENTRAL SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A MARGINAL THREAT FOR SEVERE THUNDERSTORMS MAINLY LATE
THIS MORNING THROUGH THE AFTERNOON AHEAD OF A COLD FRONT. THE MAIN
THREAT WILL BE DAMAGING WIND GUSTS. AN ISOLATED TORNADO IS ALSO
POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

In the hours before

Special weather statement, Jan 4, 10:01 AM EST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1001 AM EST SUN JAN 4 2015

SCZ015-016-041530-
CHESTERFIELD-LANCASTER-
1001 AM EST SUN JAN 4 2015

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHESTERFIELD AND
LANCASTER COUNTIES THROUGH 1030 AM EST...

AT 1000 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG STORMS...NEAR IRWIN...MOVING NORTHEAST AT 40 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
ELGIN...IRWIN...LANCASTER AND PAGELAND...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PEA SIZE HAIL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3494 8078 3482 8079 3482 8038 3481 8029
      3452 8087 3464 8090 3470 8086 3474 8089
      3479 8088 3483 8091 3484 8087 3490 8088
      3500 8084
TIME...MOT...LOC 1501Z 239DEG 35KT 3472 8082

SJN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 4, 12:46 PM EST	Special Weather Statement	CAE	Aiken, Barnwell, Chesterfield, Kershaw, Lancaster, Lexington and 1 more	59 min
Jan 4, 1:48 PM EST	Areal Flood Advisory	CAE	Richland	57 min
Jan 4, 1:53 PM EST	Special Weather Statement	CAE	Bamberg, Barnwell, Calhoun, Chesterfield, Kershaw, Lee and 3 more	52 min
Jan 4, 1:57 PM EST	Severe Thunderstorm Warning	CAE	Bamberg, Barnwell	33 min
Jan 4, 2:06 PM EST	Severe Thunderstorm Warning	CAE	Kershaw, Richland	39 min
Jan 4, 2:49 PM EST	Special Weather Statement	CAE	Calhoun, Chesterfield, Kershaw, Lee, Orangeburg, Sumter	86 min
Jan 4, 3:26 PM EST	Special Weather Statement	CAE	Sumter	34 min

Nearby

Special Weather Statements in South Carolina, 2015 Every special weather statement 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.