Alert archive / South Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Columbia, SC

February 9, 2017Fairfield County, Lancaster County, Newberry County, South Carolina

NWS Columbia, SC issued this special weather statement at Feb 9, 2017, 1:17 AM EST for Fairfield County, Lancaster County, Newberry County, South Carolina. It was in force for 58 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: Feb 9, 2017, 1:17 AM EST (06:17 UTC)
Expired: Feb 9, 2017, 2:15 AM EST
In force: 58 min
Issued by: NWS Columbia, SC

Counties Fairfield County, SC, Lancaster County, SC, Newberry County, SC

The radar

The Columbia radar (KCAE), 72 km from the middle of the area, began a volume at 06:20 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 00:00Z, 6.3 hours before the alert went out and 201 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: 48 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1414 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Feb 9, 12:48 AM EST, 29 minutes earlier.

Area forecast discussion, Feb 9, 12:48 AM EST, 29 minutes before

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Hazardous weather outlook, Feb 8, 2:31 AM EST, 22 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
231 AM EST Wed Feb 8 2017

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-091000-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
231 AM EST Wed Feb 8 2017

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

.DAY ONE...TODAY AND TONIGHT.

Marginal risk of severe thunderstorms late tonight.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

Breezy Thursday. Lake Wind Advisory may be required.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Feb 9, 1:17 AM EST, 0 minutes before

Special Weather Statement
National Weather Service Columbia SC
117 AM EST THU FEB 9 2017

SCZ015-016-020>022-090715-
Fairfield-Lancaster-Chesterfield-Newberry-Kershaw-
117 AM EST THU FEB 9 2017

...STRONG THUNDERSTORMS WILL AFFECT FAIRFIELD...LANCASTER...
NEWBERRY...WESTERN CHESTERFIELD AND NORTHERN KERSHAW COUNTIES...

At 115 AM EST, a cluster of strong thunderstorms were located 7
miles northwest of Newberry, moving east at 60 mph.

Wind gusts of 40 45 mph and small hail are possible with these
storms.

Locations impacted include...
Newberry, Lancaster, Winnsboro, Waxhaw, Pageland, Kershaw, Whitmire,
Elgin, Heath Springs, Irwin, Fishing Creek Reservoir, Jefferson,
Pomaria, Silverstreet, Winnsboro Mills, Lancaster Mill, and
Blackstock.

LAT...LON 3493 8078 3482 8079 3481 8040 3444 8027
      3418 8191 3420 8193 3431 8187 3437 8178
      3453 8164 3445 8154 3450 8142 3457 8142
      3454 8088 3465 8089 3470 8086 3483 8090
      3496 8084
TIME...MOT...LOC 0615Z 258DEG 59KT 3436 8170

Coleman

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 9, 1:38 AM EST	Special Weather Statement	CAE	Aiken, Edgefield	52 min
Feb 9, 2:12 AM EST	Special Weather Statement	CAE	Kershaw, Lee	33 min
Feb 9, 2:19 AM EST	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lee	25 min
Feb 9, 2:57 AM EST	Special Weather Statement	CAE	Bamberg, Barnwell, Calhoun, Clarendon, Orangeburg	48 min
Feb 9, 3:08 AM EST	Severe Thunderstorm Warning	CAE	Barnwell	22 min
Feb 9, 3:12 AM EST	Tornado Warning	CAE	Bamberg, Barnwell	33 min

Nearby

Special Weather Statements in South Carolina, 2017 Every special weather statement in 2017

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.