Alert archive / South Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Columbia, SC

July 21, 2016Newberry County, South Carolina

NWS Columbia, SC issued this special weather statement at Jul 21, 2016, 1:34 AM EDT for Newberry County, South Carolina. It was in force for 56 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: Jul 21, 2016, 1:34 AM EDT (05:34 UTC)
Expired: Jul 21, 2016, 2:30 AM EDT
In force: 56 min
Issued by: NWS Columbia, SC

County Newberry County, SC

The radar

The Columbia radar (KCAE), 67 km from the middle of the area, began a volume at 05:34 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 00:00Z, 5.6 hours before the alert went out and 221 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: 1782 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 Jul 21, 1:18 AM EDT, 16 minutes earlier.

Area forecast discussion, Jul 21, 1:18 AM EDT, 16 minutes before

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Hazardous weather outlook, Jul 20, 3:35 AM EDT, 21 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
335 AM EDT WED JUL 20 2016

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-210915-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
335 AM EDT WED JUL 20 2016

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

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS TODAY COULD POSSIBLY CONTAIN DAMAGING WIND.

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

THE PROBABILITY FOR HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 20, 9:01 PM EDT, 4 hours 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
901 PM EDT WED JUL 20 2016

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

0513 PM     TSTM WND DMG     13 WSW SNELLING         33.16N 81.65W
07/20/2016                   BARNWELL           SC   OTHER FEDERAL

            SEVERAL TREES DOWN IN THE SOUTHERN PORTION
            OF THE SAVANNAH RIVER SITE (SRS), SOUTH OF L
            LAKE AND HWY 125. REPORTED BY SRS EOC. TIME
            ESTIMATED BASED ON RADAR. .

&&

DCM

Special weather statement, Jul 21, 1:34 AM EDT, 0 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
Jul 20, 9:54 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	33 min
Jul 21, 6:36 AM EDT	Special Weather Statement	CAE	Saluda	54 min
Jul 21, 7:43 AM EDT	Special Weather Statement	CAE	Aiken	62 min
Jul 21, 1:09 PM EDT	Special Weather Statement	CAE	Calhoun	51 min
Jul 21, 1:26 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Richland, Sumter	64 min
Jul 21, 1:52 PM EDT	Areal Flood Advisory	CAE	Sumter	113 min
Jul 21, 2:02 PM EDT	Special Weather Statement	CAE	Richland	58 min
Jul 21, 2:17 PM EDT	Special Weather Statement	CAE	McCormick	43 min
Jul 21, 3:35 PM EDT	Special Weather Statement	CAE	Richland	55 min
Jul 21, 3:40 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Richland	26 min
Jul 21, 4:35 PM EDT	Special Weather Statement	CAE	Clarendon	55 min
Jul 21, 4:43 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon, Orangeburg	20 min
Jul 21, 4:54 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	35 min
Jul 21, 5:39 PM EDT	Special Weather Statement	CAE	Edgefield	66 min

Nearby

Special Weather Statements in South Carolina, 2016 Every special weather statement in 2016

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.