Alert archive / South Carolina / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 167, NWS Greenville-Spartanburg, SC

July 17, 2016Greenwood County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 17, 2016, 7:01 PM EDT for Greenwood County, Laurens County, South Carolina. It was in force for 59 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: Jul 17, 2016, 7:01 PM EDT (23:01 UTC)
Expired: Jul 17, 2016, 8:00 PM EDT
In force: 59 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Greenwood County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 64 km from the middle of the area, began a volume at 23:04 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, 11.0 hours before the alert went out and 248 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: 1079 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1003 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 43 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 17, 4:32 PM EDT, 2 hours 29 minutes earlier.

Area forecast discussion, Jul 17, 4:32 PM EDT, 2 hours 29 minutes before

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Hazardous weather outlook, Jul 17, 5:05 PM EDT, 1 hour 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
505 PM EDT SUN JUL 17 2016

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-181215-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
505 PM EDT SUN JUL 17 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED UNTIL SHORTLY
AFTER SUNDOWN. HOWEVER UNTIL THEN A FEW OF THE STORMS MAY PRODUCE
FREQUENT CLOUD-TO-GROUND LIGHTNING...LOCALLY HEAVY RAINFALL AND
GUSTY WINDS. ONE OR TWO STORMS MIGHT EVEN BECOME SEVERE WITH
DAMAGING WINDS THE PRIMARY THREAT...ALTHOUGH SOME HAIL CAN NOT BE
RULED OUT.

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

..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

STUREY

In the hours before

Special weather statement, Jul 17, 5:16 PM EDT, 1 hour 45 minutes before

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Special weather statement, Jul 17, 5:39 PM EDT, 1 hour 22 minutes before

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Special weather statement, Jul 17, 6:07 PM EDT, 54 minutes before

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Special weather statement, Jul 17, 6:22 PM EDT, 39 minutes before

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Special weather statement, Jul 17, 6:38 PM EDT, 23 minutes before

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Special weather statement, Jul 17, 6:56 PM EDT, 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
656 PM EDT SUN JUL 17 2016

SCZ006-010-172330-
GREATER GREENVILLE SC-ANDERSON SC-
656 PM EDT SUN JUL 17 2016

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL GREENVILLE AND
EAST CENTRAL ANDERSON COUNTIES UNTIL 730 PM EDT...

AT 656 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11
MILES EAST OF ANDERSON...OR NEAR BELTON...MOVING SOUTH AT 5 MPH.

LOCATIONS TO BE IMPACTED INCLUDE...
BELTON...WILLIAMSTON...HONEA PATH...WEST PELZER...DONALDSON CENTER...
PIEDMONT...FORK SHOALS AND PRINCETON.

HALF INCH HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE IN THESE
AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS MAY ALSO RISE RAPIDLY. SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS. DO NOT DRIVE ACROSS
FLOODED ROADS.

&&

LAT...LON 3461 8256 3474 8238 3456 8223 3454 8224
      3439 8246
TIME...MOT...LOC 2256Z 353DEG 5KT 3457 8245

NED

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 1:20 PM EDT	Special Weather Statement	GSP	Transylvania	55 min
Jul 17, 2:01 PM EDT	Special Weather Statement	GSP	Jackson	59 min
Jul 17, 2:24 PM EDT	Special Weather Statement	GSP	Henderson	51 min
Jul 17, 5:16 PM EDT	Special Weather Statement	GSP	Buncombe	29 min
Jul 17, 5:39 PM EDT	Special Weather Statement	GSP	McDowell	36 min
Jul 17, 4:32 PM EDT	Special Weather Statement	GSP	Oconee	28 min
Jul 17, 6:07 PM EDT	Special Weather Statement	GSP	Greenville	23 min
Jul 17, 6:11 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	49 min
Jul 17, 6:22 PM EDT	Special Weather Statement	GSP	Union	23 min
Jul 17, 6:38 PM EDT	Special Weather Statement	GSP	Greenwood	37 min
Jul 17, 6:56 PM EDT	Special Weather Statement	GSP	Anderson	34 min
Jul 17, 7:31 PM EDT	Special Weather Statement	GSP	Anderson	29 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2016 Every severe thunderstorm warning 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.