Alert archive / South Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 13, 2017Anderson County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 13, 2017, 10:01 PM EDT for Anderson 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: Aug 13, 2017, 10:01 PM EDT (02:01 UTC)
Expired: Aug 13, 2017, 10:30 PM EDT
In force: 29 min
Issued by: NWS Greenville-Spartanburg, SC

County Anderson County, SC

The radar

The Greer radar (KGSP), 46 km from the middle of the area, began a volume at 02:03 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.0 hours before the alert went out and 223 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: 649 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1375 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 18 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this special weather statement went out at Aug 13, 8:02 PM EDT, 1 hour 59 minutes earlier.

Area forecast discussion, Aug 13, 8:02 PM EDT, 1 hour 59 minutes before

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Hazardous weather outlook, Aug 13, 5:15 PM EDT, 4 hours 46 minutes before

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In the hours before

Special weather statement, Aug 13, 8:55 PM EDT, 1 hour 6 minutes before

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Special weather statement, Aug 13, 8:59 PM EDT, 1 hour 2 minutes before

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Special weather statement, Aug 13, 9:03 PM EDT, 58 minutes before

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Special weather statement, Aug 13, 9:30 PM EDT, 31 minutes before

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Special weather statement, Aug 13, 9:34 PM EDT, 27 minutes before

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Special weather statement, Aug 13, 10:01 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 8:27 PM EDT	Special Weather Statement	GSP	Henderson	33 min
Aug 13, 8:55 PM EDT	Special Weather Statement	GSP	McDowell	35 min
Aug 13, 8:59 PM EDT	Special Weather Statement	GSP	Rutherford	31 min
Aug 13, 9:30 PM EDT	Special Weather Statement	GSP	McDowell	30 min
Aug 13, 9:34 PM EDT	Special Weather Statement	GSP	Rutherford	26 min
Aug 13, 9:56 PM EDT	Areal Flood Advisory	GSP	McDowell	109 min
Aug 13, 10:07 PM EDT	Special Weather Statement	GSP	Rutherford	23 min
Aug 13, 10:19 PM EDT	Areal Flood Advisory	GSP	Burke	116 min
Aug 13, 10:26 PM EDT	Flash Flood Warning	GSP	McDowell	3 hr
Aug 13, 10:37 PM EDT	Areal Flood Advisory	GSP	McDowell, Rutherford	113 min
Aug 13, 10:55 PM EDT	Flash Flood Warning	GSP	Rutherford	3 hr
Aug 13, 11:21 PM EDT	Special Weather Statement	GSP	Polk	54 min
Aug 14, 12:10 AM EDT	Special Weather Statement	GSP	Burke, Cleveland, Polk, Rutherford	65 min
Aug 14, 12:17 AM EDT	Areal Flood Advisory	GSP	Burke	118 min
Aug 14, 1:32 AM EDT	Areal Flood Advisory	GSP	Cleveland, Rutherford	118 min
Aug 14, 3:12 AM EDT	Special Weather Statement	GSP	Cleveland, Gaston	63 min
Aug 14, 4:49 PM EDT	Special Weather Statement	GSP	Henderson	41 min
Aug 14, 5:34 PM EDT	Special Weather Statement	GSP	Mecklenburg	26 min
Aug 14, 6:06 PM EDT	Special Weather Statement	GSP	Mecklenburg	24 min
Aug 14, 6:09 PM EDT	Special Weather Statement	GSP	Yancey	51 min
Aug 14, 7:18 PM EDT	Flash Flood Warning	GSP	Madison	3 hr
Aug 14, 7:23 PM EDT	Special Weather Statement	GSP	Gaston	37 min
Aug 14, 7:57 PM EDT	Special Weather Statement	GSP	Lincoln	33 min
Aug 13, 9:03 PM EDT	Special Weather Statement	GSP	Oconee	27 min
Aug 13, 10:32 PM EDT	Special Weather Statement	GSP	Pickens	28 min
Aug 13, 10:50 PM EDT	Areal Flood Advisory	GSP	Anderson	115 min
Aug 13, 11:26 PM EDT	Special Weather Statement	GSP	Pickens	64 min
Aug 14, 12:27 AM EDT	Special Weather Statement	GSP	Pickens	33 min
Aug 14, 3:37 PM EDT	Special Weather Statement	GSP	Greenville	53 min
Aug 14, 3:44 PM EDT	Special Weather Statement	GSP	Greenville, Pickens	61 min
Aug 14, 4:16 PM EDT	Special Weather Statement	GSP	Abbeville, Greenwood	44 min
Aug 14, 4:33 PM EDT	Special Weather Statement	GSP	Laurens	42 min
Aug 14, 5:26 PM EDT	Special Weather Statement	GSP	Anderson	34 min
Aug 14, 5:56 PM EDT	Special Weather Statement	GSP	Greenville	49 min
Aug 14, 6:37 PM EDT	Special Weather Statement	GSP	Spartanburg	23 min
Aug 14, 7:08 PM EDT	Special Weather Statement	GSP	Cherokee, Union	37 min
Aug 14, 7:40 PM EDT	Special Weather Statement	GSP	Chester	35 min
Aug 14, 7:53 PM EDT	Areal Flood Advisory	GSP	Cherokee, Spartanburg, Union	3 hr
Aug 14, 12:32 PM EDT	Special Weather Statement	GSP	Habersham	58 min
Aug 14, 12:45 PM EDT	Areal Flood Advisory	GSP	Habersham, Rabun, Stephens	2 hr
Aug 14, 2:45 PM EDT	Special Weather Statement	GSP	Stephens	30 min
Aug 14, 3:22 PM EDT	Areal Flood Advisory	GSP	Stephens	113 min
Aug 14, 3:28 PM EDT	Special Weather Statement	GSP	Stephens	62 min
Aug 14, 4:10 PM EDT	Special Weather Statement	GSP	Hart	50 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.