Alert archive / South Carolina / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 310, NWS Greenville-Spartanburg, SC

August 15, 2023Abbeville County, South Carolina; Elbert County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 15, 2023, 2:19 PM EDT for Abbeville County, South Carolina; Elbert County, Georgia. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 15, 2023, 2:19 PM EDT (18:19 UTC)
Expired: Aug 15, 2023, 3:00 PM EDT
In force: 41 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Elbert County, GA, Abbeville County, SC

The radar

The Greer radar (KGSP), 101 km from the middle of the area, began a volume at 18:23 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.

What was reported inside it

Time	Report	Where	Remark
Aug 15, 2:30 PM EDT	TSTM WND DMG	Calhoun Falls, SC	5 trees reported down in and around Calhoun Falls.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.3 hours before the alert went out and 191 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: 1677 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 831 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

485 
WUUS52 KGSP 151819
SVRGSP
GAC105-SCC001-151900-
/O.NEW.KGSP.SV.W.0310.230815T1819Z-230815T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
219 PM EDT Tue Aug 15 2023

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Southeastern Elbert County in northeastern Georgia...
  Southwestern Abbeville County in Upstate South Carolina...

* Until 300 PM EDT.

* At 219 PM EDT, a severe thunderstorm was located 9 miles east of
  Elberton, or near Lake Russell, moving east at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is expected. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Calhoun Falls, Lowndesville, Bobby Brown State Park, Lake Strom
  Thurmond, Russell State Park, Nancy Hart State Park, Middleton,
  Lake Russell, Rice Town and Bobby Brown State Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Please report damaging winds, hail, or flooding to the National
Weather Service by calling toll free, 1, 800, 2 6 7, 8 1 0 1, or by
posting on our Facebook page, or Tweet it using hashtag nwsgsp. Your
message should describe the event and the specific location where it
occurred.

&&

LAT...LON 3398 8261 3398 8263 3397 8264 3399 8265
      3397 8277 3419 8280 3424 8248 3407 8247
      3408 8248 3407 8250 3407 8253 3401 8260
      3399 8258 3398 8258 3396 8257
TIME...MOT...LOC 1819Z 269DEG 7KT 3410 8271 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

CAC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 8:02 PM EDT	Special Weather Statement	GSP	Pickens	28 min
Aug 14, 8:16 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens	44 min
Aug 14, 9:19 PM EDT	Special Weather Statement	GSP	Greenville, Spartanburg	41 min
Aug 15, 1:52 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	31 min
Aug 15, 1:54 PM EDT	Special Weather Statement	GSP	Pickens	36 min
Aug 15, 2:35 PM EDT	Special Weather Statement	GSP	Greenville	25 min
Aug 15, 2:44 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	46 min
Aug 15, 2:59 PM EDT	Special Weather Statement	GSP	Spartanburg	31 min
Aug 15, 3:07 PM EDT	Special Weather Statement	GSP	Laurens	38 min
Aug 15, 3:19 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg, Union, York	41 min
Aug 15, 3:26 PM EDT	Special Weather Statement	GSP	Greenwood	34 min
Aug 15, 3:39 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	36 min
Aug 15, 3:43 PM EDT	Special Weather Statement	GSP	Chester, Union	47 min
Aug 15, 3:59 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	20 min
Aug 15, 4:09 PM EDT	Severe Thunderstorm Warning	GSP	York	36 min
Aug 15, 4:14 PM EDT	Severe Thunderstorm Warning	GSP	Chester	46 min
Aug 15, 1:10 PM EDT	Special Weather Statement	GSP	Franklin	35 min
Aug 15, 1:43 PM EDT	Severe Thunderstorm Warning	GSP	Elbert	47 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2023 Severe Thunderstorm Warnings in Georgia, 2023 Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.