Alert archive / Georgia / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 296, NWS Greenville-Spartanburg, SC

August 12, 2023Elbert County, Franklin County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 12, 2023, 5:48 PM EDT for Elbert County, Franklin County, Hart County, Georgia. It was in force for 42 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
Aug 12, 2023, 5:48 PM EDT (21:48 UTC)
Expired
Aug 12, 2023, 6:30 PM EDT
In force
42 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Elbert County, GA, Franklin County, GA, Hart County, GA

The radar

The Greer radar (KGSP), 99 km from the middle of the area, began a volume at 21:49 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 12, 2:38 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.8 hours before the alert went out and 171 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2023-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1531 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2023-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1531 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
883 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
57 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 Aug 12, 5:43 PM EDT, 5 minutes earlier.

Area forecast discussion, Aug 12, 5:43 PM EDT, 5 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Aug 12, 5:33 PM EDT, 15 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, Aug 12, 4:17 PM EDT, 1 hour 31 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
417 PM EDT Sat Aug 12 2023

GAZ010-NCZ062-SCZ101-122045-
Rabun GA-Macon NC-Oconee Mountains SC-
417 PM EDT Sat Aug 12 2023

...A strong thunderstorm will impact portions of Rabun, south central
Macon and west central Oconee Counties through 445 PM EDT...

At 417 PM EDT, Doppler radar was tracking a strong thunderstorm 4
miles west of Clayton, or near Tiger, moving east at 15 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Clayton, Mountain City, Tiger, Dillard, Sky Valley, Lakemont, Black
Rock Mountain State Park, Lake Burton, Lake Rabun and Scaly Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northeastern Georgia...western North Carolina...and Upstate South
Carolina.

&&

LAT...LON 3475 8353 3493 8359 3505 8328 3479 8319
TIME...MOT...LOC 2017Z 253DEG 13KT 3487 8348

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

WJM
Special weather statement, Aug 12, 4:29 PM EDT, 1 hour 19 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
429 PM EDT Sat Aug 12 2023

GAZ010-NCZ062-063-SCZ101-104-122100-
Rabun GA-Southern Jackson NC-Macon NC-Greater Oconee SC-
Oconee Mountains SC-
429 PM EDT Sat Aug 12 2023

...A strong thunderstorm will impact portions of northeastern Rabun,
southeastern Macon, southern Jackson and northwestern Oconee Counties
through 500 PM EDT...

At 429 PM EDT, Doppler radar was tracking a strong thunderstorm 10
miles east of Clayton, or 7 miles southeast of Sky Valley, moving
east at 10 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Oconee State Park, Pine Mountain, Mountain Rest, Bad Creek and Scaly
Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northeastern Georgia...western North Carolina...and Upstate South
Carolina.

&&

LAT...LON 3502 8331 3505 8305 3505 8304 3504 8303
      3503 8301 3503 8300 3479 8299 3483 8330
TIME...MOT...LOC 2029Z 269DEG 10KT 3493 8322

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

WJM
Special weather statement, Aug 12, 4:44 PM EDT, 1 hour 4 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
444 PM EDT Sat Aug 12 2023

GAZ017-018-026-SCZ104-122115-
Franklin GA-Stephens GA-Habersham GA-Greater Oconee SC-
444 PM EDT Sat Aug 12 2023

...A strong thunderstorm will impact portions of northeastern
Franklin, Stephens, southeastern Habersham and southwestern Oconee
Counties through 515 PM EDT...

At 444 PM EDT, Doppler radar was tracking a strong thunderstorm near
Toccoa, moving east at 25 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Toccoa, Westminster, Gumlog, Martin, Avalon, Tugaloo State Park,
Hollywood, Boydville, Eastanolee and Turnerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northeastern Georgia...and Upstate South Carolina.

&&

LAT...LON 3473 8306 3449 8305 3447 8307 3446 8307
      3449 8347 3467 8348
TIME...MOT...LOC 2044Z 268DEG 21KT 3459 8339

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

WJM
Special weather statement, Aug 12, 4:52 PM EDT, 56 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
452 PM EDT Sat Aug 12 2023

NCZ064-SCZ101>106-122115-
Transylvania NC-Greater Oconee SC-Central Greenville SC-
Pickens Mountains SC-Greater Pickens SC-Oconee Mountains SC-
Greenville Mountains SC-
452 PM EDT Sat Aug 12 2023

...A strong thunderstorm will impact portions of south central
Transylvania, northwestern Greenville, Pickens and northeastern
Oconee Counties through 515 PM EDT...

At 451 PM EDT, Doppler radar was tracking a strong thunderstorm 12
miles northwest of Pickens, or near Lake Jocassee, moving southeast
at 25 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Pickens, Central, Liberty, Norris, Six Mile, Lake Keowee, Jocassee
Gorges, Lake Jocassee, Devils Fork State Park and Keowee Toxaway
State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
western North Carolina...and Upstate South Carolina.

&&

LAT...LON 3494 8302 3510 8292 3506 8248 3470 8272
      3469 8275
TIME...MOT...LOC 2051Z 298DEG 24KT 3499 8289

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

WJM
Local storm report, Aug 12, 5:13 PM EDT, 35 minutes before
Preliminary Local Storm Report
National Weather Service Greenville-Spartanburg SC
513 PM EDT Sat Aug 12 2023

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

0450 PM     Hail             2 ESE Mills River       35.38N 82.54W
08/12/2023  E1.75 inch       Henderson          NC   Public

&&
Local storm report, Aug 12, 5:15 PM EDT, 33 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 3:18 PM EDTSevere Thunderstorm WarningGSPJackson, Macon42 min
Aug 12, 3:23 PM EDTSpecial Weather StatementGSPSwain52 min
Aug 12, 3:31 PM EDTSevere Thunderstorm WarningGSPHaywood, Jackson, Swain30 min
Aug 12, 3:47 PM EDTSevere Thunderstorm WarningGSPHaywood43 min
Aug 12, 3:56 PM EDTSevere Thunderstorm WarningGSPGraham, Swain64 min
Aug 12, 4:03 PM EDTSpecial Weather StatementGSPJackson42 min
Aug 12, 4:11 PM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood, Madison49 min
Aug 12, 4:14 PM EDTSevere Thunderstorm WarningGSPJackson, Macon, Transylvania44 min
Aug 12, 4:22 PM EDTSevere Thunderstorm WarningGSPHaywood, Swain68 min
Aug 12, 4:34 PM EDTSevere Thunderstorm WarningGSPHaywood, Jackson, Macon, Swain56 min
Aug 12, 4:41 PM EDTSevere Thunderstorm WarningGSPBuncombe, Madison64 min
Aug 12, 4:45 PM EDTSevere Thunderstorm WarningGSPHenderson60 min
Aug 12, 4:49 PM EDTSevere Thunderstorm WarningGSPJackson, Macon54 min
Aug 12, 5:05 PM EDTSevere Thunderstorm WarningGSPBuncombe, McDowell, Mitchell, Yancey55 min
Aug 12, 5:27 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson, McDowell, Polk, Rutherford77 min
Aug 12, 5:36 PM EDTSevere Thunderstorm WarningGSPPolk39 min
Aug 12, 5:56 PM EDTSpecial Weather StatementGSPAvery34 min
Aug 12, 6:09 PM EDTSpecial Weather StatementGSPBurke51 min
Aug 12, 6:20 PM EDTSevere Thunderstorm WarningGSPCleveland, Rutherford45 min
Aug 12, 6:26 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Rutherford49 min
Aug 12, 7:20 PM EDTSpecial Weather StatementGSPCatawba, Gaston, Lincoln40 min
Aug 12, 4:29 PM EDTSpecial Weather StatementGSPOconee31 min
Aug 12, 4:52 PM EDTSpecial Weather StatementGSPPickens23 min
Aug 12, 5:01 PM EDTSevere Thunderstorm WarningGSPPickens44 min
Aug 12, 5:05 PM EDTSevere Thunderstorm WarningGSPOconee40 min
Aug 12, 5:51 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville39 min
Aug 12, 6:10 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Greenville, Greenwood, Laurens, Spartanburg51 min
Aug 12, 6:45 PM EDTSevere Thunderstorm WarningGSPAbbeville45 min
Aug 12, 7:07 PM EDTSpecial Weather StatementGSPGreenwood23 min
Aug 12, 7:28 PM EDTSpecial Weather StatementGSPGreenwood47 min
Aug 12, 4:00 PM EDTSpecial Weather StatementGSPHabersham45 min
Aug 12, 4:17 PM EDTSpecial Weather StatementGSPRabun28 min
Aug 12, 4:44 PM EDTSpecial Weather StatementGSPStephens31 min
Aug 12, 6:20 PM EDTSpecial Weather StatementGSPElbert25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2023Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.