Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 50, NWS Greenville-Spartanburg, SC

June 14, 2021Franklin County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 14, 2021, 3:41 PM EDT for Franklin County, Georgia. It was in force for 34 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
Jun 14, 2021, 3:41 PM EDT (19:41 UTC)
Expired
Jun 14, 2021, 4:15 PM EDT
In force
34 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Franklin County, GA

The radar

The Greer radar (KGSP), 118 km from the middle of the area, began a volume at 19:42 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 12:00Z, 7.7 hours before the alert went out and 152 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 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 740 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939Sfc1 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
740 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

466 
WUUS52 KGSP 141941
SVRGSP
GAC119-142015-
/O.NEW.KGSP.SV.W.0050.210614T1941Z-210614T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
341 PM EDT Mon Jun 14 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Southwestern Franklin County in northeastern Georgia...

* Until 415 PM EDT.

* At 341 PM EDT, a severe thunderstorm was located 5 miles west of
  Carnesville, moving south 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...
  Carnesville and Victoria Bryant State Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.

Brief damaging winds will blow down trees and power lines over small
areas. A brief period of large hail is also possible. Seek shelter
inside an interior room.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg 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 3423 8335 3426 8334 3433 8339 3438 8339
      3445 8326 3435 8316 3424 8317 3425 8320
      3424 8323 3425 8324 3424 8324 3425 8329
      3426 8329 3426 8330
TIME...MOT...LOC 1941Z 014DEG 8KT 3434 8332 

HAIL...1.00IN
WIND...60MPH
 
$$

KRENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 1:33 PM EDTSpecial Weather StatementGSPStephens27 min
Jun 14, 2:29 PM EDTSpecial Weather StatementGSPStephens31 min
Jun 14, 3:06 PM EDTSpecial Weather StatementGSPFranklin24 min
Jun 14, 4:03 PM EDTSpecial Weather StatementGSPStephens27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Every severe thunderstorm warning in 2021

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.