Alert archive / Georgia / Special Weather Statements in 2023

Special Weather Statement, NWS Greenville-Spartanburg, SC

December 10, 2023Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this special weather statement at Dec 10, 2023, 2:08 AM EST for Stephens County, Georgia. It was in force for 22 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: Dec 10, 2023, 2:08 AM EST (07:08 UTC)
Expired: Dec 10, 2023, 2:30 AM EST
In force: 22 min
Issued by: NWS Greenville-Spartanburg, SC
Hail: 0.25 in
Wind: 40

County Stephens County, GA

The radar

The Greer radar (KGSP), 108 km from the middle of the area, began a volume at 07:12 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, 7.1 hours before the alert went out and 174 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: 441 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 802 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 229 m²/s²
0-3 km storm-relative helicity: 302 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

940 
WWUS82 KGSP 100708
SPSGSP

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
208 AM EST Sun Dec 10 2023
 
GAZ017-018-SCZ101-104-100730-
Stephens GA-Habersham GA-Greater Oconee SC-Oconee Mountains SC-
208 AM EST Sun Dec 10 2023

...A STRONG THUNDERSTORM WILL IMPACT STEPHENS...SOUTHEASTERN
HABERSHAM AND SOUTHWESTERN OCONEE COUNTIES THROUGH 230 AM EST...

At 207 AM EST, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Toccoa, or 4 miles east of Mount Airy, moving
northeast at 60 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 hail damage to outdoor objects is 
         possible.

Locations impacted include...
Toccoa, Mount Airy, Westminster, Tallulah Falls, Boydville, and
Eastanolee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3472 8337 3472 8335 3474 8335 3474 8334
      3476 8332 3466 8310 3447 8332 3447 8338
      3446 8340 3448 8345 3449 8351
TIME...MOT...LOC 0707Z 217DEG 53KT 3450 8343 

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

$$

ARK

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 3:10 AM EST	Winter Weather Advisory	GSP	Avery, Mitchell, Yancey	33 hr
Dec 10, 2:05 AM EST	Special Weather Statement	GSP	Habersham, Rabun	25 min

Nearby

Special Weather Statements in Georgia, 2023 Every special weather statement 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.