Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 15, 2021Jasper County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 15, 2021, 3:49 PM EDT for Jasper County, Georgia. It was in force for 41 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
Jul 15, 2021, 3:49 PM EDT (19:49 UTC)
Expired
Jul 15, 2021, 4:30 PM EDT
In force
41 min
Issued by
NWS Atlanta, GA
Hail
0.25 in
Wind
40

County Jasper County, GA

The radar

The Robins AFB radar (KJGX), 65 km from the middle of the area, began a volume at 19:54 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, 7.8 hours before the alert went out and 80 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 2021-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 636 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 2021-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
636 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

833 
WWUS82 KFFC 151949
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
349 PM EDT Thu Jul 15 2021
 
GAZ058-059-071-072-152030-
Butts GA-Monroe GA-Jones GA-Jasper GA-
349 PM EDT Thu Jul 15 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BUTTS...NORTHEASTERN
MONROE...NORTHWESTERN JONES AND SOUTHERN JASPER COUNTIES UNTIL 430 PM
EDT...

At 348 PM EDT...a strong thunderstorm was southwest of Monticello, 
moving northeast at 20 mph.

  HAZARD...Winds up to 40 mph, pea sized hail, frequent lightning 
           and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of 
           light, unsecured objects. Heavy rain may cause temporary 
           street flooding, especially in poor drainage areas.

Some locations in the path of this storm include
Monticello, McElheneys Crossroads, Berner, Juliette, Adgateville and
Hillsboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3312 8353 3309 8385 3313 8390 3320 8391
      3340 8378 3331 8356 3320 8354 3317 8355
      3317 8354
TIME...MOT...LOC 1948Z 239DEG 17KT 3318 8380 

HAIL...0.25IN
WIND...40MPH

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 15, 1:07 PM EDTSpecial Weather StatementFFCTalbot23 min
Jul 15, 2:30 PM EDTSpecial Weather StatementFFCHarris45 min
Jul 15, 3:08 PM EDTSpecial Weather StatementFFCEmanuel52 min
Jul 15, 3:53 PM EDTSpecial Weather StatementFFCEmanuel, Montgomery, Treutlen, Wheeler37 min
Jul 15, 4:40 PM EDTSpecial Weather StatementFFCMontgomery, Telfair, Toombs, Wheeler50 min
Jul 15, 4:43 PM EDTSpecial Weather StatementFFCMarion, Schley, Sumter, Webster47 min
Jul 15, 5:05 PM EDTSpecial Weather StatementFFCHouston40 min
Jul 15, 5:27 PM EDTSpecial Weather StatementFFCSchley, Stewart, Sumter, Webster48 min
Jul 15, 5:34 PM EDTSpecial Weather StatementFFCJohnson, Laurens41 min
Jul 15, 6:20 PM EDTSpecial Weather StatementFFCBleckley, Dooly, Houston, Sumter40 min
Jul 15, 7:34 PM EDTSpecial Weather StatementFFCDooly, Pulaski41 min

Nearby

Special Weather Statements in Georgia, 2021Every special weather statement 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.