Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 18, 2021Toombs County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 18, 2021, 5:34 PM EDT for Toombs County, Georgia. It was in force for 26 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 18, 2021, 5:34 PM EDT (21:34 UTC)
Expired
Jul 18, 2021, 6:00 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Wind
40

County Toombs County, GA

The radar

The Robins AFB radar (KJGX), 124 km from the middle of the area, began a volume at 21:35 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

Jacksonville, FL (KJAX), launched 12:00Z, 9.6 hours before the alert went out and 173 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, Jacksonville, FL at 12:00Z on 2021-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1226 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, Jacksonville, FL at 12:00Z on 2021-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1226 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
954 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

710 
WWUS82 KFFC 182134
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
534 PM EDT Sun Jul 18 2021
 
GAZ113-182200-
Toombs GA-
534 PM EDT Sun Jul 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN TOOMBS COUNTY UNTIL 600
PM EDT...

At 534 PM EDT...a strong thunderstorm was over Plant Hatch...moving
northeast at 25 mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground 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
English Eddy, Toombs Central, Cedar Crossing and Grays Landing. 

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 3193 8226 3194 8228 3193 8230 3195 8231
      3193 8231 3194 8238 3196 8238 3195 8239
      3196 8241 3195 8240 3197 8243 3196 8245
      3197 8247 3205 8247 3207 8220 3192 8223
      3191 8225
TIME...MOT...LOC 2134Z 232DEG 24KT 3195 8231 

WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 8:04 PM EDTSpecial Weather StatementFFCMadison26 min
Jul 17, 8:30 PM EDTSpecial Weather StatementFFCToombs30 min
Jul 17, 8:52 PM EDTSpecial Weather StatementFFCToombs23 min
Jul 18, 11:15 AM EDTSpecial Weather StatementFFCEmanuel30 min
Jul 18, 11:20 AM EDTSevere Thunderstorm WarningFFCEmanuel25 min
Jul 18, 5:00 PM EDTSpecial Weather StatementFFCEmanuel30 min
Jul 18, 5:04 PM EDTSpecial Weather StatementFFCDodge26 min
Jul 18, 5:10 PM EDTSevere Thunderstorm WarningFFCDodge, Wilcox50 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.