Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

August 20, 20214 counties in Georgia

NWS Tallahassee, FL issued this special weather statement at Aug 20, 2021, 7:13 PM EDT for 4 counties in Georgia. It was in force for 47 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
Aug 20, 2021, 7:13 PM EDT (23:13 UTC)
Expired
Aug 20, 2021, 8:00 PM EDT
In force
47 min
Issued by
NWS Tallahassee, FL
Hail
0.00 in
Wind
50

Counties Dougherty County, GA, Lee County, GA, Randolph County, GA, Terrell County, GA

The radar

The Ft Rucker radar (KEOX), 118 km from the middle of the area, began a volume at 23:13 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.2 hours before the alert went out and 159 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, Tallahassee Rgnl, FL at 12:00Z on 2021-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 675 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, Tallahassee Rgnl, FL at 12:00Z on 2021-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
675 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

921 
WWUS82 KTAE 202313
SPSTAE

Special Weather Statement
National Weather Service Tallahassee FL
713 PM EDT Fri Aug 20 2021
 
GAZ121>127-210000-
Worth GA-Randolph GA-Lee GA-Dougherty GA-Terrell GA-Calhoun GA-
Clay GA-
713 PM EDT Fri Aug 20 2021

...Strong thunderstorms will impact portions of northwestern
Dougherty, northeastern Clay, Randolph, Lee, northern Calhoun,
Terrell Counties in southwestern Georgia and northwestern Worth
Counties in south central Georgia through 800 PM EDT...

At 713 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Cuthbert to near Dawson. Movement was east
at 20 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Albany, Dawson, Leesburg, Cuthbert, Shellman, Smithville, Turner
City, East Albany, Walker, Warwick, Sasser, Bronwood, Parrott,
Stocks, Carnegie, Dawson Municipal A/P, Chambliss, Neyami, Bethel and
Chickasawhatchee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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

&&

LAT...LON 3187 8434 3192 8434 3191 8392 3185 8394
      3184 8386 3180 8380 3147 8428 3167 8502
      3192 8478 3192 8445 3196 8444
TIME...MOT...LOC 2313Z 277DEG 18KT 3179 8483 3169 8443 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 20, 3:34 PM EDTSevere Thunderstorm WarningTAEWalton56 min
Aug 20, 4:38 PM EDTSpecial Weather StatementTAEHolmes, Washington67 min
Aug 20, 5:37 PM EDTSpecial Weather StatementTAECalhoun, Liberty38 min
Aug 20, 6:00 PM EDTSevere Thunderstorm WarningTAECalhoun, Liberty30 min
Aug 20, 7:19 PM EDTSpecial Weather StatementTAEWakulla41 min
Aug 20, 3:31 PM EDTSpecial Weather StatementTAECoffee, Dale, Geneva59 min
Aug 20, 4:31 PM EDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Houston44 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.