Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

June 19, 2021Harris County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 19, 2021, 9:00 PM EDT for Harris County, Georgia. It was in force for 30 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 19, 2021, 9:00 PM EDT (01:00 UTC)
Expired
Jun 19, 2021, 9:30 PM EDT
In force
30 min
Issued by
NWS Atlanta, GA

County Harris County, GA

The radar

The Atlanta radar (KFFC), 76 km from the middle of the area, began a volume at 01:04 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, 1.0 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 00:00Z on 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 252 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 340 square meters per square second.193958Sfc1 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
252 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
340 m²/s²
0-3 km storm-relative helicity
516 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

726 
WWUS82 KFFC 200100
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
900 PM EDT Sat Jun 19 2021
 
GAZ066-067-078-200130-
Harris GA-Troup GA-Meriwether GA-
900 PM EDT Sat Jun 19 2021

...SIGNIFICANT WEATHER ADVISORY FOR HARRIS...SOUTHEASTERN TROUP AND
SOUTHWESTERN MERIWETHER COUNTIES UNTIL 930 PM EDT...

At 900 PM EDT...National Weather Service doppler radar indicated a
strong storm within a tropical rain band over Hamilton...moving north
at 35 mph.

  HAZARD...enhanced risk of a brief tornado.

  IMPACT...Storms embedded within a tropical rainband have exhibited 
           localized rotation. A brief tornado could quickly form.

Some locations in the path of this storm include
Hamilton, Pine Mountain, F.d. Roosevelt State Park, Cataula, Durand,
Fortson and Mulberry Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately.

LAT...LON 3261 8489 3261 8496 3265 8502 3297 8495
      3294 8474 3276 8481
TIME...MOT...LOC 0100Z 198DEG 30KT 3276 8491 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:05 PM EDTSpecial Weather StatementFFCMonroe25 min
Jun 19, 9:21 PM EDTSpecial Weather StatementFFCTreutlen24 min
Jun 19, 9:32 PM EDTTornado WarningFFCEmanuel, Johnson, Laurens, Treutlen28 min
Jun 19, 10:10 PM EDTSpecial Weather StatementFFCMarion35 min
Jun 19, 10:22 PM EDTSpecial Weather StatementFFCChattooga38 min
Jun 19, 10:53 PM EDTSpecial Weather StatementFFCJefferson37 min
Jun 19, 10:57 PM EDTSpecial Weather StatementFFCCrawford, Taylor48 min
Jun 19, 11:15 PM EDTFlash Flood WarningFFCChattooga10 hr
Jun 19, 11:47 PM EDTSpecial Weather StatementFFCMacon, Peach28 min
Jun 20, 2:00 AM EDTSpecial Weather StatementFFCHarris, Muscogee30 min
Jun 20, 2:36 AM EDTSpecial Weather StatementFFCChattahoochee, Stewart24 min
Jun 20, 3:02 AM EDTSpecial Weather StatementFFCChattahoochee, Marion, Stewart28 min
Jun 20, 3:22 AM EDTTornado WarningFFCChattahoochee, Marion, Schley, Taylor23 min
Jun 20, 3:33 AM EDTSpecial Weather StatementFFCStewart27 min
Jun 20, 3:46 AM EDTSpecial Weather StatementFFCTaylor29 min
Jun 20, 4:02 AM EDTSpecial Weather StatementFFCMarion, Schley, Stewart, Webster28 min
Jun 20, 4:12 AM EDTTornado WarningFFCMacon, Marion, Schley, Sumter, Webster33 min
Jun 20, 5:36 AM EDTSpecial Weather StatementFFCDooly, Sumter24 min
Jun 20, 6:39 AM EDTSpecial Weather StatementFFCHancock, Warren36 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.