Alert archive / Georgia / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 340, NWS Atlanta, GA

August 30, 2020Dooly County, Houston County, Pulaski County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 30, 2020, 5:01 PM EDT for Dooly County, Houston County, Pulaski County, Georgia. It was in force for 29 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 30, 2020, 5:01 PM EDT (21:01 UTC)
Expired
Aug 30, 2020, 5:30 PM EDT
In force
29 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dooly County, GA, Houston County, GA, Pulaski County, GA

The radar

The Robins AFB radar (KJGX), 52 km from the middle of the area, began a volume at 21:01 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.

What was reported inside it

TimeReportWhereRemark
Aug 30, 5:25 PM EDTTSTM WND DMG1 Nne Unadilla, GATREE DOWN NEAR HARMON PARK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.0 hours before the alert went out and 149 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 2020-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1183 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 2020-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
1183 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
694 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

386 
WUUS52 KFFC 302101
SVRFFC
GAC093-153-235-302130-
/O.NEW.KFFC.SV.W.0340.200830T2101Z-200830T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
501 PM EDT Sun Aug 30 2020

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Western Pulaski County in central Georgia...
  Northeastern Dooly County in central Georgia...
  Southeastern Houston County in central Georgia...

* Until 530 PM EDT.

* At 501 PM EDT, a severe thunderstorm was located near Browndale, or
  9 miles west of Hawkinsville, moving north at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Hawkinsville, Unadilla, Hayneville, Browndale, Grovania, Elko, Mock
  Springs and Klondike.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.

&&

LAT...LON 3217 8354 3219 8372 3228 8374 3241 8366
      3236 8352 3224 8349
TIME...MOT...LOC 2101Z 192DEG 11KT 3228 8363 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 4:17 PM EDTSpecial Weather StatementFFCChattooga28 min
Aug 30, 4:22 PM EDTSpecial Weather StatementFFCStewart38 min
Aug 30, 4:36 PM EDTSpecial Weather StatementFFCHouston24 min
Aug 30, 4:40 PM EDTSevere Thunderstorm WarningFFCDooly, Houston, Macon35 min
Aug 30, 4:45 PM EDTSpecial Weather StatementFFCTaylor30 min
Aug 30, 4:46 PM EDTSpecial Weather StatementFFCTalbot29 min
Aug 30, 4:48 PM EDTSpecial Weather StatementFFCSumter27 min
Aug 30, 5:13 PM EDTSpecial Weather StatementFFCMarion, Schley32 min
Aug 30, 5:14 PM EDTSpecial Weather StatementFFCChattooga31 min
Aug 30, 5:19 PM EDTSpecial Weather StatementFFCUpson41 min
Aug 30, 5:21 PM EDTSpecial Weather StatementFFCDade24 min
Aug 30, 5:31 PM EDTSpecial Weather StatementFFCUpson29 min
Aug 30, 5:47 PM EDTSpecial Weather StatementFFCMacon, Marion, Schley58 min
Aug 30, 6:29 PM EDTSpecial Weather StatementFFCTwiggs31 min
Aug 30, 6:31 PM EDTSpecial Weather StatementFFCJones29 min
Aug 30, 6:36 PM EDTSpecial Weather StatementFFCPolk24 min
Aug 30, 6:36 PM EDTSevere Thunderstorm WarningFFCClayton, Fulton26 min
Aug 30, 6:46 PM EDTSpecial Weather StatementFFCTroup29 min
Aug 30, 6:49 PM EDTSpecial Weather StatementFFCButts, Henry26 min
Aug 30, 7:09 PM EDTSpecial Weather StatementFFCJasper36 min
Aug 30, 7:31 PM EDTSpecial Weather StatementFFCGwinnett29 min
Aug 30, 7:41 PM EDTSpecial Weather StatementFFCCherokee34 min
Aug 30, 7:54 PM EDTSevere Thunderstorm WarningFFCCherokee, Cobb, Fulton23 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2020Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.