Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 150, NWS Atlanta, GA

June 22, 20187 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 22, 2018, 7:22 PM EDT for 7 counties in Georgia. It was in force for 53 min. 2 reports 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
Jun 22, 2018, 7:22 PM EDT (23:22 UTC)
Expired
Jun 22, 2018, 8:15 PM EDT
In force
53 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Butts County, GA, Clayton County, GA, Fayette County, GA, Henry County, GA, Newton County, GA, Rockdale County, GA, Spalding County, GA

The radar

The Atlanta radar (KFFC), 42 km from the middle of the area, began a volume at 23:23 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
Jun 22, 7:35 PM EDTTSTM WND DMG1 Nnw Sunny Side, GAONE TREE DOWN NEAR MALIER ROAD AND 41
Jun 22, 7:38 PM EDTTSTM WND DMGHampton, GAMULTIPLE TREES DOWN CONCENTRATED BETWEEN THE ATLANTA MOTOR SPEEDWAY/HAMPTON TO MCDONOUGH. ADDITIONAL TREES DOWN IN STOCKBRIDGE.

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, 11.4 hours before the alert went out and 35 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 2018-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 2018-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
55 J/kg
Mixed-layer CIN
-234 J/kg
Mixed-layer LCL
1478 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

650 
WUUS52 KFFC 222322
SVRFFC
GAC035-063-113-151-217-247-255-230015-
/O.NEW.KFFC.SV.W.0150.180622T2322Z-180623T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
722 PM EDT FRI JUN 22 2018

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Spalding County in west central Georgia...
  Southern Rockdale County in north central Georgia...
  Eastern Fayette County in north central Georgia...
  Henry County in north central Georgia...
  Butts County in central Georgia...
  Central Clayton County in north central Georgia...
  Newton County in north central Georgia...

* Until 815 PM EDT.

* At 722 PM EDT, severe thunderstorms were located along a line
  extending from Fayetteville to Woolsey to near Digbey, moving east
  at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Griffin, McDonough, Fayetteville, Conyers, Covington, Jackson,
  Jonesboro, Stockbridge, Riverdale, Hampton, Morrow, Lovejoy, Locust
  Grove, Oxford, Porterdale, Flovilla, Jenkinsburg, Woolsey, Sunny
  Side and East Griffin.

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 3337 8440 3353 8447 3369 8383 3346 8379
      3344 8380 3341 8385 3339 8383 3337 8386
      3334 8386 3333 8385 3321 8390 3320 8439
      3321 8440 3321 8445 3320 8446 3320 8448
TIME...MOT...LOC 2322Z 247DEG 40KT 3346 8445 3336 8440 3322 8445 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
276 
WWUS52 KFFC 222353
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
753 PM EDT FRI JUN 22 2018

GAC063-113-255-230003-
/O.CAN.KFFC.SV.W.0150.000000T0000Z-180623T0015Z/
Spalding GA-Fayette GA-Clayton GA-
753 PM EDT FRI JUN 22 2018

...THE SEVERE THUNDERSTORM WARNING FOR SPALDING...EASTERN FAYETTE AND
CENTRAL CLAYTON COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3369 8383 3346 8379 3344 8380 3344 8382
      3341 8385 3339 8383 3337 8386 3336 8386
      3331 8415 3333 8415 3334 8417 3352 8420
TIME...MOT...LOC 2353Z 249DEG 42KT 3353 8410 3347 8402 3333 8407 

$$

GAC035-151-217-247-230015-
/O.CON.KFFC.SV.W.0150.000000T0000Z-180623T0015Z/
Rockdale GA-Henry GA-Butts GA-Newton GA-
753 PM EDT FRI JUN 22 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHEASTERN ROCKDALE...CENTRAL HENRY...NORTHEASTERN BUTTS AND
NEWTON COUNTIES...

At 753 PM EDT, severe thunderstorms were located along a line
extending from Kelleytown to near Ola to Jenkinsburg, moving east at
50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
McDonough, Covington, Stockbridge, Locust Grove, Oxford, Porterdale,
Jenkinsburg, Stewart, Blacksville, Ola, Magnet, Worthville, Almon,
Flippen, Fincherville, Kelleytown, Oak Hill and Rocky Plains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3369 8383 3346 8379 3344 8380 3344 8382
      3341 8385 3339 8383 3337 8386 3336 8386
      3331 8415 3333 8415 3334 8417 3352 8420
TIME...MOT...LOC 2353Z 249DEG 42KT 3353 8410 3347 8402 3333 8407 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:21 PM EDTSpecial Weather StatementFFCEmanuel24 min
Jun 22, 3:04 PM EDTSpecial Weather StatementFFCCatoosa41 min
Jun 22, 3:39 PM EDTSpecial Weather StatementFFCCatoosa51 min
Jun 22, 4:04 PM EDTSpecial Weather StatementFFCHaralson, Paulding41 min
Jun 22, 4:06 PM EDTSpecial Weather StatementFFCMorgan, Newton39 min
Jun 22, 4:22 PM EDTSpecial Weather StatementFFCWhitfield23 min
Jun 22, 4:48 PM EDTSpecial Weather StatementFFCCobb42 min
Jun 22, 4:49 PM EDTSpecial Weather StatementFFCFannin41 min
Jun 22, 5:08 PM EDTSpecial Weather StatementFFCDawson, Forsyth52 min
Jun 22, 5:13 PM EDTSevere Thunderstorm WarningFFCCherokee, Forsyth, Fulton, Gwinnett, Hall32 min
Jun 22, 5:17 PM EDTSpecial Weather StatementFFCCobb, Douglas, Paulding28 min
Jun 22, 5:26 PM EDTSpecial Weather StatementFFCDeKalb, Gwinnett49 min
Jun 22, 5:29 PM EDTSpecial Weather StatementFFCOglethorpe46 min
Jun 22, 5:36 PM EDTSevere Thunderstorm WarningFFCCobb, Douglas, Fulton24 min
Jun 22, 5:38 PM EDTSevere Thunderstorm WarningFFCDawson, Forsyth, Hall, Lumpkin37 min
Jun 22, 5:39 PM EDTSpecial Weather StatementFFCDouglas51 min
Jun 22, 5:46 PM EDTSpecial Weather StatementFFCGreene, Wilkes44 min
Jun 22, 5:51 PM EDTSpecial Weather StatementFFCTroup39 min
Jun 22, 5:56 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Douglas, Fulton49 min
Jun 22, 6:00 PM EDTSpecial Weather StatementFFCDeKalb45 min
Jun 22, 6:10 PM EDTSpecial Weather StatementFFCBanks, Barrow, Jackson50 min
Jun 22, 6:15 PM EDTSevere Thunderstorm WarningFFCCoweta, Meriwether, Troup45 min
Jun 22, 6:28 PM EDTSpecial Weather StatementFFCHeard32 min
Jun 22, 6:33 PM EDTSevere Thunderstorm WarningFFCCoweta, Heard27 min
Jun 22, 6:38 PM EDTSpecial Weather StatementFFCDeKalb, Rockdale, Walton37 min
Jun 22, 6:51 PM EDTSpecial Weather StatementFFCBarrow, Clarke, Jackson, Oconee39 min
Jun 22, 6:55 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette, Heard, Lamar, Meriwether, Pike and 1 more35 min
Jun 22, 7:03 PM EDTSpecial Weather StatementFFCClayton42 min
Jun 22, 7:09 PM EDTSpecial Weather StatementFFCOconee, Walton51 min
Jun 22, 7:18 PM EDTSpecial Weather StatementFFCOglethorpe27 min
Jun 22, 7:32 PM EDTSpecial Weather StatementFFCCatoosa, Dade, Walker, Whitfield43 min
Jun 22, 7:55 PM EDTSpecial Weather StatementFFCOglethorpe, Wilkes35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2018Every severe thunderstorm warning in 2018

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.