Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 200, NWS Atlanta, GA

May 29, 2017Clayton County, DeKalb County, Fulton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 29, 2017, 2:56 PM EDT for Clayton County, DeKalb County, Fulton County, Georgia. It was in force for 34 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
May 29, 2017, 2:56 PM EDT (18:56 UTC)
Expired
May 29, 2017, 3:30 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Clayton County, GA, DeKalb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 35 km from the middle of the area, began a volume at 18:56 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
May 29, 3:05 PM EDTTSTM WND DMG1 Sw Golden Acres, GAREPORT VIA TWITTER OF A TREE BLOWN DOWN ON REDWINE RD NEAR PRINCETON LAKES PARKWAY
May 29, 3:08 PM EDTHAIL 0.7Sun Valley, GAREPORTS OF DIME-SIZED HAIL AT THE FAMILY DOLLAR IN EAST POINT

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, 6.9 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 2017-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 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 2017-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -82 square meters per square second.19395878Sfc1 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
27 J/kg
Mixed-layer CIN
-236 J/kg
Mixed-layer LCL
1043 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-82 m²/s²
0-3 km storm-relative helicity
-88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

719 
WUUS52 KFFC 291856
SVRFFC
GAC063-089-121-291930-
/O.NEW.KFFC.SV.W.0200.170529T1856Z-170529T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
256 PM EDT MON MAY 29 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southwestern DeKalb County in north central Georgia...
  Northwestern Clayton County in north central Georgia...
  Southwestern Fulton County in north central Georgia...

* Until 330 PM EDT

* At 256 PM EDT, a severe thunderstorm was located near Union City,
  or 12 miles southeast of Douglasville, moving northeast at 30 mph.

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

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Atlanta, Decatur, East Point, Union City, Forest Park, College
  Park, Fairburn, Hapeville, Hartsfield-Jackson Airport, Midtown,
  Grant Park-Zoo Atlanta, Candler-Mcafee, Druid Hills, Sweet Auburn,
  Piedmont Park, Cascade Heights, Lakewood Park, Campbellton, Conley
  and East Lake.

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 3365 8470 3366 8466 3368 8465 3369 8465
      3368 8464 3370 8463 3386 8441 3367 8422
      3355 8462 3364 8471
TIME...MOT...LOC 1856Z 234DEG 25KT 3363 8458 

HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 2:06 PM EDTSpecial Weather StatementFFCCoweta, Harris, Heard, Meriwether, Troup24 min
May 29, 2:32 PM EDTSpecial Weather StatementFFCTroup28 min
May 29, 2:52 PM EDTSpecial Weather StatementFFCFulton23 min
May 29, 3:02 PM EDTSpecial Weather StatementFFCSchley28 min
May 29, 3:04 PM EDTSpecial Weather StatementFFCCoweta, Meriwether, Troup26 min
May 29, 3:22 PM EDTSpecial Weather StatementFFCDeKalb23 min
May 29, 3:26 PM EDTSpecial Weather StatementFFCStewart34 min
May 29, 3:30 PM EDTSpecial Weather StatementFFCMeriwether30 min
May 29, 3:44 PM EDTSpecial Weather StatementFFCHouston, Peach31 min
May 29, 3:47 PM EDTSpecial Weather StatementFFCClarke28 min
May 29, 3:49 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Marion, Stewart, Webster26 min
May 29, 3:58 PM EDTSpecial Weather StatementFFCLamar, Pike, Spalding, Upson32 min
May 29, 4:01 PM EDTSpecial Weather StatementFFCHenry29 min
May 29, 4:19 PM EDTSpecial Weather StatementFFCWilkes41 min
May 29, 4:22 PM EDTSpecial Weather StatementFFCClarke, Madison38 min
May 29, 4:23 PM EDTSpecial Weather StatementFFCBibb37 min
May 29, 4:31 PM EDTSpecial Weather StatementFFCLamar, Monroe29 min
May 29, 4:54 PM EDTSevere Thunderstorm WarningFFCWilkes36 min
May 29, 4:59 PM EDTSpecial Weather StatementFFCJasper31 min
May 29, 5:03 PM EDTSpecial Weather StatementFFCOglethorpe42 min
May 29, 5:04 PM EDTSpecial Weather StatementFFCCatoosa, Dade, Walker, Whitfield41 min
May 29, 5:05 PM EDTSpecial Weather StatementFFCWarren25 min
May 29, 5:15 PM EDTSpecial Weather StatementFFCGreene, Morgan45 min
May 29, 5:30 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan, Oconee, Oglethorpe45 min
May 29, 5:32 PM EDTSpecial Weather StatementFFCWilkes28 min
May 29, 5:34 PM EDTSpecial Weather StatementFFCBaldwin, Jones26 min
May 29, 5:57 PM EDTSpecial Weather StatementFFCWilkes63 min
May 29, 6:00 PM EDTSpecial Weather StatementFFCHancock30 min
May 29, 6:02 PM EDTSpecial Weather StatementFFCJohnson, Laurens, Treutlen28 min
May 29, 6:04 PM EDTSevere Thunderstorm WarningFFCWilkes41 min
May 29, 6:14 PM EDTSevere Thunderstorm WarningFFCLaurens, Treutlen14 min
May 29, 6:47 PM EDTSpecial Weather StatementFFCTreutlen28 min
May 29, 7:20 PM EDTSpecial Weather StatementFFCCatoosa, Whitfield25 min
May 29, 7:48 PM EDTSpecial Weather StatementFFCMurray27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017

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.