Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 201, NWS Atlanta, GA

July 11, 2016Clayton County, Fayette County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 11, 2016, 6:13 PM EDT for Clayton County, Fayette County, Georgia. It was in force for 32 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
Jul 11, 2016, 6:13 PM EDT (22:13 UTC)
Expired
Jul 11, 2016, 6:45 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Clayton County, GA, Fayette County, GA

The radar

The Atlanta radar (KFFC), 28 km from the middle of the area, began a volume at 22:14 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
Jul 11, 6:30 PM EDTTSTM WND DMGForest Park, GA911 CALL CENTER RECEIVED REPORT OF ONE TREE DOWN IN FOREST PARK...ONE TREE DOWN ON TERRACE PARKWAY IN MORROW...ONE TREE DOWN ON MCDONOUGH ROAD NEAR FAYETTEVILLE/FAYETTE COUNTY BORDER...AND ONE TREE DOWN ON MITCHELL ROAD NEAR ELLENWOOD

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, 10.2 hours before the alert went out and 24 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 2016-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 2016-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
133 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
1028 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

225 
WUUS52 KFFC 112213
SVRFFC
GAC063-113-112245-
/O.NEW.KFFC.SV.W.0201.160711T2213Z-160711T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
613 PM EDT MON JUL 11 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLAYTON COUNTY IN NORTH CENTRAL GEORGIA...
  NORTHEASTERN FAYETTE COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 645 PM EDT

* AT 613 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER JONESBORO...
  MOVING NORTHEAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  FAYETTEVILLE...JONESBORO...FOREST PARK...RIVERDALE...COLLEGE
  PARK... TYRONE...MORROW...LOVEJOY...HAPEVILLE...LAKE
  CITY...HARTSFIELD-JACKSON
  AIRPORT...IRONDALE...CONLEY...BONANZA...JW SMITH RESERVOIR...FORT
  GILLEM...REX...SANDY CREEK...LAKE SPIVEY AND ELLENWOOD.

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 3351 8459 3355 8446 3365 8446 3364 8445
      3365 8444 3365 8429 3363 8426 3361 8426
      3360 8424 3358 8426 3355 8427 3355 8429
      3352 8428 3347 8429 3343 8432 3343 8435
      3339 8436
TIME...MOT...LOC 2213Z 228DEG 20KT 3352 8439 

HAIL...0.75IN
WIND...60MPH
 
$$
1 follow-up statement
581 
WWUS52 KFFC 112236
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
636 PM EDT MON JUL 11 2016

GAC113-112245-
/O.CAN.KFFC.SV.W.0201.000000T0000Z-160711T2245Z/
FAYETTE GA-
636 PM EDT MON JUL 11 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FAYETTE COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED. MULTIPLE REPORTS OF
TREES DOWN AND DAMAGE HAVE BEEN RECEIVED.

LAT...LON 3361 8445 3365 8439 3365 8429 3363 8426
      3361 8426 3360 8424 3358 8426 3355 8427
      3355 8429 3353 8429 3352 8428 3347 8429
      3346 8432 3354 8444 3355 8444 3356 8446
TIME...MOT...LOC 2235Z 228DEG 20KT 3360 8428 

$$

GAC063-112245-
/O.CON.KFFC.SV.W.0201.000000T0000Z-160711T2245Z/
CLAYTON GA-
636 PM EDT MON JUL 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CLAYTON COUNTY...

AT 635 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAKE CITY...OR 7
MILES NORTHEAST OF JONESBORO...MOVING NORTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. MULTIPLE REPORTS OF
TREES DOWN AND DAMAGE HAVE BEEN RECEIVED.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JONESBORO...FOREST PARK...RIVERDALE...COLLEGE PARK...MORROW...LAKE CITY...
CONLEY...FORT GILLEM...REX...LAKE SPIVEY...ELLENWOOD AND IRONDALE.

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 3361 8445 3365 8439 3365 8429 3363 8426
      3361 8426 3360 8424 3358 8426 3355 8427
      3355 8429 3353 8429 3352 8428 3347 8429
      3346 8432 3354 8444 3355 8444 3356 8446
TIME...MOT...LOC 2235Z 228DEG 20KT 3360 8428 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 3:24 PM EDTSpecial Weather StatementFFCWebster36 min
Jul 11, 3:39 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Stewart, Sumter, Webster51 min
Jul 11, 4:41 PM EDTSpecial Weather StatementFFCHarris34 min
Jul 11, 5:08 PM EDTSevere Thunderstorm WarningFFCHarris, Meriwether, Talbot, Troup52 min
Jul 11, 5:10 PM EDTSpecial Weather StatementFFCTroup35 min
Jul 11, 5:31 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether, Troup44 min
Jul 11, 6:02 PM EDTSpecial Weather StatementFFCFulton28 min
Jul 11, 6:06 PM EDTSpecial Weather StatementFFCCobb39 min
Jul 11, 6:12 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Forsyth, Fulton, Paulding48 min
Jul 11, 6:16 PM EDTSevere Thunderstorm WarningFFCHenry29 min
Jul 11, 6:31 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett, Newton, Rockdale, Walton29 min
Jul 11, 7:01 PM EDTSpecial Weather StatementFFCBartow, Cherokee, Dawson, Floyd, Forsyth, Gordon and 3 more44 min
Jul 11, 7:01 PM EDTSevere Thunderstorm WarningFFCBarrow, DeKalb, Gwinnett, Newton, Rockdale, Walton29 min
Jul 11, 7:09 PM EDTSevere Thunderstorm WarningFFCCherokee, Pickens36 min
Jul 11, 7:33 PM EDTSpecial Weather StatementFFCBarrow, Gwinnett, Jackson, Oconee, Walton27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016Every severe thunderstorm warning in 2016

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.