Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 32, NWS Atlanta, GA

May 1, 20165 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 1, 2016, 5:24 PM EDT for 5 counties in Georgia. It was in force for 36 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
May 1, 2016, 5:24 PM EDT (21:24 UTC)
Expired
May 1, 2016, 6:00 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties DeKalb County, GA, Gwinnett County, GA, Newton County, GA, Rockdale County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 63 km from the middle of the area, began a volume at 21:23 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
May 1, 5:28 PM EDTTSTM WND DMG1 E Belmont, GAMULTIPLE TREES DOWN BETWEEN BELMONT AND LITHONIA. TIME ESTIMATED FROM RADAR.

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, 9.4 hours before the alert went out and 58 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 2016-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 447 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 2016-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
447 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

612 
WUUS52 KFFC 012124
SVRFFC
GAC089-135-217-247-297-012200-
/O.NEW.KFFC.SV.W.0032.160501T2124Z-160501T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
524 PM EDT SUN MAY 1 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN WALTON COUNTY IN NORTH CENTRAL GEORGIA...
  SOUTHEASTERN GWINNETT COUNTY IN NORTH CENTRAL GEORGIA...
  NORTHEASTERN ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA...
  EAST CENTRAL DEKALB COUNTY IN NORTH CENTRAL GEORGIA...
  NORTH CENTRAL NEWTON COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 600 PM EDT

* AT 524 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LITHONIA...OR
  8 MILES NORTHWEST OF CONYERS...MOVING EAST AT 30 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CONYERS...SNELLVILLE...LOGANVILLE...STONE MOUNTAIN...LITHONIA...WALNUT
  GROVE...LAKEVIEW ESTATES...MOUNTAIN PARK...GUM CREEK...BELMONT...
  MILSTEAD...BIG HAYNES CREEK PARK...REDAN...ROSEBUD AND YOUTH.

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 3372 8419 3381 8418 3390 8386 3366 8385
      3371 8414
TIME...MOT...LOC 2124Z 264DEG 26KT 3377 8411 

HAIL...1.00IN
WIND...<50MPH
 
$$
2 follow-up statements
869 
WWUS52 KFFC 012144
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
544 PM EDT SUN MAY 1 2016

GAC089-135-012154-
/O.CAN.KFFC.SV.W.0032.000000T0000Z-160501T2200Z/
GWINNETT GA-DEKALB GA-
544 PM EDT SUN MAY 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GWINNETT AND EAST
CENTRAL DEKALB COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3373 8385 3366 8385 3368 8395 3371 8404
      3376 8401 3377 8400 3383 8386
TIME...MOT...LOC 2144Z 270DEG 22KT 3374 8400 

$$

GAC217-247-297-012200-
/O.CON.KFFC.SV.W.0032.000000T0000Z-160501T2200Z/
WALTON GA-ROCKDALE GA-NEWTON GA-
544 PM EDT SUN MAY 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR WEST CENTRAL WALTON...NORTHEASTERN ROCKDALE AND NORTH CENTRAL
NEWTON COUNTIES...

AT 544 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAKEVIEW
ESTATES...OR NEAR CONYERS...MOVING EAST AT 25 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CONYERS...LOGANVILLE...WALNUT GROVE...LAKEVIEW ESTATES...GUM CREEK...BIG
HAYNES CREEK PARK AND YOUTH.

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 3373 8385 3366 8385 3368 8395 3371 8404
      3376 8401 3377 8400 3383 8386
TIME...MOT...LOC 2144Z 270DEG 22KT 3374 8400 

HAIL...1.00IN
WIND...<50MPH
 
$$
358 
WWUS52 KFFC 012151
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
551 PM EDT SUN MAY 1 2016

GAC217-247-297-012200-
/O.EXP.KFFC.SV.W.0032.000000T0000Z-160501T2200Z/
WALTON GA-ROCKDALE GA-NEWTON GA-
551 PM EDT SUN MAY 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL WALTON...
NORTHEASTERN ROCKDALE AND NORTH CENTRAL NEWTON COUNTIES WILL EXPIRE
AT 600 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3373 8385 3366 8385 3368 8395 3371 8404
      3376 8401 3377 8400 3383 8386
TIME...MOT...LOC 2146Z 264DEG 26KT 3374 8400 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 8:00 PM EDTSpecial Weather StatementFFCGilmer, Gordon, Murray45 min
Apr 30, 8:28 PM EDTSpecial Weather StatementFFCHenry, Rockdale32 min
Apr 30, 8:57 PM EDTSpecial Weather StatementFFCBarrow, Clarke, Jackson, Morgan, Newton, Oconee and 1 more48 min
May 1, 1:50 AM EDTSpecial Weather StatementFFCCoweta, Fayette25 min
May 1, 1:55 AM EDTSpecial Weather StatementFFCFulton35 min
May 1, 2:31 AM EDTSpecial Weather StatementFFCCherokee, Forsyth29 min
May 1, 2:47 AM EDTSpecial Weather StatementFFCHenry28 min
May 1, 3:10 AM EDTSpecial Weather StatementFFCGwinnett, Rockdale35 min
May 1, 3:12 AM EDTSpecial Weather StatementFFCHall33 min
May 1, 2:51 PM EDTSpecial Weather StatementFFCCobb, Paulding24 min
May 1, 3:12 PM EDTSpecial Weather StatementFFCCobb48 min
May 1, 3:29 PM EDTSpecial Weather StatementFFCDawson31 min
May 1, 3:47 PM EDTSpecial Weather StatementFFCDeKalb28 min
May 1, 3:59 PM EDTSpecial Weather StatementFFCCobb31 min
May 1, 4:30 PM EDTSpecial Weather StatementFFCFulton45 min
May 1, 5:09 PM EDTSpecial Weather StatementFFCDeKalb36 min
May 1, 5:51 PM EDTSpecial Weather StatementFFCPulaski24 min
May 1, 6:09 PM EDTSpecial Weather StatementFFCFannin36 min
May 1, 6:35 PM EDTSpecial Weather StatementFFCMorgan25 min
May 1, 6:53 PM EDTSpecial Weather StatementFFCChattooga37 min
May 1, 7:11 PM EDTSpecial Weather StatementFFCCoweta34 min
May 1, 7:28 PM EDTSpecial Weather StatementFFCBartow32 min
May 1, 7:55 PM EDTSpecial Weather StatementFFCCherokee35 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.