Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 77, NWS Atlanta, GA

May 26, 20158 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 26, 2015, 4:25 PM EDT for 8 counties in Georgia. It was in force for 50 min. 3 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 26, 2015, 4:25 PM EDT (20:25 UTC)
Expired: May 26, 2015, 5:15 PM EDT
In force: 50 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clayton County, GA, DeKalb County, GA, Fayette County, GA, Fulton County, GA, Gwinnett County, GA, Henry County, GA, Rockdale County, GA, Spalding County, GA

The radar

The Atlanta radar (KFFC), 38 km from the middle of the area, began a volume at 20:27 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

Time	Report	Where	Remark
May 26, 4:30 PM EDT	TSTM WND DMG	Stoney Brook Plantation, GA	TREE DOWN BLOCKING ROAD AT CLEAR SPRINGS LANE AND SMOKERISE POINT. TIME ESTIMATED FROM RADAR.
May 26, 4:36 PM EDT	TSTM WND DMG	1 Nne Bear Creek Landin, GA	TREES DOWN IN CLAYTON COUNTY BLOCKING ROADS. INNMAN ROAD AND PANHANDLE ROAD...RIVERDALE RD AND EAST FAYETTEVILLE ROAD.
May 26, 4:45 PM EDT	TSTM WND DMG	3 Ne Mount Carmel Estat, GA	A TREE BLEW DOWN AT THE INTERSECTION CHAMBERS AND JONESBORO RD.

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, 8.4 hours before the alert went out and 33 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 485 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 586 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

020 
WUUS52 KFFC 262025
SVRFFC
GAC063-089-113-121-135-151-247-255-262115-
/O.NEW.KFFC.SV.W.0077.150526T2025Z-150526T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
425 PM EDT TUE MAY 26 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN GWINNETT COUNTY IN NORTH CENTRAL GEORGIA...
  ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA...
  CENTRAL SPALDING COUNTY IN WEST CENTRAL GEORGIA...
  DEKALB COUNTY IN NORTH CENTRAL GEORGIA...
  CLAYTON COUNTY IN NORTH CENTRAL GEORGIA...
  SOUTH CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA...
  HENRY COUNTY IN NORTH CENTRAL GEORGIA...
  FAYETTE COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 515 PM EDT

* AT 424 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR TYRONE TO NEAR WOOLSEY...MOVING NORTHEAST AT 65
  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. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ATLANTA...GRIFFIN...MCDONOUGH...DECATUR...FAYETTEVILLE...CONYERS...
  JONESBORO...PEACHTREE CITY...EAST POINT...STOCKBRIDGE...UNION
  CITY...FOREST PARK...SNELLVILLE...RIVERDALE...COLLEGE PARK...
  FAIRBURN...LILBURN...CHAMBLEE...DORAVILLE AND CLARKSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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 3387 8441 3393 8406 3367 8392 3352 8405
      3351 8404 3320 8433 3336 8459 3343 8462
TIME...MOT...LOC 2024Z 203DEG 55KT 3347 8456 3337 8436 

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

2 follow-up statements

261 
WWUS52 KFFC 262049
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
449 PM EDT TUE MAY 26 2015

GAC113-255-262059-
/O.CAN.KFFC.SV.W.0077.000000T0000Z-150526T2115Z/
SPALDING GA-FAYETTE GA-
449 PM EDT TUE MAY 26 2015

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

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3387 8441 3393 8406 3367 8392 3352 8405
      3351 8404 3334 8420 3350 8442 3355 8444
      3354 8449 3358 8455
TIME...MOT...LOC 2049Z 211DEG 40KT 3370 8440 3351 8411 

$$

GAC063-089-121-135-151-247-262115-
/O.CON.KFFC.SV.W.0077.000000T0000Z-150526T2115Z/
GWINNETT GA-ROCKDALE GA-DEKALB GA-CLAYTON GA-FULTON GA-HENRY GA-
449 PM EDT TUE MAY 26 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHWESTERN GWINNETT...ROCKDALE...DEKALB...CLAYTON...SOUTH
CENTRAL FULTON AND CENTRAL HENRY COUNTIES...

AT 449 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR EAST POINT TO NEAR MCDONOUGH...MOVING NORTHEAST
AT 45 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. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ATLANTA...MCDONOUGH...DECATUR...CONYERS...JONESBORO...EAST POINT...
STOCKBRIDGE...UNION CITY...FOREST PARK...SNELLVILLE...RIVERDALE...
COLLEGE PARK...LILBURN...CHAMBLEE...DORAVILLE...CLARKSTON...
HAMPTON...MORROW...LOVEJOY AND HAPEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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 3387 8441 3393 8406 3367 8392 3352 8405
      3351 8404 3334 8420 3350 8442 3355 8444
      3354 8449 3358 8455
TIME...MOT...LOC 2049Z 211DEG 40KT 3370 8440 3351 8411 

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

945 
WWUS52 KFFC 262106
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
506 PM EDT TUE MAY 26 2015

GAC063-121-262116-
/O.CAN.KFFC.SV.W.0077.000000T0000Z-150526T2115Z/
CLAYTON GA-FULTON GA-
506 PM EDT TUE MAY 26 2015

...THE SEVERE THUNDERSTORM WARNING FOR CLAYTON AND SOUTH CENTRAL
FULTON COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3389 8430 3393 8406 3367 8392 3352 8405
      3351 8404 3353 8411 3354 8419 3358 8426
      3360 8424 3361 8426 3363 8426 3365 8429
      3365 8433
TIME...MOT...LOC 2106Z 203DEG 55KT 3393 8429 3374 8399 

$$

GAC089-135-151-247-262115-
/O.CON.KFFC.SV.W.0077.000000T0000Z-150526T2115Z/
GWINNETT GA-ROCKDALE GA-DEKALB GA-HENRY GA-
506 PM EDT TUE MAY 26 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHWESTERN GWINNETT...ROCKDALE...DEKALB AND NORTH CENTRAL HENRY
COUNTIES...

AT 506 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM DORAVILLE TO NEAR LAKEVIEW ESTATES...MOVING NORTHEAST
AT 65 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. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ATLANTA...DECATUR...CONYERS...SNELLVILLE...LILBURN...CHAMBLEE...
DORAVILLE...CLARKSTON...STONE MOUNTAIN...AVONDALE ESTATES...
LITHONIA...PINE LAKE...NORTH DECATUR...CANDLER-MCAFEE...BELVEDERE
PARK...GEORGIA INTERNATIONAL HORSE PARK...LAKEVIEW ESTATES...
TUCKER...DRUID HILLS AND NORTH DRUID HILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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 3389 8430 3393 8406 3367 8392 3352 8405
      3351 8404 3353 8411 3354 8419 3358 8426
      3360 8424 3361 8426 3363 8426 3365 8429
      3365 8433
TIME...MOT...LOC 2106Z 203DEG 55KT 3393 8429 3374 8399 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:01 PM EDT	Special Weather Statement	FFC	Spalding	29 min
May 25, 8:30 PM EDT	Special Weather Statement	FFC	Henry, Rockdale	30 min
May 25, 8:56 PM EDT	Special Weather Statement	FFC	DeKalb, Gwinnett	34 min
May 25, 9:30 PM EDT	Special Weather Statement	FFC	Barrow, Walton	30 min
May 25, 9:59 PM EDT	Special Weather Statement	FFC	Banks, Barrow, Hall, Jackson	31 min
May 26, 1:00 PM EDT	Special Weather Statement	FFC	Upson	30 min
May 26, 1:27 PM EDT	Special Weather Statement	FFC	Carroll	33 min
May 26, 1:31 PM EDT	Special Weather Statement	FFC	Lamar	29 min
May 26, 1:52 PM EDT	Special Weather Statement	FFC	Haralson	23 min
May 26, 2:04 PM EDT	Special Weather Statement	FFC	Bartow	26 min
May 26, 2:14 PM EDT	Flash Flood Warning	FFC	Carroll, Coweta, Douglas, Heard	6 hr
May 26, 2:16 PM EDT	Special Weather Statement	FFC	Carroll, Paulding	29 min
May 26, 2:37 PM EDT	Severe Thunderstorm Warning	FFC	Heard	38 min
May 26, 2:39 PM EDT	Special Weather Statement	FFC	Butts	36 min
May 26, 2:42 PM EDT	Special Weather Statement	FFC	Pickens	33 min
May 26, 2:43 PM EDT	Special Weather Statement	FFC	Webster	32 min
May 26, 2:45 PM EDT	Special Weather Statement	FFC	Upson	30 min
May 26, 2:48 PM EDT	Special Weather Statement	FFC	Carroll	27 min
May 26, 2:49 PM EDT	Special Weather Statement	FFC	Paulding	26 min
May 26, 2:51 PM EDT	Special Weather Statement	FFC	Chattahoochee	24 min
May 26, 3:15 PM EDT	Special Weather Statement	FFC	Muscogee	30 min
May 26, 3:16 PM EDT	Special Weather Statement	FFC	Cherokee, Pickens	29 min
May 26, 3:19 PM EDT	Special Weather Statement	FFC	Douglas	26 min
May 26, 3:21 PM EDT	Severe Thunderstorm Warning	FFC	Muscogee	24 min
May 26, 3:23 PM EDT	Special Weather Statement	FFC	Harris	37 min
May 26, 3:29 PM EDT	Severe Thunderstorm Warning	FFC	Harris	46 min
May 26, 3:52 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Meriwether	23 min
May 26, 3:55 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Pike	35 min
May 26, 3:59 PM EDT	Special Weather Statement	FFC	Dawson, Lumpkin	31 min
May 26, 4:05 PM EDT	Special Weather Statement	FFC	Forsyth	25 min
May 26, 4:16 PM EDT	Special Weather Statement	FFC	Clayton, Fayette, Henry, Pike, Spalding	29 min
May 26, 4:32 PM EDT	Special Weather Statement	FFC	Bibb, Crawford, Houston, Monroe, Peach	43 min
May 26, 4:39 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Jasper, Newton, Rockdale, Spalding	51 min
May 26, 4:44 PM EDT	Special Weather Statement	FFC	Forsyth	31 min
May 26, 4:57 PM EDT	Special Weather Statement	FFC	Hall, White	33 min
May 26, 5:00 PM EDT	Special Weather Statement	FFC	Baldwin, Jasper, Jones, Putnam	30 min
May 26, 5:15 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Clarke, Greene, Jackson, Morgan, Newton and 4 more	45 min
May 26, 5:25 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Jasper, Morgan, Putnam	50 min
May 26, 5:34 PM EDT	Special Weather Statement	FFC	Houston, Twiggs	26 min
May 26, 5:36 PM EDT	Special Weather Statement	FFC	White	24 min
May 26, 5:42 PM EDT	Special Weather Statement	FFC	Jones	33 min
May 26, 5:51 PM EDT	Special Weather Statement	FFC	Baldwin	24 min
May 26, 5:55 PM EDT	Special Weather Statement	FFC	Telfair	35 min
May 26, 6:00 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Barrow, Clarke, Greene, Jackson, Madison and 3 more	45 min
May 26, 6:09 PM EDT	Special Weather Statement	FFC	Baldwin, Hancock	36 min
May 26, 6:19 PM EDT	Special Weather Statement	FFC	Wilkinson	26 min
May 26, 6:37 PM EDT	Special Weather Statement	FFC	Laurens	23 min
May 26, 7:12 PM EDT	Special Weather Statement	FFC	Laurens	33 min
May 26, 7:27 PM EDT	River Flood Warning	FFC	Forsyth	10 hr
May 26, 7:27 PM EDT	Special Weather Statement	FFC	Montgomery, Wheeler	33 min
May 26, 7:42 PM EDT	Special Weather Statement	FFC	Jefferson	33 min
May 26, 7:53 PM EDT	Special Weather Statement	FFC	Montgomery, Treutlen	37 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015 Every severe thunderstorm warning in 2015

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.