Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 34, NWS Atlanta, GA

April 19, 20155 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 19, 2015, 12:26 PM EDT for 5 counties in Georgia. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 19, 2015, 12:26 PM EDT (16:26 UTC)
Expired: Apr 19, 2015, 1:02 PM EDT
In force: 36 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Bleckley County, GA, Dooly County, GA, Houston County, GA, Pulaski County, GA, Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 28 km from the middle of the area, began a volume at 16:30 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 19, 7:57 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.4 hours before the alert went out and 140 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: 239 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 617 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 207 m²/s²
0-3 km storm-relative helicity: 329 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

801 
WUUS52 KFFC 191626
SVRFFC
GAC023-093-153-235-289-191715-
/O.NEW.KFFC.SV.W.0034.150419T1626Z-150419T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1226 PM EDT SUN APR 19 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BLECKLEY COUNTY IN CENTRAL GEORGIA...
  SOUTHERN TWIGGS COUNTY IN CENTRAL GEORGIA...
  NORTHWESTERN PULASKI COUNTY IN CENTRAL GEORGIA...
  SOUTHEASTERN HOUSTON COUNTY IN CENTRAL GEORGIA...
  NORTHEASTERN DOOLY COUNTY IN CENTRAL GEORGIA...

* UNTIL 115 PM EDT

* AT 1226 PM EDT...A SEVERE THUNDERSTORM WITH WEAK ROTATION WAS 
  LOCATED NEAR UNADILLA MOVING NORTHEAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  COCHRAN...HAWKINSVILLE...UNADILLA...DANVILLE...ALLENTOWN...PAULK...
  DISTRICT PATH...MAGNOLIA...GROVANIA...OCMULGEE PUBLIC FISHING
  AREA...ROYAL...TARVERSVILLE...HAYNEVILLE...CARY...BROWNDALE...
  CLINCHFIELD...ELKO...COLEY STATION...SAND BED AND PORTER.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM EDT FOR CENTRAL
GEORGIA.

LAT...LON 3229 8380 3267 8342 3266 8327 3253 8320
      3250 8319 3218 8370
TIME...MOT...LOC 1626Z 226DEG 43KT 3225 8371 

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

1 follow-up statement

938 
WWUS52 KFFC 191702
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
102 PM EDT SUN APR 19 2015

GAC023-093-153-235-289-191711-
/O.CAN.KFFC.SV.W.0034.000000T0000Z-150419T1715Z/
BLECKLEY GA-TWIGGS GA-PULASKI GA-HOUSTON GA-DOOLY GA-
102 PM EDT SUN APR 19 2015

...THE SEVERE THUNDERSTORM WARNING FOR BLECKLEY...SOUTHERN TWIGGS...
NORTHWESTERN PULASKI...SOUTHEASTERN HOUSTON AND NORTHEASTERN DOOLY
COUNTIES IS CANCELLED...
                
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 HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN AND 
MINOR FLOODING WILL REMAIN POSSIBLE THROUGH 130 PM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM EDT FOR CENTRAL
GEORGIA.

LAT...LON 3229 8380 3267 8342 3266 8327 3253 8320
      3250 8319 3218 8370
TIME...MOT...LOC 1659Z 226DEG 43KT 3255 8334 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 18, 9:48 PM EDT	River Flood Warning	FFC	Bibb, Houston, Jones, Monroe, Twiggs	4 days
Apr 19, 8:01 AM EDT	Flash Flood Watch	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more	10 hr
Apr 19, 8:49 AM EDT	Tornado Warning	FFC	Carroll, Coweta, Heard	26 min
Apr 19, 9:21 AM EDT	Severe Thunderstorm Warning	FFC	Cobb, Douglas, Fulton	39 min
Apr 19, 10:08 AM EDT	Severe Thunderstorm Warning	FFC	Bartow, Chattooga, Floyd, Gordon, Haralson, Paulding and 1 more	52 min
Apr 19, 10:09 AM EDT	Tornado Warning	FFC	Chattahoochee, Muscogee	51 min
Apr 19, 10:57 AM EDT	Special Weather Statement	FFC	Muscogee	33 min
Apr 19, 10:58 AM EDT	Tornado Warning	FFC	Floyd, Gordon, Murray, Whitfield	47 min
Apr 19, 11:05 AM EDT	Severe Thunderstorm Warning	FFC	Marion, Stewart, Sumter, Webster	40 min
Apr 19, 11:13 AM EDT	Severe Thunderstorm Warning	FFC	Talbot, Upson	47 min
Apr 19, 11:18 AM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Troup	42 min
Apr 19, 11:24 AM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, Gilmer, Gordon, Murray and 3 more	51 min
Apr 19, 11:26 AM EDT	River Flood Warning	FFC	Dade	25 hr
Apr 19, 11:35 AM EDT	River Flood Warning	FFC	Forsyth	12 hr
Apr 19, 11:45 AM EDT	Severe Thunderstorm Warning	FFC	Dooly, Macon, Schley, Sumter	45 min
Apr 19, 11:49 AM EDT	Severe Thunderstorm Warning	FFC	Butts, Lamar, Pike, Spalding	41 min
Apr 19, 12:01 PM EDT	Special Weather Statement	FFC	Cobb	29 min
Apr 19, 12:13 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Wilcox	34 min
Apr 19, 12:18 PM EDT	Special Weather Statement	FFC	Dawson	27 min
Apr 19, 12:30 PM EDT	Special Weather Statement	FFC	Butts	30 min
Apr 19, 12:33 PM EDT	Special Weather Statement	FFC	Gilmer	42 min
Apr 19, 12:45 PM EDT	Special Weather Statement	FFC	Crisp	60 min
Apr 19, 1:03 PM EDT	Special Weather Statement	FFC	Newton, Rockdale	57 min
Apr 19, 1:08 PM EDT	Special Weather Statement	FFC	Forsyth	22 min
Apr 19, 1:12 PM EDT	Special Weather Statement	FFC	Forsyth	33 min
Apr 19, 1:19 PM EDT	Special Weather Statement	FFC	Laurens	26 min
Apr 19, 1:23 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	37 min
Apr 19, 1:33 PM EDT	Special Weather Statement	FFC	Walton	42 min
Apr 19, 1:53 PM EDT	Special Weather Statement	FFC	Morgan	37 min
Apr 19, 1:58 PM EDT	Special Weather Statement	FFC	Lumpkin, Towns, White	47 min
Apr 19, 2:00 PM EDT	Special Weather Statement	FFC	Johnson	30 min
Apr 19, 2:06 PM EDT	River Flood Warning	FFC	Cobb	7 days
Apr 19, 2:06 PM EDT	Special Weather Statement	FFC	Clarke, Oconee	24 min
Apr 19, 2:12 PM EDT	Special Weather Statement	FFC	Taliaferro	33 min
Apr 19, 2:44 PM EDT	Special Weather Statement	FFC	Jefferson	31 min
Apr 19, 2:58 PM EDT	Special Weather Statement	FFC	Emanuel, Toombs	32 min
Apr 19, 4:28 PM EDT	River Flood Warning	FFC	Lamar, Spalding	7 days
Apr 19, 6:37 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	38 min
Apr 19, 7:14 PM EDT	Special Weather Statement	FFC	Catoosa, Walker	31 min
Apr 19, 7:43 PM EDT	Special Weather Statement	FFC	Carroll	47 min
Apr 19, 7:49 PM EDT	Special Weather Statement	FFC	Bartow, Catoosa, Gilmer, Gordon, Murray, Pickens and 1 more	41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.