Alert archive / Georgia / Tornado Warnings in 2019

Tornado Warning 1, NWS Atlanta, GA

February 12, 20194 counties in Georgia

NWS Atlanta, GA issued this tornado warning at Feb 12, 2019, 1:36 PM EST for 4 counties in Georgia. It was in force for 24 min. 7 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
Feb 12, 2019, 1:36 PM EST (18:36 UTC)
Expired
Feb 12, 2019, 2:00 PM EST
In force
24 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Clayton County, GA, DeKalb County, GA, Henry County, GA, Rockdale County, GA

The radar

The Atlanta radar (KFFC), 30 km from the middle of the area, began a volume at 18:37 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
Feb 12, 1:37 PM ESTTSTM WND DMG1 Sse Forest Park, GATREE REPORTED DOWN ON A HOME AT THE 5400 BLOCK OF SYCAMORE DR IN THE FOREST PARK AREA.
Feb 12, 1:37 PM ESTTSTM WND DMG1 Sse Forest Park, GATREE REPORTED DOWN ON A HOME ON THE 5000 BLOCK OF ELLEN ST NEAR FOREST PARK.
Feb 12, 1:37 PM ESTTSTM WND DMG1 Sse Forest Park, GATREE REPORTED DOWN ON A HOME ON THE 5000 BLOCK OF ELLEN ST NEAR FPREST PARK.
Feb 12, 1:37 PM ESTTSTM WND DMG1 Sse Forest Park, GATREE REPORTED DOWN ON A HOME ON THE 5400 BLOCK OF ASH STREET IN FOREST PARK.
Feb 12, 1:38 PM ESTTSTM WND DMG2 Ese Kenwood, GATREE DOWN ON A HOME AT THE 9300 BLOCK OF WOOD KNOLL LANE, CAUSING DAMAGE TO THE ROOF OF THE HOME.
Feb 12, 1:40 PM ESTTSTM WND DMG1 Wnw Lake City, GALARGE TREE REPORTED DOWN ON A HOME CAUSING SIGNIFICANT ROOF DAMAGE AT THE 5300 BLOCK OF SCHOOL LANE NEAR THE LAKE CITY AREA.
Feb 12, 1:40 PM ESTTORNADO1 Wnw Lake City, GALARGE TREE REPORTED DOWN ON A HOME CAUSING SIGNIFICANT ROOF DAMAGE AT THE 5300 BLOCK OF SCHOOL LANE NEAR THE LAKE CITY AREA.

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, 6.6 hours before the alert went out and 26 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 2019-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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 2019-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 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
65 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

220 
WFUS52 KFFC 121836
TORFFC
GAC063-089-151-247-121900-
/O.NEW.KFFC.TO.W.0001.190212T1836Z-190212T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Peachtree City GA
136 PM EST TUE FEB 12 2019

The National Weather Service in Peachtree City has issued a

* Tornado Warning for...
  West central Rockdale County in north central Georgia...
  Southwestern DeKalb County in north central Georgia...
  Northwestern Henry County in north central Georgia...
  Clayton County in north central Georgia...

* Until 200 PM EST.

* At 136 PM EST, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Forest Park, or near Jonesboro, moving east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Jonesboro, Stockbridge, Forest Park, Riverdale, Morrow, Lake City,
  Lake Spivey, Rex, Ellenwood, Hidden Valley Park, Fort Gillem,
  Panola Mountain State Park and Conley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3363 8442 3370 8414 3352 8414 3349 8441
      3350 8442 3351 8442 3352 8443
TIME...MOT...LOC 1836Z 262DEG 36KT 3360 8436 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
2 follow-up statements
246 
WWUS52 KFFC 121844
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
144 PM EST TUE FEB 12 2019

GAC063-089-151-247-121900-
/O.CON.KFFC.TO.W.0001.000000T0000Z-190212T1900Z/
Rockdale GA-DeKalb GA-Henry GA-Clayton GA-
144 PM EST TUE FEB 12 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM EST FOR WEST
CENTRAL ROCKDALE...SOUTHWESTERN DEKALB...NORTHWESTERN HENRY AND
NORTHEASTERN CLAYTON COUNTIES...

At 143 PM EST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Ellenwood, or 8 miles northeast of Jonesboro, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Stockbridge, Forest Park, Morrow, Lake City, Hidden Valley Park, Fort
Gillem, Rex, Panola Mountain State Park, Ellenwood and Conley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3370 8414 3352 8414 3355 8437 3364 8437
TIME...MOT...LOC 1843Z 262DEG 36KT 3361 8427 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
586 
WWUS52 KFFC 121856
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
156 PM EST TUE FEB 12 2019

GAC063-089-151-247-121906-
/O.EXP.KFFC.TO.W.0001.000000T0000Z-190212T1900Z/
Rockdale GA-DeKalb GA-Henry GA-Clayton GA-
156 PM EST TUE FEB 12 2019

...THE TORNADO WARNING FOR WEST CENTRAL ROCKDALE...SOUTHWESTERN
DEKALB...NORTHWESTERN HENRY AND NORTHEASTERN CLAYTON COUNTIES WILL
EXPIRE AT 200 PM EST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this storm.

LAT...LON 3370 8414 3352 8414 3355 8437 3364 8437
TIME...MOT...LOC 1856Z 262DEG 36KT 3363 8413 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 2:35 AM ESTDense Fog AdvisoryFFCBaldwin, Barrow, Bibb, Bleckley, Butts, Carroll and 58 more7 hr
Feb 12, 11:01 AM ESTSpecial Weather StatementFFCFloyd29 min
Feb 12, 12:27 PM ESTSpecial Weather StatementFFCHeard33 min
Feb 12, 12:49 PM ESTSpecial Weather StatementFFCCherokee, Cobb, Dawson, Forsyth, Lumpkin26 min
Feb 12, 1:01 PM ESTSpecial Weather StatementFFCClayton, Coweta, DeKalb, Douglas, Fayette, Fulton and 1 more29 min
Feb 12, 1:16 PM ESTSpecial Weather StatementFFCDeKalb, Forsyth, Gwinnett, Hall, Lumpkin, White29 min
Feb 12, 1:22 PM ESTSpecial Weather StatementFFCChattahoochee, Harris, Marion, Muscogee, Talbot23 min
Feb 12, 1:36 PM ESTSpecial Weather StatementFFCClayton, Fayette, Henry, Meriwether, Pike, Rockdale and 1 more24 min
Feb 12, 1:39 PM ESTSpecial Weather StatementFFCBanks, Barrow, Gwinnett, Hall, Jackson, White36 min
Feb 12, 1:40 PM ESTSpecial Weather StatementFFCStewart, Webster35 min
Feb 12, 1:45 PM ESTSpecial Weather StatementFFCChattahoochee, Marion, Talbot, Taylor, Upson30 min
Feb 12, 1:53 PM ESTSpecial Weather StatementFFCButts, Henry, Jasper, Lamar, Monroe, Morgan and 5 more37 min
Feb 12, 1:54 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Harris, Marion, Muscogee, Schley, Talbot and 2 more36 min
Feb 12, 2:15 PM ESTSpecial Weather StatementFFCMacon, Marion, Peach, Schley, Sumter, Taylor and 1 more30 min
Feb 12, 2:23 PM ESTSevere Thunderstorm WarningFFCBibb, Crawford, Macon, Peach, Talbot, Taylor and 1 more52 min
Feb 12, 2:26 PM ESTSpecial Weather StatementFFCButts, Clarke, Jasper, Lamar, Madison, Monroe and 4 more49 min
Feb 12, 2:52 PM ESTSevere Thunderstorm WarningFFCBibb, Bleckley, Crawford, Houston, Peach, Twiggs and 1 more23 min
Feb 12, 3:11 PM ESTSpecial Weather StatementFFCBaldwin, Greene, Hancock, Jones, Oglethorpe, Putnam and 3 more49 min
Feb 12, 3:14 PM ESTSevere Thunderstorm WarningFFCBaldwin, Bibb, Bleckley, Houston, Jones, Laurens and 2 more46 min
Feb 12, 4:00 PM ESTSpecial Weather StatementFFCDodge, Emanuel, Glascock, Jefferson, Johnson, Laurens and 6 more30 min
Feb 12, 4:29 PM ESTSpecial Weather StatementFFCEmanuel, Glascock, Jefferson, Johnson, Montgomery, Toombs and 1 more31 min

Nearby

Tornado Warnings in Georgia, 2019Every tornado warning in 2019Tornadoes in 2019

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.