Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 21, NWS Atlanta, GA

April 16, 20115 counties in Georgia

NWS Atlanta, GA issued this tornado warning at Apr 16, 2011, 2:10 AM EDT for 5 counties in Georgia. It was in force for 50 min. 4 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
Apr 16, 2011, 2:10 AM EDT (06:10 UTC)
Expired
Apr 16, 2011, 3:00 AM EDT
In force
50 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Carroll County, GA, Cobb County, GA, Douglas County, GA, Fulton County, GA, Paulding County, GA

The radar

The Atlanta radar (KFFC), 37 km from the middle of the area, began a volume at 06:11 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
Apr 16, 2:30 AM EDTTSTM WND DMGDouglasville, GASEVERAL TREES DOWN ON RILEY ROAD AND HIGHWAY 5. ROOF GAVE IN AT 6602 BANKHEAD HIGHWAY.
Apr 16, 2:39 AM EDTTSTM WND DMGVinings, GAPUBLIC REPORTS A SIGN TORN DOWN AT A STRIP MALL ON COBB PARKWAY IN VININGS ALONG WITH A DOWNED TREE IN A NEIGHBORING PARKING LOT.
Apr 16, 2:45 AM EDTTSTM WND DMGAustell, GAAT LEAST 11 TREES DOWN...4 ON HOUSES. PORTION OF ROOF TORN OFF AT BJ WAREHOUSE BUILDING ON EAST WEST CONNECTOR.
Apr 16, 2:49 AM EDTHAIL 1Smyrna, GAREPORTED AT THE INTERSECTION OF KINGS SPRING ROAD AND SOUTH COBB DRIVE. 52 MPH WIND GUST ALSO RECORDED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 15, 9:12 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.2 hours before the alert went out and 40 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 00:00Z on 2011-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 406 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 00:00Z on 2011-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 373 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
406 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1138 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
373 m²/s²
0-3 km storm-relative helicity
566 m²/s²
Significant tornado parameter
1.3
Supercell composite
11.3

Open this sounding in Storm Lab

The text

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

566 
WFUS52 KFFC 160610
TORFFC
GAC045-067-097-121-223-160700-
/O.NEW.KFFC.TO.W.0021.110416T0610Z-110416T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
210 AM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  COBB COUNTY IN NORTH CENTRAL GEORGIA
  DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA
  EAST CENTRAL CARROLL COUNTY IN NORTHWEST GEORGIA
  SOUTHEASTERN PAULDING COUNTY IN NORTHWEST GEORGIA

* UNTIL 300 AM EDT

* AT 206 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  WHITESBURG...MOVING NORTHEAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CHATTAHOOCHEE HILL COUNTRY...DOUGLASVILLE...LITHIA SPRINGS...
  AUSTELL...POWDER SPRINGS...SMYRNA...MARIETTA AND BUCKHEAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO A
BASEMENT OR INTERIOR ROOM ON THE GROUND FLOOR. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT SATURDAY MORNING
FOR GEORGIA.

&&

LAT...LON 3402 8454 3384 8436 3351 8481 3351 8485
      3350 8485 3348 8489 3345 8492 3357 8505
TIME...MOT...LOC 0610Z 228DEG 48KT 3358 8488

$$
3 follow-up statements
129 
WWUS52 KFFC 160618
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
218 AM EDT SAT APR 16 2011

GAC045-160628-
/O.CAN.KFFC.TO.W.0021.000000T0000Z-110416T0700Z/
CARROLL GA-
218 AM EDT SAT APR 16 2011

...THE TORNADO WARNING FOR EAST CENTRAL CARROLL COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM THAT PROMPTED THE TORNADO WARNING HAS MOVED 
OUT OF CARROLL COUNTY...THUS THE WARNING HAS BEEN CANCELLED.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT SATURDAY MORNING
FOR GEORGIA.

LAT...LON 3374 8449 3372 8453 3357 8474 3357 8482
      3358 8491 3359 8490 3370 8490 3402 8454
      3384 8436
TIME...MOT...LOC 0618Z 225DEG 42KT 3365 8481

$$

GAC067-097-121-223-160700-
/O.CON.KFFC.TO.W.0021.000000T0000Z-110416T0700Z/
PAULDING GA-COBB GA-DOUGLAS GA-FULTON GA-
218 AM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 AM EDT FOR CENTRAL
FULTON...DOUGLAS...COBB AND SOUTHEASTERN PAULDING COUNTIES...

AT 215 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR FAIRPLAY...MOVING
NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BILL
ARP...WINSTON...CHAPEL HILL...CAMPBELLTON...DOUGLASVILLE...
BROWNSVILLE...SWEETWATER CREEK STATE PARK...LITHIA SPRINGS...
AUSTELL...POWDER SPRINGS...SIX FLAGS OVER GEORGIA...MABLETON...
BANKHEAD...JIM R MILLER PARK...BOLTON...SMYRNA...VININGS...DOBBINS
AIR RESERVE BASE...MARIETTA...BUCKHEAD AND WHITE WATER PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT SATURDAY MORNING
FOR GEORGIA.

&&

LAT...LON 3374 8449 3372 8453 3357 8474 3357 8482
      3358 8491 3359 8490 3370 8490 3402 8454
      3384 8436
TIME...MOT...LOC 0618Z 225DEG 42KT 3365 8481

$$
436 
WWUS52 KFFC 160627
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
227 AM EDT SAT APR 16 2011

GAC067-097-121-223-160700-
/O.CON.KFFC.TO.W.0021.000000T0000Z-110416T0700Z/
PAULDING GA-COBB GA-DOUGLAS GA-FULTON GA-
227 AM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 AM EDT FOR CENTRAL
FULTON...NORTHEASTERN DOUGLAS...COBB AND SOUTHEASTERN PAULDING
COUNTIES...

AT 225 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BILL ARP...MOVING
NORTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CHAPEL
HILL...CAMPBELLTON...DOUGLASVILLE...BROWNSVILLE...SWEETWATER CREEK
STATE PARK...SANDTOWN...LITHIA SPRINGS...AUSTELL...POWDER SPRINGS...
SIX FLAGS OVER GEORGIA...MABLETON...BANKHEAD...JIM R MILLER PARK...
BOLTON...SMYRNA...VININGS...DOBBINS AIR RESERVE BASE...MARIETTA...
BUCKHEAD AND WHITE WATER PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT SATURDAY MORNING
FOR GEORGIA.

&&

LAT...LON 3374 8449 3372 8453 3359 8471 3373 8487
      3402 8454 3384 8436
TIME...MOT...LOC 0627Z 226DEG 36KT 3370 8475

$$
824 
WWUS52 KFFC 160644
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
244 AM EDT SAT APR 16 2011

GAC097-121-223-160654-
/O.CAN.KFFC.TO.W.0021.000000T0000Z-110416T0700Z/
PAULDING GA-DOUGLAS GA-FULTON GA-
244 AM EDT SAT APR 16 2011

...THE TORNADO WARNING FOR CENTRAL FULTON...NORTHEASTERN DOUGLAS AND
SOUTHEASTERN PAULDING COUNTIES IS CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE TORNADO HAS MOVED OUT OF THE 
COUNTIES...THUS THE WARNING HAS BEEN CANCELLED.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT SATURDAY MORNING
FOR GEORGIA.

LAT...LON 3402 8454 3392 8444 3391 8445 3388 8444
      3385 8446 3383 8445 3375 8458 3380 8462
      3381 8472 3385 8473
TIME...MOT...LOC 0644Z 225DEG 38KT 3391 8457

$$

GAC067-160700-
/O.CON.KFFC.TO.W.0021.000000T0000Z-110416T0700Z/
COBB GA-
244 AM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 AM EDT FOR COBB
COUNTY...

AT 239 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR JIM R MILLER 
PARK...JUST EAST OF POWDER SPRINGS...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SMYRNA...VININGS...DOBBINS AIR RESERVE BASE...MARIETTA AND WHITE
WATER PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT SATURDAY MORNING
FOR GEORGIA.

&&

LAT...LON 3402 8454 3392 8444 3391 8445 3388 8444
      3385 8446 3383 8445 3375 8458 3380 8462
      3381 8472 3385 8473
TIME...MOT...LOC 0644Z 225DEG 38KT 3391 8457

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 8:02 PM EDTTornado WarningFFCCobb, DeKalb, Fulton43 min
Apr 15, 8:12 PM EDTSevere Thunderstorm WarningFFCLamar, Meriwether, Pike, Talbot, Upson48 min
Apr 15, 8:19 PM EDTSevere Thunderstorm WarningFFCBarrow, Gwinnett41 min
Apr 15, 8:28 PM EDTSevere Thunderstorm WarningFFCForsyth, Hall47 min
Apr 15, 8:45 PM EDTSevere Thunderstorm WarningFFCCobb, Douglas, Paulding45 min
Apr 15, 8:56 PM EDTSevere Thunderstorm WarningFFCButts, Lamar, Monroe, Pike, Upson49 min
Apr 15, 9:18 PM EDTSevere Thunderstorm WarningFFCButts, Jasper, Jones, Monroe42 min
Apr 15, 9:19 PM EDTSevere Thunderstorm WarningFFCDeKalb, Forsyth, Fulton, Gwinnett41 min
Apr 15, 10:44 PM EDTRiver Flood WarningFFCForsyth, Fulton40 hr
Apr 15, 11:44 PM EDTRiver Flood WarningFFCCobb6 hr
Apr 16, 12:17 AM EDTRiver Flood WarningFFCForsyth14 hr
Apr 16, 12:47 AM EDTRiver Flood WarningFFCDade34 hr
Apr 16, 1:25 AM EDTSevere Thunderstorm WarningFFCHeard, Troup50 min
Apr 16, 1:40 AM EDTSevere Thunderstorm WarningFFCBartow, Carroll, Haralson, Paulding50 min
Apr 16, 1:54 AM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Fulton, Meriwether51 min
Apr 16, 2:38 AM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Fayette, Fulton, Henry, Newton and 1 more52 min
Apr 16, 2:46 AM EDTSevere Thunderstorm WarningFFCHarris44 min
Apr 16, 3:15 AM EDTSevere Thunderstorm WarningFFCHarris, Muscogee45 min
Apr 16, 3:26 AM EDTSevere Thunderstorm WarningFFCMeriwether49 min
Apr 16, 3:35 AM EDTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more16 hr
Apr 16, 3:39 AM EDTTornado WarningFFCHarris, Talbot36 min
Apr 16, 3:51 AM EDTSevere Thunderstorm WarningFFCLamar, Meriwether, Pike, Spalding39 min
Apr 16, 4:04 AM EDTSevere Thunderstorm WarningFFCMeriwether, Pike, Talbot, Upson26 min
Apr 16, 4:40 AM EDTSevere Thunderstorm WarningFFCChattahoochee, Macon, Marion, Muscogee, Talbot50 min
Apr 16, 4:45 AM EDTTornado WarningFFCChattahoochee, Marion, Muscogee45 min
Apr 16, 5:12 AM EDTSevere Thunderstorm WarningFFCChattahoochee, Crawford, Marion, Talbot, Taylor, Upson48 min
Apr 16, 5:48 AM EDTTornado WarningFFCBibb, Crawford, Monroe, Taylor42 min
Apr 16, 6:14 AM EDTTornado WarningFFCBaldwin, Jones, Putnam46 min
Apr 16, 6:26 AM EDTRiver Flood WarningFFCWhitfield64 hr
Apr 16, 8:42 AM EDTRiver Flood WarningFFCCobb7 hr
Apr 16, 10:34 AM EDTRiver Flood WarningFFCGordon, Murray, Whitfield28 hr

Nearby

Tornado Warnings in Georgia, 2011Every tornado warning in 2011Tornadoes in 2011

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.