Alert archive / Georgia / Tornado Warnings in 2009
Tornado Warning 110, NWS Atlanta, GA
NWS Atlanta, GA issued this tornado warning at Apr 20, 2009, 12:37 AM EDT for 6 counties in Georgia. It was in force for 53 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 20, 2009, 12:37 AM EDT (04:37 UTC)
- Expired
- Apr 20, 2009, 1:30 AM EDT
- In force
- 53 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Clayton County, GA, Cobb County, GA, Coweta County, GA, Douglas County, GA, Fayette County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 36 km from the middle of the area, began a volume at 04:40 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, 8:51 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.6 hours before the alert went out and 36 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.
- Mixed-layer CAPE
- 182 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1004 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS52 KFFC 200500
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1200 AM EDT MON APR 20 2009
GAC067-077-097-200509-
/O.CAN.KFFC.TO.W.0110.000000T0000Z-090420T0530Z/
COWETA GA-DOUGLAS GA-COBB GA-
1200 AM EDT MON APR 20 2009
...THE TORNADO WARNING FOR SOUTH CENTRAL COBB...EASTERN DOUGLAS AND
EXTREME NORTH CENTRAL COWETA COUNTIES IS CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS EXITED COBB...DOUGLAS...AND
COWETA COUNTIES.
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 300 AM EDT MONDAY MORNING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
700 AM EDT MONDAY MORNING FOR NORTHEASTERN GEORGIA.
LAT...LON 3369 8465 3377 8456 3384 8442 3355 8433
3351 8465 3366 8467
TIME...MOT...LOC 0459Z 257DEG 37KT 3358 8457
$$
GAC063-113-121-200530-
/O.CON.KFFC.TO.W.0110.000000T0000Z-090420T0530Z/
FAYETTE GA-CLAYTON GA-FULTON GA-
1200 AM EDT MON APR 20 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR CENTRAL
FULTON...NORTHWESTERN CLAYTON AND EXTREME NORTH CENTRAL FAYETTE
COUNTIES...
AT 1259 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STRONG STORM WITH A POSSIBLE TORNADO. THIS STORM WAS
LOCATED NEAR UNION CITY...MOVING EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SANDTOWN...COLLEGE PARK...CASCADE HEIGHTS...RIVERDALE...
HARTSFIELD-JACKSON AIRPORT...EAST POINT...BANKHEAD...BOLTON...
HAPEVILLE...WEST END...LAKEWOOD PARK...FOREST PARK...TURNER FIELD AND
MORROW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE
A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT MONDAY MORNING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
700 AM EDT MONDAY MORNING FOR NORTHEASTERN GEORGIA.
&&
LAT...LON 3369 8465 3377 8456 3384 8442 3355 8433
3351 8465 3366 8467
TIME...MOT...LOC 0459Z 257DEG 37KT 3358 8457
$$2 follow-up statements
000 WFUS52 KFFC 200437 TORFFC GAC063-067-077-097-113-121-200530- /O.NEW.KFFC.TO.W.0110.090420T0437Z-090420T0530Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1237 AM EDT MON APR 20 2009 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN CLAYTON COUNTY IN NORTH CENTRAL GEORGIA SOUTH CENTRAL COBB COUNTY IN NORTH CENTRAL GEORGIA EASTERN DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA NORTHWESTERN FAYETTE COUNTY IN NORTH CENTRAL GEORGIA SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA EXTREME NORTH CENTRAL COWETA COUNTY IN WEST CENTRAL GEORGIA * UNTIL 130 AM EDT * AT 1236 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES NORTHWEST OF PALMETTO...MOVING EAST AT 35 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FAIRBURN...UNION CITY...COLLEGE PARK...RIVERDALE... HARTSFIELD-JACKSON AIRPORT...EAST POINT...HAPEVILLE AND FOREST 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 300 AM EDT MONDAY MORNING FOR NORTHWESTERN GEORGIA. && LAT...LON 3384 8442 3355 8433 3349 8472 3373 8480 TIME...MOT...LOC 0437Z 255DEG 30KT 3360 8484 $$
000
WWUS52 KFFC 200512
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
112 AM EDT MON APR 20 2009
GAC113-200521-
/O.CAN.KFFC.TO.W.0110.000000T0000Z-090420T0530Z/
FAYETTE GA-
112 AM EDT MON APR 20 2009
...THE TORNADO WARNING FOR EXTREME NORTH CENTRAL FAYETTE COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF FAYETTE COUNTY.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT MONDAY MORNING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
700 AM EDT MONDAY MORNING FOR NORTHEASTERN GEORGIA.
LAT...LON 3364 8452 3371 8453 3376 8451 3379 8440
3355 8433 3355 8443 3355 8446 3355 8447
3355 8454
TIME...MOT...LOC 0511Z 257DEG 37KT 3361 8443
$$
GAC063-121-200530-
/O.CON.KFFC.TO.W.0110.000000T0000Z-090420T0530Z/
CLAYTON GA-FULTON GA-
112 AM EDT MON APR 20 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR CENTRAL
FULTON AND NORTHWESTERN CLAYTON COUNTIES...
AT 108 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STRONG STORM LOCATED NEAR HARTSFIELD-JACKSON
AIRPORT...MOVING EAST AT 45 MPH. THIS STORM HAS WEAKENED
CONSIDERABLY AND WILL LIKELY CONTINUE TO WEAKEN THROUGH 130 AM.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HAPEVILLE...WEST END...LAKEWOOD PARK...FOREST PARK...TURNER FIELD AND
MORROW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 300 AM EDT MONDAY MORNING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
700 AM EDT MONDAY MORNING FOR NORTHEASTERN GEORGIA.
&&
LAT...LON 3364 8452 3371 8453 3376 8451 3379 8440
3355 8433 3355 8443 3355 8446 3355 8447
3355 8454
TIME...MOT...LOC 0511Z 257DEG 37KT 3361 8443
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 10:12 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Walker | 63 min |
| Apr 19, 10:25 PM EDT | Tornado Warning | FFC | Chattooga, Dade, Walker | 28 min |
| Apr 19, 10:33 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 57 min |
| Apr 19, 10:40 PM EDT | Tornado Warning | FFC | Cherokee, Cobb, Fulton | 34 min |
| Apr 19, 11:04 PM EDT | Tornado Warning | FFC | Harris, Muscogee | 71 min |
| Apr 19, 11:46 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Haralson | 59 min |
| Apr 19, 11:51 PM EDT | Tornado Warning | FFC | Chattahoochee, Harris, Marion, Muscogee, Talbot | 23 min |
| Apr 20, 12:07 AM EDT | Severe Thunderstorm Warning | FFC | Banks, Dawson, Forsyth, Hall, Lumpkin, White | 53 min |
| Apr 20, 12:21 AM EDT | Tornado Warning | FFC | Carroll, Coweta, Douglas, Fulton | 54 min |
| Apr 20, 3:26 PM EDT | Wind Advisory | FFC | Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 55 more | 28 hr |
Nearby
Tornado Warnings in Georgia, 2009Every tornado warning in 2009Tornadoes in 2009
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.