Alert archive / Georgia / Tornado Warnings in 2009
Tornado Warning 109, NWS Atlanta, GA
NWS Atlanta, GA issued this tornado warning at Apr 20, 2009, 12:21 AM EDT for 4 counties in Georgia. It was in force for 54 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, 12:21 AM EDT (04:21 UTC)
- Expired
- Apr 20, 2009, 1:15 AM EDT
- In force
- 54 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Carroll County, GA, Coweta County, GA, Douglas County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 40 km from the middle of the area, began a volume at 04:22 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, 4.4 hours before the alert went out and 44 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 WFUS52 KFFC 200421 TORFFC GAC045-077-097-121-200515- /O.NEW.KFFC.TO.W.0109.090420T0421Z-090420T0515Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1221 AM EDT MON APR 20 2009 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * TORNADO WARNING FOR... WESTERN DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA EASTERN CARROLL COUNTY IN NORTHWEST GEORGIA NORTH CENTRAL COWETA COUNTY IN WEST CENTRAL GEORGIA * UNTIL 115 AM EDT * AT 1219 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CARROLLTON...MOVING EAST AT 25 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITESBURG...CHATTAHOOCHEE HILL COUNTRY AND DOUGLASVILLE. 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 3376 8473 3349 8467 3345 8510 3363 8514 TIME...MOT...LOC 0422Z 257DEG 23KT 3356 8503 $$
3 follow-up statements
000 WWUS52 KFFC 200431 SVSFFC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1231 AM EDT MON APR 20 2009 GAC045-077-097-121-200515- /O.CON.KFFC.TO.W.0109.000000T0000Z-090420T0515Z/ COWETA GA-DOUGLAS GA-CARROLL GA-FULTON GA- 1231 AM EDT MON APR 20 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 AM EDT FOR SOUTHWESTERN FULTON...EAST CENTRAL CARROLL...WESTERN DOUGLAS AND NORTH CENTRAL COWETA COUNTIES... AT 1231 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HANNAH...MOVING EAST AT 35 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BYERS CROSSROADS...FAIRPLAY...DUNAWAY GARDENS...ROSCOE...BILL ARP... CHATTAHOOCHEE HILL COUNTRY...DOUGLASVILLE AND CHAPEL HILL. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT MONDAY MORNING FOR NORTHWESTERN GEORGIA. && LAT...LON 3346 8504 3367 8496 3376 8473 3349 8467 TIME...MOT...LOC 0431Z 259DEG 31KT 3358 8491 $$
000
WWUS52 KFFC 200442
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1242 AM EDT MON APR 20 2009
GAC045-200451-
/O.CAN.KFFC.TO.W.0109.000000T0000Z-090420T0515Z/
CARROLL GA-
1242 AM EDT MON APR 20 2009
...THE TORNADO WARNING FOR EAST CENTRAL CARROLL COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS EXITED CARROLL COUNTY.
HEAVY RAIN AND LIGHTNING ARE STILL POSSIBLE AS THE REMNANTS OF THIS
STORM MOVES THROUGH CARROLL 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 3376 8473 3349 8467 3347 8489 3348 8488
3352 8482 3358 8481 3358 8490 3369 8490
TIME...MOT...LOC 0441Z 259DEG 31KT 3360 8481
$$
GAC077-097-121-200515-
/O.CON.KFFC.TO.W.0109.000000T0000Z-090420T0515Z/
COWETA GA-DOUGLAS GA-FULTON GA-
1242 AM EDT MON APR 20 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 AM EDT FOR
SOUTHWESTERN FULTON...WESTERN DOUGLAS AND NORTH CENTRAL COWETA
COUNTIES...
AT 1238 AM EDT...A TORNADO WAS REPORTED. THIS TORNADO WAS LOCATED
NEAR HANNAH...MOVING EAST AT 35 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BILL
ARP...CHATTAHOOCHEE HILL COUNTRY...DOUGLASVILLE AND CHAPEL HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT MONDAY MORNING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
700 AM EDT MONDAY MORNING FOR NORTHEASTERN GEORGIA.
&&
LAT...LON 3376 8473 3349 8467 3347 8489 3348 8488
3352 8482 3358 8481 3358 8490 3369 8490
TIME...MOT...LOC 0441Z 259DEG 31KT 3360 8481
$$000
WWUS52 KFFC 200455
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1255 AM EDT MON APR 20 2009
GAC077-200504-
/O.CAN.KFFC.TO.W.0109.000000T0000Z-090420T0515Z/
COWETA GA-
1255 AM EDT MON APR 20 2009
...THE TORNADO WARNING FOR NORTH CENTRAL COWETA COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS EXITED THE COWETA COUNTY.
GUSTY WINDS TO 30 MPH AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS
STORM IN COWETA 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 3358 8481 3372 8481 3376 8473 3351 8468
3351 8482
TIME...MOT...LOC 0454Z 259DEG 31KT 3362 8468
$$
GAC097-121-200515-
/O.CON.KFFC.TO.W.0109.000000T0000Z-090420T0515Z/
DOUGLAS GA-FULTON GA-
1255 AM EDT MON APR 20 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 AM EDT FOR
SOUTHWESTERN FULTON AND CENTRAL DOUGLAS COUNTIES...
AT 1254 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STRONG STORM LOCATED NEAR CHAPEL HILL...MOVING EAST AT 35
MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT MONDAY MORNING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
700 AM EDT MONDAY MORNING FOR NORTHEASTERN GEORGIA.
&&
LAT...LON 3358 8481 3372 8481 3376 8473 3351 8468
3351 8482
TIME...MOT...LOC 0454Z 259DEG 31KT 3362 8468
$$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, 12:37 AM EDT | Tornado Warning | FFC | Clayton, Cobb, Coweta, Douglas, Fayette, Fulton | 53 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.