Alert archive / Georgia / Tornado Warnings in 2010

Tornado Warning 34, NWS Atlanta, GA

October 27, 20104 counties in Georgia

NWS Atlanta, GA issued this tornado warning at Oct 27, 2010, 10:48 AM EDT for 4 counties in Georgia. It was in force for 27 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
Oct 27, 2010, 10:48 AM EDT (14:48 UTC)
Expired
Oct 27, 2010, 11:15 AM EDT
In force
27 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), 28 km from the middle of the area, began a volume at 14:51 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.

IssuedProductOfficeLasted
Oct 27, 6:48 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.8 hours before the alert went out and 32 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 2010-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 608 joules per kilogram.LCLEL10008507005003002001001 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 2010-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 square meters per square second.193958Sfc1 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
608 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
217 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

040 
WFUS52 KFFC 271448
TORFFC
GAC045-077-097-121-271515-
/O.NEW.KFFC.TO.W.0034.101027T1448Z-101027T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1048 AM EDT WED OCT 27 2010

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHEASTERN CARROLL COUNTY IN NORTHWEST GEORGIA
  NORTHWESTERN COWETA COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1115 AM EDT

* AT 1046 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  WHITESBURG...MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CHATTAHOOCHEE HILL COUNTRY...UNION CITY...PALMETTO AND FAIRBURN.

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 100 PM EDT WEDNESDAY
AFTERNOON FOR NORTHERN GEORGIA.

&&

LAT...LON 3357 8504 3367 8457 3353 8453 3350 8461
      3344 8462 3339 8500 3344 8502
TIME...MOT...LOC 1448Z 258DEG 25KT 3350 8491

$$
2 follow-up statements
214 
WWUS52 KFFC 271508
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1108 AM EDT WED OCT 27 2010

GAC045-097-271518-
/O.CAN.KFFC.TO.W.0034.000000T0000Z-101027T1515Z/
DOUGLAS GA-CARROLL GA-
1108 AM EDT WED OCT 27 2010

...THE TORNADO WARNING FOR SOUTHEASTERN CARROLL AND SOUTHWESTERN
DOUGLAS COUNTIES IS CANCELLED...

THE STORM HAS MOVED OUT OF CARROLL ANDDOUGLAS 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 100 PM EDT WEDNESDAY
AFTERNOON FOR NORTHERN GEORGIA.

LAT...LON 3345 8498 3344 8493 3352 8482 3357 8481
      3363 8475 3367 8457 3353 8453 3350 8461
      3344 8463 3340 8499 3341 8500 3342 8501
TIME...MOT...LOC 1508Z 258DEG 25KT 3353 8475

$$

GAC077-121-271515-
/O.CON.KFFC.TO.W.0034.000000T0000Z-101027T1515Z/
COWETA GA-FULTON GA-
1108 AM EDT WED OCT 27 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM EDT FOR
SOUTHWESTERN FULTON AND NORTHWESTERN COWETA COUNTIES...

AT 1105 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CHATTAHOOCHEE HILL
COUNTRY...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNION
CITY...PALMETTO...FAIRBURN AND CANNONGATE.

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 FIRST 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 100 PM EDT WEDNESDAY
AFTERNOON FOR NORTHERN GEORGIA.

&&

LAT...LON 3345 8498 3344 8493 3352 8482 3357 8481
      3363 8475 3367 8457 3353 8453 3350 8461
      3344 8463 3340 8499 3341 8500 3342 8501
TIME...MOT...LOC 1508Z 258DEG 25KT 3353 8475

$$
545 
WWUS52 KFFC 271516
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1116 AM EDT WED OCT 27 2010

GAC077-121-271526-
/O.EXP.KFFC.TO.W.0034.000000T0000Z-101027T1515Z/
COWETA GA-FULTON GA-
1116 AM EDT WED OCT 27 2010

...THE TORNADO WARNING FOR SOUTHWESTERN FULTON AND NORTHWESTERN
COWETA COUNTIES EXPIRES AT 1115 AM EDT...

AT 1114 AM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE 
A THUNDERSTORM WITH ROTATION. THIS THUNDERSTORM WAS LOCATED NEAR 
PALMETTO...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE PATH OF THIS STORM INCLUDE BUT ARE NOT 
LIMITED TO UNION CITY...FAIRBURN AND CANNONGATE.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR 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 100 PM EDT WEDNESDAY
AFTERNOON FOR NORTHERN GEORGIA.

LAT...LON 3345 8498 3344 8493 3352 8482 3357 8481
      3363 8475 3367 8457 3353 8453 3350 8461
      3344 8463 3340 8499 3341 8500 3342 8501
TIME...MOT...LOC 1508Z 258DEG 25KT 3353 8475

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 26, 8:49 PM EDTSevere Thunderstorm WarningFFCChattooga, Dade, Walker26 min
Oct 26, 9:37 PM EDTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd, Gordon38 min
Oct 27, 2:13 PM EDTTornado WarningFFCClayton, DeKalb, Henry, Rockdale13 min
Oct 27, 4:24 PM EDTSevere Thunderstorm WarningFFCOglethorpe36 min

Nearby

Tornado Warnings in Georgia, 2010Every tornado warning in 2010Tornadoes in 2010

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.