Alert archive / Georgia / Tornado Warnings in 2009

Tornado Warning 105, NWS Atlanta, GA

April 19, 2009Chattooga County, Dade County, Walker County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 19, 2009, 10:25 PM EDT for Chattooga County, Dade County, Walker County, Georgia. It was in force for 28 min. 1 report 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 19, 2009, 10:25 PM EDT (02:25 UTC)
Expired
Apr 19, 2009, 10:53 PM EDT
In force
28 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Chattooga County, GA, Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 79 km from the middle of the area, began a volume at 02:26 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 19, 10:40 PM EDTTSTM WND DMGLa Fayette, GAFEW TREES DOWN ACROSS THE COUNTY.

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 19, 8:51 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.4 hours before the alert went out and 170 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 2009-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 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 2009-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 square meters per square second.1939587897117Sfc1 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
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

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KFFC 200225
TORFFC
GAC055-083-295-200330-
/O.NEW.KFFC.TO.W.0105.090420T0225Z-090420T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1025 PM EDT SUN APR 19 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CHATTOOGA COUNTY IN NORTHWEST GEORGIA
  SOUTH CENTRAL DADE COUNTY IN NORTHWEST GEORGIA
  WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 1130 PM EDT

* AT 1022 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 25 MILES SOUTHWEST OF LAFAYETTE...MOVING NORTHEAST AT 
  35 MPH. A POSSIBLE TORNADO...ALONG WITH DAMAGE...HAS BEEN REPORTED
  IN DEKALB COUNTY ALABAMA.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CHICKAMAUGA.

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 3490 8527 3485 8527 3484 8520 3477 8520
      3477 8516 3476 8515 3472 8516 3472 8510
      3471 8509 3452 8552 3474 8556
TIME...MOT...LOC 0224Z 239DEG 29KT 3457 8566

$$
2 follow-up statements
000 
WWUS52 KFFC 200251
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1051 PM EDT SUN APR 19 2009

GAC083-200300-
/O.CAN.KFFC.TO.W.0105.000000T0000Z-090420T0330Z/
DADE GA-
1051 PM EDT SUN APR 19 2009

...THE TORNADO WARNING FOR SOUTH CENTRAL DADE COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE 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.

LAT...LON 3465 8550 3470 8548 3473 8545 3480 8545
      3490 8527 3485 8527 3483 8521 3477 8520
      3476 8515 3472 8516 3471 8509 3452 8552
      3462 8554
TIME...MOT...LOC 0250Z 240DEG 27KT 3468 8537

$$

GAC055-295-200330-
/O.CON.KFFC.TO.W.0105.000000T0000Z-090420T0330Z/
CHATTOOGA GA-WALKER GA-
1051 PM EDT SUN APR 19 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT FOR WALKER
AND NORTHWESTERN CHATTOOGA COUNTIES...

AT 1050 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CEDAR GROVE... 
MOVING NORTHEAST AT 30 MPH. THE CIRCULATION HAS WEAKENED BUT MAY 
STILL PRODUCE A BRIEF TORNADO.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COOPER
HEIGHTS...LINWOOD...LAFAYETTE...NAOMI...NOBLE...CHICKAMAUGA AND ROCK
SPRING.

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.

&&

LAT...LON 3465 8550 3470 8548 3473 8545 3480 8545
      3490 8527 3485 8527 3483 8521 3477 8520
      3476 8515 3472 8516 3471 8509 3452 8552
      3462 8554
TIME...MOT...LOC 0250Z 240DEG 27KT 3468 8537

$$
000 
WWUS52 KFFC 200253
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1053 PM EDT SUN APR 19 2009

GAC055-083-295-200302-
/O.CAN.KFFC.TO.W.0105.000000T0000Z-090420T0330Z/
CHATTOOGA GA-DADE GA-WALKER GA-
1053 PM EDT SUN APR 19 2009

...THE TORNADO WARNING FOR WALKER...SOUTH CENTRAL DADE AND 
NORTHWESTERN CHATTOOGA COUNTIES HAS BEEN CANCELLED...

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER SUSPECTED TO BE 
PRODUCING A TORNADO. HOWEVER...STRONG GUSTY WINDS UP TO 45 MPH...VERY
HEAVY RAIN...AND SMALL HAIL ARE STILL POSSIBLE WITH THIS STORM.

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 3490 8527 3485 8527 3484 8520 3477 8520
      3477 8516 3476 8515 3472 8516 3472 8510
      3471 8509 3452 8552 3474 8556
TIME...MOT...LOC 0252Z 239DEG 29KT 3468 8543

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 10:12 PM EDTSevere Thunderstorm WarningFFCChattooga, Dade, Walker63 min
Apr 19, 10:33 PM EDTSevere Thunderstorm WarningFFCFloyd57 min
Apr 19, 10:40 PM EDTTornado WarningFFCCherokee, Cobb, Fulton34 min
Apr 19, 11:04 PM EDTTornado WarningFFCHarris, Muscogee71 min
Apr 19, 11:46 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson59 min
Apr 19, 11:51 PM EDTTornado WarningFFCChattahoochee, Harris, Marion, Muscogee, Talbot23 min
Apr 20, 12:07 AM EDTSevere Thunderstorm WarningFFCBanks, Dawson, Forsyth, Hall, Lumpkin, White53 min
Apr 20, 12:21 AM EDTTornado WarningFFCCarroll, Coweta, Douglas, Fulton54 min
Apr 20, 12:37 AM EDTTornado WarningFFCClayton, Cobb, Coweta, Douglas, Fayette, Fulton53 min
Apr 20, 3:26 PM EDTWind AdvisoryFFCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 55 more28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.