Alert archive / Georgia / Tornado Warnings in 2010

Tornado Warning 17, NWS Atlanta, GA

April 25, 2010Walker County, Whitfield County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 25, 2010, 12:48 AM EDT for Walker County, Whitfield County, Georgia. It was in force for 42 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 25, 2010, 12:48 AM EDT (04:48 UTC)
Expired
Apr 25, 2010, 1:30 AM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Walker County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 107 km from the middle of the area, began a volume at 04:48 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
Apr 24, 8:11 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.8 hours before the alert went out and 156 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 2010-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 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 2010-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 604 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
92 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
604 m²/s²
0-3 km storm-relative helicity
815 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

742 
WFUS52 KFFC 250448
TORFFC
GAC295-313-250530-
/O.NEW.KFFC.TO.W.0017.100425T0448Z-100425T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1248 AM EDT SUN APR 25 2010

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN WALKER COUNTY IN NORTHWEST GEORGIA
  WHITFIELD COUNTY IN NORTHWEST GEORGIA

* UNTIL 130 AM EDT

* AT 1243 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 26 MILES
  SOUTHWEST OF DALTON...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  VILLANOW...MILL CREEK...ROCKY FACE...TILTON...DAWNVILLE AND
  BEAVERDALE.

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 SUNDAY MORNING FOR
NORTHERN GEORGIA.

&&

LAT...LON 3486 8482 3483 8486 3478 8484 3478 8488
      3471 8486 3470 8493 3467 8489 3466 8489
      3467 8494 3463 8491 3461 8493 3462 8505
      3459 8507 3458 8512 3476 8518 3476 8515
      3494 8483
TIME...MOT...LOC 0447Z 245DEG 38KT 3463 8533

$$
2 follow-up statements
063 
WWUS52 KFFC 250512
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
112 AM EDT SUN APR 25 2010

GAC295-313-250530-
/O.CON.KFFC.TO.W.0017.000000T0000Z-100425T0530Z/
WALKER GA-WHITFIELD GA-
112 AM EDT SUN APR 25 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR SOUTHERN
WHITFIELD AND EAST CENTRAL WALKER COUNTIES...

AT 107 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG ROTATION NEAR MILL CREEK...MOVING NORTHEAST AT 45 
MPH.  THIS STORM HAS WEAKENED...BUT A TORNADO MAY STILL OCCUR.  
QUARTER SIZED HAIL AND WIND GUSTS UP TO 60 MPH ARE ALSO POSSIBLE.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROCKY
FACE...TILTON...DALTON...DAWNVILLE AND BEAVERDALE.

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 SUNDAY MORNING FOR
NORTHERN GEORGIA.

&&

LAT...LON 3494 8483 3486 8482 3483 8486 3478 8484
      3478 8488 3471 8486 3470 8493 3467 8489
      3466 8489 3467 8494 3463 8492 3462 8497
      3466 8508 3475 8514
TIME...MOT...LOC 0511Z 245DEG 38KT 3474 8505

$$
371 
WWUS52 KFFC 250524
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
124 AM EDT SUN APR 25 2010

GAC295-250532-
/O.CAN.KFFC.TO.W.0017.000000T0000Z-100425T0530Z/
WALKER GA-
124 AM EDT SUN APR 25 2010

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

THE STORM THAT PROMPTED THE WARNING HAS EXITED WALKER 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 ALSO REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY 
MORNING FOR GEORGIA.

LAT...LON 3494 8483 3487 8483 3483 8486 3480 8486
      3478 8484 3478 8488 3471 8486 3469 8498
      3481 8502
TIME...MOT...LOC 0522Z 245DEG 38KT 3479 8492

$$

GAC313-250530-
/O.CON.KFFC.TO.W.0017.000000T0000Z-100425T0530Z/
WHITFIELD GA-
124 AM EDT SUN APR 25 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR CENTRAL
WHITFIELD COUNTY...

AT 121 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE ROTATION IN A THUNDERSTORM...ALTHOUGH THE ROTATION HAS BEEN 
WEAKENING.  THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 130 
AM...ALTHOUGH WINDS TO 45 MPH AND DIME SIZED HAIL MAY STILL BE 
POSSIBLE.  THE STORM WAS LOCATED NEAR DALTON...MOVING NORTHEAST AT 
45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DAWNVILLE AND BEAVERDALE.

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 900 AM EDT SUNDAY MORNING FOR
GEORGIA.

&&

LAT...LON 3494 8483 3487 8483 3483 8486 3480 8486
      3478 8484 3478 8488 3471 8486 3469 8498
      3481 8502
TIME...MOT...LOC 0522Z 245DEG 38KT 3479 8492

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 8:28 PM EDTRiver Flood WarningFFCForsyth, Fulton11 hr
Apr 24, 11:56 PM EDTTornado WarningFFCChattooga, Dade, Walker64 min
Apr 25, 12:35 AM EDTSevere Thunderstorm WarningFFCCrawford, Marion, Talbot, Taylor, Upson40 min
Apr 25, 1:00 AM EDTSevere Thunderstorm WarningFFCButts, Jasper, Jones, Lamar, Monroe30 min
Apr 25, 1:07 AM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Murray38 min
Apr 25, 1:18 AM EDTTornado WarningFFCChattooga49 min
Apr 25, 1:40 AM EDTFlash Flood WarningFFCWalker, Whitfield113 min
Apr 25, 1:40 AM EDTTornado WarningFFCFannin, Gilmer, Murray30 min
Apr 25, 1:49 AM EDTSevere Thunderstorm WarningFFCChattooga, Floyd41 min
Apr 25, 4:57 AM EDTSevere Thunderstorm WarningFFCCrisp, Dooly, Pulaski, Wilcox23 min
Apr 25, 5:13 AM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Pulaski32 min
Apr 25, 10:51 AM EDTRiver Flood WarningFFCWhitfield10 hr

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.