Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 25, NWS Atlanta, GA

April 29, 2014Chattooga County, Dade County, Walker County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 29, 2014, 3:24 AM EDT for Chattooga County, Dade County, Walker County, Georgia. It was in force for 51 min. 2 reports 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 29, 2014, 3:24 AM EDT (07:24 UTC)
Expired: Apr 29, 2014, 4:15 AM EDT
In force: 51 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), 82 km from the middle of the area, began a volume at 07:23 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

Time	Report	Where	Remark
Apr 29, 3:55 AM EDT	TSTM WND DMG	5 N Lafayette, GA	THE WALKER COUNTY EMERGENCY MANAGER REPORTED AROUND 14 TREES WERE EITHER SNAPPED OR BLOWN DOWN AFFECTING SEVERAL ROADS IN THE DAVIS CROSSROADS TO CHICKAMAUGA TO LAFAYETTE AREA.
Apr 29, 4:00 AM EDT	TSTM WND DMG	3 Nw Summerville, GA	* 1 INJ * SEVERAL TREES WERE EITHER SNAPPED OR BLOWN DOWN IN AN AREA FROM CLOUDLAND TO TRION TO SUMMERVILLE. A LARGE TREE FELL ON A HOUSE OFF BUTLER DAIRY ROAD. THE TREE PENETRATED THE ROOF AND CEILING WHICH CAUSED INJURY TO THE HOMEOWNER. FIRST RESPONDERS

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.

Issued	Product	Office	Lasted
Apr 28, 8:59 PM EDT	Tornado Watch	SPC	11 hr
Apr 29, 2:56 AM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.4 hours before the alert went out and 166 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1978 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1007 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 13.0

Open this sounding in Storm Lab

The text

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

803 
WUUS52 KFFC 290724
SVRFFC
GAC055-083-295-290815-
/O.NEW.KFFC.SV.W.0025.140429T0724Z-140429T0815Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
324 AM EDT TUE APR 29 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHATTOOGA COUNTY IN NORTHWEST GEORGIA
  SOUTHERN DADE COUNTY IN NORTHWEST GEORGIA
  WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 415 AM EDT

* AT 319 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LARGE SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP   
  TO 60 MPH.  THIS STORM EXTENDED FROM ABOUT 20 MILES WEST OF TRION  
  TO 15 MILES SOUTHWEST OF TRION... AND MOVING EAST AT 30 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3495 8527 3486 8526 3485 8520 3478 8520
      3477 8514 3472 8517 3472 8505 3459 8506
      3459 8510 3456 8512 3444 8549 3476 8557
TIME...MOT...LOC 0723Z 252DEG 27KT 3464 8566 3456 8556
          3444 8555

$$

3 follow-up statements

135 
WWUS52 KFFC 290741
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
341 AM EDT TUE APR 29 2014

GAC055-083-295-290815-
/O.CON.KFFC.SV.W.0025.000000T0000Z-140429T0815Z/
WALKER GA-CHATTOOGA GA-DADE GA-
341 AM EDT TUE APR 29 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM EDT
FOR SOUTHERN DADE...NORTHERN CHATTOOGA AND WALKER COUNTIES...

AT 340 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LARGE SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING 
WINDS IN EXCESS OF 60 MPH. THIS STORM EXTENDED FROM JUST SOUTH OF 
RISING FAWN TO JUST NORTH OF CLOUDLAND... AND MOVING NORTHEAST AT 35 
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CENTER
POST...TRION...COOPER HEIGHTS...LINWOOD...LAFAYETTE...SUBLIGNA...
NOBLE...NAOMI...SUTTLES MILL...CHICKAMAUGA...ROCK SPRING AND VILLANOW

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3495 8527 3486 8526 3485 8520 3478 8520
      3477 8514 3472 8517 3472 8505 3459 8506
      3459 8510 3456 8512 3444 8549 3476 8557
TIME...MOT...LOC 0739Z 243DEG 35KT 3473 8550 3465 8542
          3454 8542

$$

442 
WWUS52 KFFC 290803
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
403 AM EDT TUE APR 29 2014

GAC055-083-290810-
/O.CAN.KFFC.SV.W.0025.000000T0000Z-140429T0815Z/
CHATTOOGA GA-DADE GA-
403 AM EDT TUE APR 29 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN DADE AND NORTHERN
CHATTOOGA COUNTIES IS CANCELLED...

THE SEVERE THREAT HAS MOVED EAST OF DADE COUNTY... AND NORTH OF 
CHATTOOGA COUNTY. 

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.

LAT...LON 3495 8527 3485 8526 3485 8520 3478 8520
      3477 8514 3472 8517 3472 8505 3459 8506
      3459 8552 3463 8554 3467 8549 3469 8549
      3473 8546 3484 8545
TIME...MOT...LOC 0800Z 243DEG 35KT 3481 8529 3475 8520
          3464 8522

$$

GAC295-290815-
/O.CON.KFFC.SV.W.0025.000000T0000Z-140429T0815Z/
WALKER GA-
403 AM EDT TUE APR 29 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM EDT
FOR WALKER COUNTY...

AT 402 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LARGE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN 
THE 50 TO 60 MPH RANGE. THIS STORM EXTENDED FROM NEAR COOPER HEIGHTS 
TO NEAR SUTTLES MILL...AND WAS MOVING NORTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CHICKAMAUGA AND ROCK SPRING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3495 8527 3485 8526 3485 8520 3478 8520
      3477 8514 3472 8517 3472 8505 3459 8506
      3459 8552 3463 8554 3467 8549 3469 8549
      3473 8546 3484 8545
TIME...MOT...LOC 0800Z 243DEG 35KT 3481 8529 3475 8520
          3464 8522

$$

902 
WWUS52 KFFC 290813
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
413 AM EDT TUE APR 29 2014

GAC295-290822-
/O.EXP.KFFC.SV.W.0025.000000T0000Z-140429T0815Z/
WALKER GA-
413 AM EDT TUE APR 29 2014

...THE SEVERE THUNDERSTORM WARNING FOR WALKER COUNTY WILL EXPIRE AT
415 AM EDT...

THE ONCE SEVERE STORM HAS WEAKENED BELOW SEVERE LIMITS AND IS 
QUICKLY MOVING EAST OF WALKER COUNTY. THEREFORE... THE WARNING WILL 
BE ALLOWED TO EXPIRE AT 415 AM EDT. 

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.

LAT...LON 3495 8527 3485 8526 3485 8520 3478 8520
      3477 8514 3472 8517 3472 8505 3459 8506
      3459 8552 3463 8554 3467 8549 3469 8549
      3473 8546 3484 8545
TIME...MOT...LOC 0812Z 243DEG 35KT 3489 8519 3483 8510
          3472 8512

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 8:58 PM EDT	Special Weather Statement	FFC	Murray	17 min
Apr 28, 9:29 PM EDT	Tornado Warning	FFC	Dade	31 min
Apr 28, 11:15 PM EDT	Special Weather Statement	FFC	Chattooga, Walker	45 min
Apr 28, 11:18 PM EDT	Special Weather Statement	FFC	Catoosa	27 min
Apr 29, 2:29 AM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Dade, Walker	46 min
Apr 29, 3:09 AM EDT	Special Weather Statement	FFC	Carroll	51 min
Apr 29, 3:34 AM EDT	Flash Flood Warning	FFC	Catoosa, Chattooga, Dade, Walker, Whitfield	6 hr
Apr 29, 4:06 AM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	24 min
Apr 29, 4:10 AM EDT	Special Weather Statement	FFC	Heard	50 min
Apr 29, 4:30 AM EDT	Special Weather Statement	FFC	Chattahoochee, Harris, Muscogee	60 min
Apr 29, 5:01 AM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee	44 min
Apr 29, 5:03 AM EDT	Tornado Warning	FFC	Harris, Muscogee	42 min
Apr 29, 6:09 AM EDT	Special Weather Statement	FFC	Stewart, Sumter, Webster	51 min
Apr 29, 7:03 AM EDT	Special Weather Statement	FFC	Crisp, Dooly, Houston, Macon, Peach, Pulaski and 1 more	57 min
Apr 29, 7:22 AM EDT	Special Weather Statement	FFC	Gilmer, Pickens	68 min
Apr 29, 8:03 AM EDT	Special Weather Statement	FFC	Crisp, Dooly, Pulaski, Sumter, Wilcox	57 min
Apr 29, 9:04 AM EDT	Special Weather Statement	FFC	Dodge, Laurens, Wilcox	56 min
Apr 29, 9:15 AM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski	30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014 Every severe thunderstorm warning in 2014

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.