Alert archive / Georgia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 294, NWS Atlanta, GA

August 23, 2019Catoosa County, Walker County, Whitfield County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 23, 2019, 3:48 PM EDT for Catoosa County, Walker County, Whitfield County, Georgia. It was in force for 42 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: Aug 23, 2019, 3:48 PM EDT (19:48 UTC)
Expired: Aug 23, 2019, 4:30 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Catoosa County, GA, Walker County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 91 km from the middle of the area, began a volume at 19:48 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.

What was reported inside it

Time	Report	Where	Remark
Aug 23, 4:07 PM EDT	TSTM WND DMG	2 N Tunnel Hill, GA	TREE DOWN NEAR INTERSECTION OF WILBANKS ROAD AND LAKE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.8 hours before the alert went out and 179 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: 894 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: -11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

053 
WUUS52 KFFC 231948
SVRFFC
GAC047-295-313-232030-
/O.NEW.KFFC.SV.W.0294.190823T1948Z-190823T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
348 PM EDT Fri Aug 23 2019

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Catoosa County in northwestern Georgia...
  Central Whitfield County in northwestern Georgia...
  Central Walker County in northwestern Georgia...

* Until 430 PM EDT.

* At 348 PM EDT, a severe thunderstorm was located over Blue Spring,
  or near Ringgold, moving northeast at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Dalton, Ringgold, Fort Oglethorpe, Chickamauga, Varnell, Tunnel
  Hill, Cohutta, Noble, Wood Station, Indian Springs, Rocky Face,
  Graysville, Blue Spring, Boynton, Beaumont, Rock Spring, Apison and
  Fairview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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 or tweet us your report at NWSATLANTA.

&&

LAT...LON 3494 8494 3479 8494 3477 8532 3491 8531
      3499 8513 3499 8499
TIME...MOT...LOC 1948Z 241DEG 8KT 3489 8519 

HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

982 
WWUS52 KFFC 232017
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
417 PM EDT Fri Aug 23 2019

GAC295-232026-
/O.CAN.KFFC.SV.W.0294.000000T0000Z-190823T2030Z/
Walker GA-
417 PM EDT Fri Aug 23 2019

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WALKER COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3494 8494 3479 8494 3478 8512 3492 8514
      3499 8510 3499 8499
TIME...MOT...LOC 2016Z 272DEG 16KT 3488 8503 

$$

GAC047-313-232030-
/O.CON.KFFC.SV.W.0294.000000T0000Z-190823T2030Z/
Catoosa GA-Whitfield GA-
417 PM EDT Fri Aug 23 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EASTERN CATOOSA AND CENTRAL WHITFIELD COUNTIES...

At 416 PM EDT, a severe thunderstorm was located over Tunnel Hill, or
near Ringgold, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Dalton, Ringgold, Varnell, Tunnel Hill, Cohutta, Rocky Face and
Apison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3494 8494 3479 8494 3478 8512 3492 8514
      3499 8510 3499 8499
TIME...MOT...LOC 2016Z 272DEG 16KT 3488 8503 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 9:16 PM EDT	Special Weather Statement	FFC	Sumter	29 min
Aug 23, 1:56 PM EDT	Special Weather Statement	FFC	Lumpkin, White	49 min
Aug 23, 3:06 PM EDT	Special Weather Statement	FFC	Paulding	39 min
Aug 23, 3:14 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	46 min
Aug 23, 4:03 PM EDT	Special Weather Statement	FFC	Warren	27 min
Aug 23, 4:15 PM EDT	Special Weather Statement	FFC	Dawson, Lumpkin, Pickens	30 min
Aug 23, 5:01 PM EDT	Flash Flood Warning	FFC	Dawson, Pickens	61 min
Aug 23, 5:25 PM EDT	Special Weather Statement	FFC	Taliaferro	50 min
Aug 23, 5:37 PM EDT	Special Weather Statement	FFC	Union	23 min
Aug 23, 5:53 PM EDT	Severe Thunderstorm Warning	FFC	Wilkes	37 min
Aug 23, 6:09 PM EDT	Special Weather Statement	FFC	Barrow, Clarke, Jackson, Madison, Oconee, Oglethorpe	51 min
Aug 23, 6:18 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Morgan, Oconee, Oglethorpe	42 min
Aug 23, 6:25 PM EDT	Special Weather Statement	FFC	Hancock	35 min
Aug 23, 6:28 PM EDT	Flash Flood Warning	FFC	Taliaferro	6 hr
Aug 23, 6:36 PM EDT	Severe Thunderstorm Warning	FFC	Clarke, Jackson, Madison, Oconee, Oglethorpe	39 min
Aug 23, 7:05 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson, Washington	40 min
Aug 23, 7:14 PM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson, Warren, Washington	31 min
Aug 23, 7:18 PM EDT	Severe Thunderstorm Warning	FFC	Washington	27 min
Aug 23, 7:30 PM EDT	Special Weather Statement	FFC	Johnson	45 min
Aug 23, 7:32 PM EDT	Special Weather Statement	FFC	Greene	28 min
Aug 23, 7:45 PM EDT	Special Weather Statement	FFC	Glascock, Jefferson	30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2019 Every severe thunderstorm warning in 2019

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.