Alert archive / Georgia / Tornado Warnings in 2018

Tornado Warning 22, NWS Atlanta, GA

November 1, 2018Catoosa County, Walker County, Georgia

NWS Atlanta, GA issued this tornado warning at Nov 1, 2018, 1:39 PM EDT for Catoosa County, Walker County, Georgia. It was in force for 36 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: Nov 1, 2018, 1:39 PM EDT (17:39 UTC)
Expired: Nov 1, 2018, 2:15 PM EDT
In force: 36 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Catoosa County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 79 km from the middle of the area, began a volume at 17:42 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 181 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1197 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 462 m²/s²
0-3 km storm-relative helicity: 480 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

896 
WFUS52 KFFC 011739
TORFFC
GAC047-295-011815-
/O.NEW.KFFC.TO.W.0022.181101T1739Z-181101T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Peachtree City GA
139 PM EDT THU NOV 1 2018

The National Weather Service in Peachtree City has issued a

* Tornado Warning for...
  Northwestern Catoosa County in northwestern Georgia...
  North central Walker County in northwestern Georgia...

* Until 215 PM EDT.
    
* At 139 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Chattanooga  Valley, or 10 miles southwest of
  Chattanooga, moving northeast at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Ringgold, Fort Oglethorpe, Rossville, Chickamauga, Lookout
  Mountain, Fairview, Boynton, Lakeview, Chattanooga  Valley, Indian
  Springs, Graysville and Apison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3499 8502 3486 8530 3495 8539 3498 8536
TIME...MOT...LOC 1739Z 236DEG 23KT 3493 8533 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

1 follow-up statement

147 
WWUS52 KFFC 011806
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
206 PM EDT THU NOV 1 2018

GAC047-295-011816-
/O.EXP.KFFC.TO.W.0022.000000T0000Z-181101T1815Z/
Catoosa GA-Walker GA-
206 PM EDT THU NOV 1 2018

...THE TORNADO WARNING FOR NORTHWESTERN CATOOSA AND NORTH CENTRAL
WALKER COUNTIES WILL EXPIRE AT 215 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3499 8502 3486 8530 3495 8539 3498 8536
TIME...MOT...LOC 1806Z 236DEG 23KT 3501 8518 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 1, 12:54 PM EDT	Special Weather Statement	FFC	Dade, Walker	66 min
Nov 1, 1:07 PM EDT	Tornado Warning	FFC	Catoosa, Dade, Walker	38 min
Nov 1, 1:11 PM EDT	Special Weather Statement	FFC	Chattahoochee, Harris, Heard, Meriwether, Muscogee, Stewart and 1 more	34 min
Nov 1, 1:50 PM EDT	Special Weather Statement	FFC	Clayton, Coweta, Douglas, Fayette, Fulton	25 min
Nov 1, 1:54 PM EDT	Special Weather Statement	FFC	Chattahoochee, Harris, Marion, Meriwether, Muscogee, Pike and 4 more	36 min
Nov 1, 2:04 PM EDT	Tornado Warning	FFC	Coweta, Fayette	12 min
Nov 1, 2:14 PM EDT	Special Weather Statement	FFC	Whitfield	46 min
Nov 1, 2:21 PM EDT	Special Weather Statement	FFC	Clayton, DeKalb, Fayette, Henry, Spalding	39 min
Nov 1, 2:27 PM EDT	Special Weather Statement	FFC	Crawford, Lamar, Macon, Pike, Schley, Sumter and 3 more	48 min
Nov 1, 2:38 PM EDT	Special Weather Statement	FFC	Cherokee	52 min
Nov 1, 3:11 PM EDT	Special Weather Statement	FFC	Bibb, Butts, Crawford, Dooly, Henry, Houston and 5 more	49 min
Nov 1, 3:47 PM EDT	Special Weather Statement	FFC	Bleckley, Crisp, Houston, Pulaski, Twiggs	43 min
Nov 1, 3:50 PM EDT	Special Weather Statement	FFC	Bibb, Jasper, Jones, Morgan	40 min
Nov 1, 4:27 PM EDT	Special Weather Statement	FFC	Dodge, Laurens, Wilcox, Wilkinson	48 min
Nov 1, 4:30 PM EDT	Special Weather Statement	FFC	Baldwin, Greene, Oglethorpe, Putnam	45 min

Nearby

Tornado Warnings in Georgia, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.