Alert archive / Georgia / Tornado Warnings in 2020

Tornado Warning 54, NWS Atlanta, GA

October 10, 2020Henry County, Spalding County, Georgia

NWS Atlanta, GA issued this tornado warning at Oct 10, 2020, 7:05 PM EDT for Henry County, Spalding County, Georgia. It was in force for 25 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
Oct 10, 2020, 7:05 PM EDT (23:05 UTC)
Expired
Oct 10, 2020, 7:30 PM EDT
In force
25 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Henry County, GA, Spalding County, GA

The radar

The Atlanta radar (KFFC), 40 km from the middle of the area, began a volume at 23:04 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
Oct 10, 1:47 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.1 hours before the alert went out and 34 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 12:00Z on 2020-10-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 261 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2020-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.19395878Sfc1 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
261 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
503 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

818 
WFUS52 KFFC 102305
TORFFC
GAC151-255-102330-
/O.NEW.KFFC.TO.W.0054.201010T2305Z-201010T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Peachtree City GA
705 PM EDT Sat Oct 10 2020

The National Weather Service in Peachtree City has issued a

* Tornado Warning for...
  Eastern Spalding County in west central Georgia...
  Southwestern Henry County in north central Georgia...

* Until 730 PM EDT.
    
* At 705 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over East Griffin, or over Griffin, moving northeast at
  30 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...
  Griffin, Hampton, Locust Grove, Orchard Hill, East Griffin,
  Highland Mills, Towalaga, Luella, Experiment, Walker Mill and
  Rover.

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 3344 8425 3334 8403 3333 8405 3331 8406
      3332 8407 3330 8407 3330 8410 3329 8409
      3325 8412 3324 8412 3318 8419 3318 8422
      3319 8423 3319 8434
TIME...MOT...LOC 2305Z 206DEG 26KT 3322 8425 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 4:01 AM EDTFlash Flood WatchFFCCherokee, Cobb, Dawson, DeKalb, Fannin, Forsyth and 10 more24 hr
Oct 10, 4:27 PM EDTTornado WarningFFCChattahoochee, Marion, Muscogee, Stewart27 min
Oct 10, 4:29 PM EDTSpecial Weather StatementFFCHarris31 min
Oct 10, 4:39 PM EDTTornado WarningFFCHarris, Muscogee51 min
Oct 10, 4:58 PM EDTSpecial Weather StatementFFCJackson32 min
Oct 10, 5:01 PM EDTSpecial Weather StatementFFCWalton29 min
Oct 10, 5:03 PM EDTSpecial Weather StatementFFCMuscogee27 min
Oct 10, 5:12 PM EDTSpecial Weather StatementFFCTroup33 min
Oct 10, 5:13 PM EDTTornado WarningFFCGwinnett, Walton32 min
Oct 10, 5:17 PM EDTSpecial Weather StatementFFCMarion28 min
Oct 10, 5:20 PM EDTSpecial Weather StatementFFCLaurens25 min
Oct 10, 5:27 PM EDTTornado WarningFFCHarris, Meriwether, Pike, Talbot, Upson48 min
Oct 10, 5:36 PM EDTSpecial Weather StatementFFCCarroll, Heard24 min
Oct 10, 5:38 PM EDTTornado WarningFFCCarroll, Heard37 min
Oct 10, 5:43 PM EDTSpecial Weather StatementFFCCoweta32 min
Oct 10, 5:44 PM EDTSpecial Weather StatementFFCWebster31 min
Oct 10, 5:46 PM EDTSpecial Weather StatementFFCTalbot29 min
Oct 10, 5:53 PM EDTSpecial Weather StatementFFCHarris37 min
Oct 10, 6:03 PM EDTSpecial Weather StatementFFCJohnson27 min
Oct 10, 6:10 PM EDTTornado WarningFFCCarroll, Coweta, Fulton35 min
Oct 10, 6:11 PM EDTTornado WarningFFCTalbot, Taylor, Upson34 min
Oct 10, 6:16 PM EDTSpecial Weather StatementFFCPike29 min
Oct 10, 6:21 PM EDTTornado WarningFFCPike, Spalding24 min
Oct 10, 6:24 PM EDTTornado WarningFFCJohnson, Washington36 min
Oct 10, 6:26 PM EDTSpecial Weather StatementFFCFloyd, Haralson, Polk34 min
Oct 10, 6:33 PM EDTTornado WarningFFCCarroll, Coweta, Douglas, Fulton27 min
Oct 10, 6:42 PM EDTTornado WarningFFCHall, Jackson48 min
Oct 10, 6:44 PM EDTSevere Thunderstorm WarningFFCFloyd, Haralson, Polk31 min
Oct 10, 6:45 PM EDTTornado WarningFFCLamar, Monroe, Upson45 min
Oct 10, 6:49 PM EDTTornado WarningFFCClayton, Fayette, Henry, Spalding26 min
Oct 10, 6:51 PM EDTSpecial Weather StatementFFCToombs24 min
Oct 10, 6:55 PM EDTTornado WarningFFCFloyd, Polk35 min
Oct 10, 6:56 PM EDTSpecial Weather StatementFFCHarris34 min
Oct 10, 7:02 PM EDTSpecial Weather StatementFFCClayton, Cobb, Douglas, Fulton, Paulding28 min
Oct 10, 7:17 PM EDTTornado WarningFFCClayton, Henry28 min
Oct 10, 7:24 PM EDTTornado WarningFFCButts, Henry, Lamar, Monroe36 min
Oct 10, 7:26 PM EDTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd, Gordon34 min
Oct 10, 7:27 PM EDTSpecial Weather StatementFFCClayton, Cobb, DeKalb, Fulton33 min
Oct 10, 7:39 PM EDTTornado WarningFFCClayton, Henry22 min
Oct 10, 7:47 PM EDTTornado WarningFFCClayton, DeKalb, Henry28 min
Oct 10, 7:52 PM EDTSpecial Weather StatementFFCHenry23 min

Nearby

Tornado Warnings in Georgia, 2020Every tornado warning in 2020Tornadoes in 2020

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.