Alert archive / Georgia / Tornado Warnings in 2018

Tornado Warning 9, NWS Atlanta, GA

August 1, 2018Morgan County, Newton County, Walton County, Georgia

NWS Atlanta, GA issued this tornado warning at Aug 1, 2018, 7:24 PM EDT for Morgan County, Newton County, Walton County, Georgia. It was in force for 36 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 1, 2018, 7:24 PM EDT (23:24 UTC)
Expired
Aug 1, 2018, 8:00 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Morgan County, GA, Newton County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 102 km from the middle of the area, began a volume at 23:25 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

TimeReportWhereRemark
Aug 1, 7:32 PM EDTTORNADO2 Ne Social Circle, GAA SMALL SUPERCELL THUNDERSTORM PRODUCED A BRIEF EF1 TORNADO IN THE NORTHERN PARTS OF SOCIAL CIRCLE. THE TORNADO BEGAN NEAR THE 1400 BLOCK OF SOCIAL CIRCLE FAIRPLAY RD AND TRAVELED EAST ALONG THE ROAD FOR 1/3 OF A MILE, SNAPPING TRUNKS OR VERY LARGE BRANCHES OF

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, 11.4 hours before the alert went out and 96 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 2018-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 764 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 12:00Z on 2018-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.193958Sfc1 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
764 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
464 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted.

933 
WFUS52 KFFC 012324
TORFFC
GAC211-217-297-020000-
/O.NEW.KFFC.TO.W.0009.180801T2324Z-180802T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Peachtree City GA
724 PM EDT WED AUG 1 2018

The National Weather Service in Peachtree City has issued a

* Tornado Warning for...
  Northwestern Morgan County in north central Georgia...
  Eastern Walton County in north central Georgia...
  Northeastern Newton County in north central Georgia...

* Until 800 PM EDT.
    
* At 723 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Social Circle, or 8 miles northeast of Covington,
  moving northeast at 20 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.


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 3391 8364 3390 8363 3389 8363 3388 8360
      3385 8357 3380 8348 3377 8346 3373 8345
      3357 8372 3363 8383 3391 8366
TIME...MOT...LOC 2323Z 218DEG 19KT 3364 8373 

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

$$
2 follow-up statements
458 
WWUS52 KFFC 012344
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
744 PM EDT WED AUG 1 2018

GAC211-217-012353-
/O.CAN.KFFC.TO.W.0009.000000T0000Z-180802T0000Z/
Morgan GA-Newton GA-
744 PM EDT WED AUG 1 2018

...THE TORNADO WARNING FOR NORTHWESTERN MORGAN AND NORTHEASTERN
NEWTON COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has no longer 
expected to affect Morgan and Newtown counties. Therefore, the 
warning has been cancelled.

LAT...LON 3391 8364 3389 8363 3388 8360 3385 8357
      3384 8355 3382 8353 3382 8351 3367 8362
      3367 8363 3373 8374 3391 8366
TIME...MOT...LOC 2343Z 218DEG 19KT 3373 8365 

$$

GAC297-020000-
/O.CON.KFFC.TO.W.0009.000000T0000Z-180802T0000Z/
Walton GA-
744 PM EDT WED AUG 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR EASTERN
WALTON COUNTY...
    
At 743 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Ebenezer, or near Monroe, moving northeast at 20
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.


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.

&&

LAT...LON 3391 8364 3389 8363 3388 8360 3385 8357
      3384 8355 3382 8353 3382 8351 3367 8362
      3367 8363 3373 8374 3391 8366
TIME...MOT...LOC 2343Z 218DEG 19KT 3373 8365 

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

$$
914 
WWUS52 KFFC 012352
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
752 PM EDT WED AUG 1 2018

GAC297-020001-
/O.EXP.KFFC.TO.W.0009.000000T0000Z-180802T0000Z/
Walton GA-
752 PM EDT WED AUG 1 2018

...THE TORNADO WARNING FOR EASTERN WALTON COUNTY WILL EXPIRE AT 800
PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Peachtree City.

LAT...LON 3391 8364 3389 8363 3388 8360 3385 8357
      3384 8355 3382 8353 3382 8351 3367 8362
      3367 8363 3373 8374 3391 8366
TIME...MOT...LOC 2351Z 218DEG 19KT 3376 8362 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:17 PM EDTFlash Flood WarningFFCPolk58 min
Aug 1, 1:41 AM EDTRiver Flood WarningFFCGwinnett10 hr
Aug 1, 1:36 PM EDTSpecial Weather StatementFFCTwiggs39 min
Aug 1, 2:15 PM EDTSpecial Weather StatementFFCBaldwin45 min
Aug 1, 2:48 PM EDTSpecial Weather StatementFFCToombs42 min
Aug 1, 4:03 PM EDTSpecial Weather StatementFFCJefferson27 min
Aug 1, 4:12 PM EDTSpecial Weather StatementFFCMadison33 min
Aug 1, 4:32 PM EDTSpecial Weather StatementFFCJefferson13 min
Aug 1, 7:18 PM EDTSpecial Weather StatementFFCOglethorpe, Taliaferro, Wilkes42 min
Aug 1, 7:21 PM EDTSpecial Weather StatementFFCOconee, Walton39 min
Aug 1, 7:46 PM EDTRiver Flood WarningFFCGwinnett3 hr
Aug 1, 7:58 PM EDTSpecial Weather StatementFFCClarke, Oconee47 min

Nearby

Tornado Warnings in Georgia, 2018Every tornado warning in 2018Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.