Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 7, NWS Atlanta, GA

March 19, 2018Marion County, Schley County, Taylor County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 19, 2018, 5:15 PM EDT for Marion County, Schley County, Taylor County, Georgia. It was in force for 30 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
Mar 19, 2018, 5:15 PM EDT (21:15 UTC)
Expired
Mar 19, 2018, 5:45 PM EDT
In force
30 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Marion County, GA, Schley County, GA, Taylor County, GA

The radar

The Robins AFB radar (KJGX), 103 km from the middle of the area, began a volume at 21:17 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.3 hours before the alert went out and 108 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 2018-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

270 
WUUS52 KFFC 192115
SVRFFC
GAC197-249-269-192145-
/O.NEW.KFFC.SV.W.0007.180319T2115Z-180319T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
515 PM EDT MON MAR 19 2018

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Central Marion County in west central Georgia...
  Northwestern Schley County in west central Georgia...
  Southwestern Taylor County in west central Georgia...

* Until 545 PM EDT

* At 514 PM EDT, a severe thunderstorm was located over Brantley, or
  near Buena Vista, moving east at 45 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...
  Brantley, Rupert, Charing, Tazewell and Oakland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3236 8464 3246 8465 3251 8417 3240 8421
      3240 8425 3232 8426
TIME...MOT...LOC 2114Z 270DEG 41KT 3241 8457 

HAIL...1.00IN
WIND...60MPH
 
$$
2 follow-up statements
264 
WWUS52 KFFC 192138
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
538 PM EDT MON MAR 19 2018

GAC197-192147-
/O.CAN.KFFC.SV.W.0007.000000T0000Z-180319T2145Z/
Marion GA-
538 PM EDT MON MAR 19 2018

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MARION COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning in central Marion 
county has moved out of the area. Therefore, the warning has been 
cancelled.

LAT...LON 3233 8430 3232 8433 3233 8433 3233 8439
      3243 8439 3245 8441 3248 8440 3251 8417
      3240 8421 3240 8425 3232 8426
TIME...MOT...LOC 2137Z 270DEG 41KT 3241 8425 

$$

GAC249-269-192145-
/O.CON.KFFC.SV.W.0007.000000T0000Z-180319T2145Z/
Schley GA-Taylor GA-
538 PM EDT MON MAR 19 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHWESTERN SCHLEY AND SOUTHWESTERN TAYLOR COUNTIES...

At 537 PM EDT, a severe thunderstorm was located over Rupert, or 10
miles south of Butler, moving east at 45 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...
Rupert and Charing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3233 8430 3232 8433 3233 8433 3233 8439
      3243 8439 3245 8441 3248 8440 3251 8417
      3240 8421 3240 8425 3232 8426
TIME...MOT...LOC 2137Z 270DEG 41KT 3241 8425 

HAIL...1.00IN
WIND...60MPH
 
$$
524 
WWUS52 KFFC 192144
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
544 PM EDT MON MAR 19 2018

GAC249-269-192154-
/O.EXP.KFFC.SV.W.0007.000000T0000Z-180319T2145Z/
Schley GA-Taylor GA-
544 PM EDT MON MAR 19 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SCHLEY AND
SOUTHWESTERN TAYLOR COUNTIES WILL EXPIRE AT 545 PM EDT...
                
The storm which prompted the warning has weakened just below severe 
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However small hail 
and heavy rain are still possible with this thunderstorm as it moves 
into Macon county.

LAT...LON 3233 8430 3232 8433 3233 8433 3233 8439
      3243 8439 3245 8441 3248 8440 3251 8417
      3240 8421 3240 8425 3232 8426
TIME...MOT...LOC 2144Z 270DEG 41KT 3241 8421 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 12:14 PM EDTSpecial Weather StatementFFCGilmer31 min
Mar 19, 12:44 PM EDTSpecial Weather StatementFFCLumpkin31 min
Mar 19, 1:11 PM EDTSpecial Weather StatementFFCLumpkin, White34 min
Mar 19, 5:00 PM EDTSpecial Weather StatementFFCCrisp, Sumter30 min
Mar 19, 5:03 PM EDTSpecial Weather StatementFFCCarroll27 min
Mar 19, 5:14 PM EDTSevere Thunderstorm WarningFFCCrisp, Dooly, Sumter31 min
Mar 19, 5:34 PM EDTSpecial Weather StatementFFCCrisp, Wilcox26 min
Mar 19, 5:38 PM EDTSpecial Weather StatementFFCDade37 min
Mar 19, 5:44 PM EDTSevere Thunderstorm WarningFFCCrisp, Dooly, Pulaski, Wilcox31 min
Mar 19, 5:47 PM EDTSpecial Weather StatementFFCMacon28 min
Mar 19, 6:01 PM EDTSpecial Weather StatementFFCCatoosa29 min
Mar 19, 6:02 PM EDTSevere Thunderstorm WarningFFCHouston, Macon, Peach28 min
Mar 19, 6:06 PM EDTSevere Thunderstorm WarningFFCHouston, Pulaski24 min
Mar 19, 6:18 PM EDTSpecial Weather StatementFFCBleckley27 min
Mar 19, 6:28 PM EDTSevere Thunderstorm WarningFFCDooly, Houston, Pulaski32 min
Mar 19, 6:36 PM EDTSpecial Weather StatementFFCLamar, Monroe24 min
Mar 19, 6:43 PM EDTSpecial Weather StatementFFCLaurens32 min
Mar 19, 7:00 PM EDTSpecial Weather StatementFFCPulaski30 min
Mar 19, 7:02 PM EDTSpecial Weather StatementFFCJohnson28 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2018Every severe thunderstorm warning 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.