Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 11, NWS Atlanta, GA

March 19, 2018Dooly County, Houston County, Pulaski County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 19, 2018, 6:28 PM EDT for Dooly County, Houston County, Pulaski County, Georgia. It was in force for 32 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
Mar 19, 2018, 6:28 PM EDT (22:28 UTC)
Expired
Mar 19, 2018, 7:00 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Dooly County, GA, Houston County, GA, Pulaski County, GA

The radar

The Robins AFB radar (KJGX), 51 km from the middle of the area, began a volume at 22:31 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
Mar 19, 6:30 PM EDTHAIL 1.751 Ese Henderson, GAESTIMATED GOLFBALL HAIL REPORT OFF I-75 AT THE TWIN OAK RV PARK. EMPLOYEE STATED THERE WAS A LOT OF IT.

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, 10.5 hours before the alert went out and 137 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.

600 
WUUS52 KFFC 192228
SVRFFC
GAC093-153-235-192300-
/O.NEW.KFFC.SV.W.0011.180319T2228Z-180319T2300Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northwestern Pulaski County in central Georgia...
  Northeastern Dooly County in central Georgia...
  Southern Houston County in central Georgia...

* Until 700 PM EDT

* At 628 PM EDT, a severe thunderstorm was located over Henderson, or
  8 miles southwest of Perry, moving east at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Hawkinsville, Unadilla, Hayneville, Browndale, Grovania, Elko,
  Grove Park, Henderson, Klondike and Clinchfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding especially in poor drainage areas. Do not drive your
vehicle through flooded roadways. Slow down and be prepared for
possible loss of control due to hydroplaning.

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 3228 8385 3239 8384 3246 8351 3223 8352
TIME...MOT...LOC 2228Z 274DEG 36KT 3234 8380 

HAIL...1.25IN
WIND...60MPH
 
$$
1 follow-up statement
885 
WWUS52 KFFC 192255
SVSFFC

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

GAC093-153-235-192303-
/O.EXP.KFFC.SV.W.0011.000000T0000Z-180319T2300Z/
Pulaski GA-Dooly GA-Houston GA-
655 PM EDT MON MAR 19 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PULASKI...
NORTHEASTERN DOOLY AND SOUTHERN HOUSTON COUNTIES WILL EXPIRE AT 700
PM EDT...
                
The storm which prompted the warning has weakened 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, lightning and heavy rain are still possible with this 
thunderstorm as it tracks across northern Pulaski and Bleckley 
county.

LAT...LON 3228 8385 3239 8384 3246 8351 3223 8352
TIME...MOT...LOC 2253Z 274DEG 36KT 3232 8354 

$$

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, 5:15 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Taylor30 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, 6:36 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.