Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

May 19, 2018Lee County, Georgia

NWS Atlanta, GA issued this special weather statement at May 19, 2018, 11:21 PM EDT for Lee County, Georgia. It was in force for 24 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
May 19, 2018, 11:21 PM EDT (03:21 UTC)
Expired
May 19, 2018, 11:45 PM EDT
In force
24 min
Issued by
NWS Atlanta, GA

County Lee County, GA

The radar

The Robins AFB radar (KJGX), 102 km from the middle of the area, began a volume at 03:24 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 00:00Z, 3.4 hours before the alert went out and 170 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 00:00Z on 2018-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 964 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2018-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 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
964 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1344 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

168 
WWUS82 KFFC 200321
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
1121 PM EDT SAT MAY 19 2018
 
GAZ104-106-200345-
Crisp GA-Sumter GA-
1121 PM EDT SAT MAY 19 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CRISP AND
SOUTHEASTERN SUMTER COUNTIES UNTIL 1145 PM EDT...

At 1121 PM EDT...a strong thunderstorm was over Cobb, or 12 miles
west of Cordele. This storm was nearly stationary.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially 
           in poor drainage areas.

Some locations in the path of this storm include
Leslie, De Soto, Desoto, Cobb, Georgia Veterans Memorial St Pk and
Raines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3188 8393 3191 8392 3192 8411 3200 8416
      3198 8381 3187 8387 3187 8393
TIME...MOT...LOC 0321Z 186DEG 4KT 3194 8398 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 8:37 PM EDTSpecial Weather StatementFFCEmanuel, Montgomery23 min
May 19, 9:16 PM EDTSpecial Weather StatementFFCBarrow, Gwinnett, Jackson, Madison29 min
May 19, 9:46 PM EDTSpecial Weather StatementFFCBarrow, Jackson, Madison29 min
May 19, 10:49 PM EDTSpecial Weather StatementFFCLee26 min
May 20, 1:05 PM EDTSpecial Weather StatementFFCGilmer40 min
May 20, 2:02 PM EDTSpecial Weather StatementFFCGilmer28 min
May 20, 2:22 PM EDTSpecial Weather StatementFFCBleckley38 min
May 20, 2:29 PM EDTSpecial Weather StatementFFCPickens31 min
May 20, 2:58 PM EDTSpecial Weather StatementFFCLumpkin, White32 min
May 20, 3:09 PM EDTSpecial Weather StatementFFCWilkinson36 min
May 20, 3:30 PM EDTSpecial Weather StatementFFCWhite30 min
May 20, 4:05 PM EDTSpecial Weather StatementFFCHall25 min
May 20, 4:07 PM EDTSpecial Weather StatementFFCWashington23 min
May 20, 4:42 PM EDTSpecial Weather StatementFFCMonroe33 min
May 20, 4:49 PM EDTSpecial Weather StatementFFCGwinnett26 min
May 20, 5:06 PM EDTSpecial Weather StatementFFCBarrow, Butts, Clarke, DeKalb, Greene, Gwinnett and 7 more24 min
May 20, 5:07 PM EDTSpecial Weather StatementFFCCobb, Douglas, Fulton23 min
May 20, 5:30 PM EDTSpecial Weather StatementFFCBarrow, DeKalb, Douglas, Fulton, Gwinnett30 min
May 20, 5:31 PM EDTSpecial Weather StatementFFCCoweta29 min
May 20, 5:58 PM EDTSpecial Weather StatementFFCDeKalb32 min
May 20, 6:00 PM EDTSpecial Weather StatementFFCPaulding30 min
May 20, 6:22 PM EDTSpecial Weather StatementFFCChattooga38 min
May 20, 6:29 PM EDTSpecial Weather StatementFFCClayton31 min
May 20, 6:48 PM EDTSevere Thunderstorm WarningFFCClayton, Coweta, Fayette, Fulton27 min
May 20, 6:56 PM EDTSpecial Weather StatementFFCWalton34 min
May 20, 7:15 PM EDTSpecial Weather StatementFFCCoweta, Fayette30 min
May 20, 7:41 PM EDTSevere Thunderstorm WarningFFCCoweta, Meriwether, Troup20 min
May 20, 7:48 PM EDTSpecial Weather StatementFFCCarroll27 min

Nearby

Special Weather Statements in Georgia, 2018Every special weather statement 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.