Alert archive / Georgia / Special Weather Statements in 2020

Special Weather Statement, NWS Atlanta, GA

June 19, 2020Oglethorpe County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 19, 2020, 8:39 PM EDT for Oglethorpe County, Georgia. It was in force for 36 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
Jun 19, 2020, 8:39 PM EDT (00:39 UTC)
Expired
Jun 19, 2020, 9:15 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Wind
40

County Oglethorpe County, GA

The radar

The Robins AFB radar (KJGX), 113 km from the middle of the area, began a volume at 00:41 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, 0.7 hours before the alert went out and 131 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 2020-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 381 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 00:00Z on 2020-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
381 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1530 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

386 
WWUS82 KFFC 200039
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
839 PM EDT Fri Jun 19 2020
 
GAZ037>039-050-051-200115-
Taliaferro GA-Wilkes GA-Oglethorpe GA-Greene GA-Oconee GA-
839 PM EDT Fri Jun 19 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN TALIAFERRO...
SOUTHWESTERN WILKES...SOUTHWESTERN OGLETHORPE...NORTHERN GREENE AND
SOUTHEASTERN OCONEE COUNTIES UNTIL 915 PM EDT...

At 839 PM EDT...a line of strong thunderstorms was along a line
extending from Philomath to near Wrayswood...and moving southeast at
20 mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground lightning 
           and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of 
           light...unsecured objects. Heavy rain may cause temporary 
           street flooding especially in poor drainage areas.

Some locations in the path of these storms include
Union Point, Woodville, Maxeys, Stephens, Ficklin, Wrayswood,
Greshamville, Daniel Springs, Penfield, Lyneville, Philomath, Sandy
Cross and Carters Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3362 8336 3366 8337 3381 8335 3378 8297
      3360 8267 3361 8284
TIME...MOT...LOC 0039Z 299DEG 17KT 3373 8299 3376 8332 

WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:16 PM EDTSpecial Weather StatementFFCWarren29 min
Jun 19, 9:19 PM EDTSpecial Weather StatementFFCOglethorpe26 min
Jun 19, 9:42 PM EDTSpecial Weather StatementFFCWilkes33 min
Jun 19, 9:46 PM EDTSpecial Weather StatementFFCOglethorpe29 min
Jun 19, 11:29 PM EDTSpecial Weather StatementFFCJefferson31 min
Jun 20, 12:04 AM EDTSpecial Weather StatementFFCJefferson26 min

Nearby

Special Weather Statements in Georgia, 2020Every special weather statement 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.