Alert archive / Georgia / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 113, NWS Atlanta, GA

May 5, 20205 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 5, 2020, 6:42 PM EDT for 5 counties in Georgia. It was in force for 48 min. 2 reports 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
May 5, 2020, 6:42 PM EDT (22:42 UTC)
Expired
May 5, 2020, 7:30 PM EDT
In force
48 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dawson County, GA, Hall County, GA, Lumpkin County, GA, Pickens County, GA, White County, GA

The radar

The Atlanta radar (KFFC), 144 km from the middle of the area, began a volume at 22:41 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.

What was reported inside it

TimeReportWhereRemark
May 5, 6:56 PM EDTHAIL 12 Nnw Murrayville, GAQUARTER INCH HAIL REPORTED IN NORTHERN HALL COUNTY NEAR MURRAYVILLE
May 5, 6:56 PM EDTHAIL 12 Nnw Murrayville, GAQUARTER SIZE HAIL REPORTED IN NORTHERN HALL COUNTY NEAR MURRAYVILLE

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, 10.7 hours before the alert went out and 141 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 2020-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 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 2020-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
92 J/kg
Mixed-layer CIN
-437 J/kg
Mixed-layer LCL
1031 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

760 
WUUS52 KFFC 052242
SVRFFC
GAC085-139-187-227-311-052330-
/O.NEW.KFFC.SV.W.0113.200505T2242Z-200505T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
642 PM EDT Tue May 5 2020

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Lumpkin County in north central Georgia...
  Southern White County in northeastern Georgia...
  Dawson County in north central Georgia...
  Northern Hall County in north central Georgia...
  Eastern Pickens County in north central Georgia...

* Until 730 PM EDT.

* At 642 PM EDT, a severe thunderstorm was located over Juno, or near
  Dawsonville, moving east at 40 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...
  Dahlonega, Cleveland, Dawsonville, Lula, Clermont, Amicalola Falls
  State Park, Marblehill, Mossy Creek, Juno, Fausett Lake,
  Murrayville, Auraria, Leaf, Garland, Nimblewill and McKee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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 3462 8364 3458 8364 3455 8362 3453 8363
      3451 8367 3443 8362 3440 8366 3439 8436
      3456 8435 3457 8434 3458 8430 3457 8429
      3457 8426 3458 8425 3466 8366
TIME...MOT...LOC 2242Z 266DEG 34KT 3451 8418 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 11:29 PM EDTSevere Thunderstorm WarningFFCCatoosa, Chattooga, Dade, Walker, Whitfield46 min
May 4, 11:50 PM EDTSevere Thunderstorm WarningFFCChattooga, Floyd25 min
May 5, 12:09 AM EDTSevere Thunderstorm WarningFFCBartow, Chattooga, Fannin, Floyd, Gilmer, Gordon and 4 more51 min
May 5, 12:23 AM EDTSpecial Weather StatementFFCLumpkin, Union37 min
May 5, 12:49 AM EDTSpecial Weather StatementFFCDawson, Gilmer, Pickens26 min
May 5, 12:55 AM EDTSpecial Weather StatementFFCTowns, White20 min
May 5, 1:06 AM EDTSpecial Weather StatementFFCLumpkin, White24 min
May 5, 1:11 AM EDTSevere Thunderstorm WarningFFCLumpkin, Union, White34 min
May 5, 4:28 PM EDTSpecial Weather StatementFFCCatoosa, Walker, Whitfield47 min
May 5, 4:44 PM EDTSpecial Weather StatementFFCFannin46 min
May 5, 5:36 PM EDTSpecial Weather StatementFFCGilmer, Union24 min
May 5, 6:02 PM EDTSpecial Weather StatementFFCWhite28 min
May 5, 6:32 PM EDTSpecial Weather StatementFFCWhite13 min
May 5, 6:34 PM EDTSpecial Weather StatementFFCDawson, Lumpkin26 min
May 5, 6:38 PM EDTSevere Thunderstorm WarningFFCWhite22 min
May 5, 6:46 PM EDTSpecial Weather StatementFFCPickens29 min
May 5, 7:13 PM EDTSpecial Weather StatementFFCBanks17 min
May 5, 7:16 PM EDTSevere Thunderstorm WarningFFCBanks14 min
May 5, 7:30 PM EDTSpecial Weather StatementFFCBanks, Forsyth, Hall30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2020Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.