Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 87, NWS Atlanta, GA

May 11, 2021Baldwin County, Hancock County, Putnam County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 11, 2021, 4:40 PM EDT for Baldwin County, Hancock County, Putnam County, Georgia. It was in force for 39 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 11, 2021, 4:40 PM EDT (20:40 UTC)
Expired
May 11, 2021, 5:19 PM EDT
In force
39 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Baldwin County, GA, Hancock County, GA, Putnam County, GA

The radar

The Robins AFB radar (KJGX), 55 km from the middle of the area, began a volume at 20:39 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, 8.7 hours before the alert went out and 116 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 2021-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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 2021-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
46 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

103 
WUUS52 KFFC 112040
SVRFFC
GAC009-141-237-112130-
/O.NEW.KFFC.SV.W.0087.210511T2040Z-210511T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
440 PM EDT Tue May 11 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northern Baldwin County in central Georgia...
  Southeastern Putnam County in central Georgia...
  Southwestern Hancock County in east central Georgia...

* Until 530 PM EDT.

* At 440 PM EDT, a severe thunderstorm was located near Resseaus
  Crossroads, or 9 miles south of Eatonton, moving east at 20 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...
  Milledgeville, Meriwether, Resseaus Crossroads, Plant Harlee Branch
  and Underwood.

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 3307 8314 3314 8342 3318 8343 3319 8345
      3328 8344 3327 8311 3314 8307
TIME...MOT...LOC 2040Z 284DEG 17KT 3318 8338 

HAIL...1.00IN
WIND...60MPH
 
$$
3 follow-up statements
089 
WWUS52 KFFC 112055
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
455 PM EDT Tue May 11 2021

GAC009-141-237-112130-
/O.CON.KFFC.SV.W.0087.000000T0000Z-210511T2130Z/
Baldwin GA-Putnam GA-Hancock GA-
455 PM EDT Tue May 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHERN BALDWIN...SOUTH CENTRAL PUTNAM AND SOUTHWESTERN HANCOCK
COUNTIES...

At 455 PM EDT, a severe thunderstorm was located over Meriwether, or
near Milledgeville, moving east at 25 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...
Milledgeville, Meriwether, Plant Harlee Branch and Underwood. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3312 8335 3326 8332 3325 8310 3314 8307
      3307 8314
TIME...MOT...LOC 2055Z 285DEG 22KT 3315 8327 

HAIL...1.00IN
WIND...60MPH
 
$$
653 
WWUS52 KFFC 112113
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
513 PM EDT Tue May 11 2021

GAC237-112123-
/O.CAN.KFFC.SV.W.0087.000000T0000Z-210511T2130Z/
Putnam GA-
513 PM EDT Tue May 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PUTNAM COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3310 8325 3322 8320 3321 8311 3314 8307
      3307 8314
TIME...MOT...LOC 2113Z 283DEG 18KT 3313 8316 

$$

GAC009-141-112130-
/O.CON.KFFC.SV.W.0087.000000T0000Z-210511T2130Z/
Baldwin GA-Hancock GA-
513 PM EDT Tue May 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN BALDWIN AND SOUTHWESTERN HANCOCK COUNTIES...

At 513 PM EDT, a severe thunderstorm was located over Underwood, or
near Milledgeville, moving east at 20 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...
Milledgeville and Underwood. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3310 8325 3322 8320 3321 8311 3314 8307
      3307 8314
TIME...MOT...LOC 2113Z 283DEG 18KT 3313 8316 

HAIL...1.00IN
WIND...60MPH
 
$$
663 
WWUS52 KFFC 112119
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
519 PM EDT Tue May 11 2021

GAC009-141-112129-
/O.CAN.KFFC.SV.W.0087.000000T0000Z-210511T2130Z/
Baldwin GA-Hancock GA-
519 PM EDT Tue May 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BALDWIN AND
SOUTHWESTERN HANCOCK COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3310 8325 3322 8320 3321 8311 3314 8307
      3307 8314
TIME...MOT...LOC 2116Z 284DEG 17KT 3312 8312 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 3:16 PM EDTSpecial Weather StatementFFCSpalding29 min
May 11, 3:34 PM EDTSevere Thunderstorm WarningFFCButts, Henry, Spalding26 min
May 11, 4:31 PM EDTSpecial Weather StatementFFCBaldwin29 min
May 11, 4:34 PM EDTSpecial Weather StatementFFCJasper26 min
May 11, 4:45 PM EDTSevere Thunderstorm WarningFFCJasper, Jones23 min
May 11, 4:49 PM EDTSpecial Weather StatementFFCJefferson26 min
May 11, 5:53 PM EDTSpecial Weather StatementFFCHarris37 min
May 11, 6:22 PM EDTSpecial Weather StatementFFCUpson23 min
May 11, 7:22 PM EDTSpecial Weather StatementFFCWilkinson23 min
May 11, 7:48 PM EDTSpecial Weather StatementFFCTwiggs27 min
May 11, 7:59 PM EDTSevere Thunderstorm WarningFFCBleckley, Twiggs46 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Every severe thunderstorm warning in 2021

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.