Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Atlanta, GA

March 28, 20216 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 28, 2021, 12:45 PM EDT for 6 counties in Georgia. It was in force for 30 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
Mar 28, 2021, 12:45 PM EDT (16:45 UTC)
Expired
Mar 28, 2021, 1:15 PM EDT
In force
30 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Butts County, GA, Henry County, GA, Jasper County, GA, Lamar County, GA, Monroe County, GA, Spalding County, GA

The radar

The Atlanta radar (KFFC), 59 km from the middle of the area, began a volume at 16:48 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, 4.8 hours before the alert went out and 53 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 2021-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 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
14 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

713 
WUUS52 KFFC 281645
SVRFFC
GAC035-151-159-171-207-255-281715-
/O.NEW.KFFC.SV.W.0029.210328T1645Z-210328T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
1245 PM EDT Sun Mar 28 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Eastern Spalding County in west central Georgia...
  North central Monroe County in central Georgia...
  Southeastern Henry County in north central Georgia...
  Butts County in central Georgia...
  Southwestern Jasper County in central Georgia...
  Northeastern Lamar County in west central Georgia...

* Until 115 PM EDT.

* At 1245 PM EDT, a severe thunderstorm was located near Walker Mill,
  or 8 miles east of Griffin, moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Jackson, Monticello, Locust Grove, Flovilla, Jenkinsburg, Turtle
  Cove, Berner, Walker Mill, McKibben, High Falls State Park, Blount,
  McElheneys Crossroads, Indian Springs State Park, Stark and Chappel
  Mill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3336 8416 3339 8388 3337 8386 3339 8383
      3340 8376 3326 8368 3314 8375 3314 8376
      3319 8418 3327 8422
TIME...MOT...LOC 1645Z 270DEG 44KT 3326 8412 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
520 
WWUS52 KFFC 281656
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1256 PM EDT Sun Mar 28 2021

GAC151-255-281705-
/O.CAN.KFFC.SV.W.0029.000000T0000Z-210328T1715Z/
Spalding GA-Henry GA-
1256 PM EDT Sun Mar 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SPALDING AND
SOUTHEASTERN HENRY COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3325 8412 3329 8409 3330 8410 3330 8407
      3332 8407 3331 8406 3334 8403 3336 8403
      3336 8401 3338 8399 3339 8388 3337 8386
      3339 8383 3340 8376 3326 8368 3314 8376
      3318 8412
TIME...MOT...LOC 1655Z 270DEG 44KT 3326 8396 

$$

GAC035-159-171-207-281715-
/O.CON.KFFC.SV.W.0029.000000T0000Z-210328T1715Z/
Monroe GA-Butts GA-Jasper GA-Lamar GA-
1256 PM EDT Sun Mar 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR NORTH CENTRAL MONROE...BUTTS...SOUTHWESTERN JASPER AND
NORTHEASTERN LAMAR COUNTIES...

At 1255 PM EDT, a severe thunderstorm was located over Indian Springs
State Park, or over Jackson, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Jackson, Monticello, Flovilla, Jenkinsburg, Turtle Cove, Berner,
McKibben, Chappel Mill, High Falls State Park, Blount, McElheneys
Crossroads, Indian Springs State Park and Stark.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3325 8412 3329 8409 3330 8410 3330 8407
      3332 8407 3331 8406 3334 8403 3336 8403
      3336 8401 3338 8399 3339 8388 3337 8386
      3339 8383 3340 8376 3326 8368 3314 8376
      3318 8412
TIME...MOT...LOC 1655Z 270DEG 44KT 3326 8396 

HAIL...<.75IN
WIND...60MPH
 
$$
766 
WWUS52 KFFC 281714
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
114 PM EDT Sun Mar 28 2021

GAC035-159-171-207-281724-
/O.EXP.KFFC.SV.W.0029.000000T0000Z-210328T1715Z/
Monroe GA-Butts GA-Jasper GA-Lamar GA-
114 PM EDT Sun Mar 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MONROE...
BUTTS...SOUTHWESTERN JASPER AND NORTHEASTERN LAMAR COUNTIES WILL
EXPIRE AT 115 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Peachtree City.

LAT...LON 3325 8412 3329 8409 3330 8410 3330 8407
      3332 8407 3331 8406 3334 8403 3336 8403
      3336 8401 3338 8399 3339 8388 3337 8386
      3339 8383 3340 8376 3326 8368 3314 8376
      3318 8412
TIME...MOT...LOC 1714Z 270DEG 44KT 3326 8369 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 8:30 PM EDTSpecial Weather StatementFFCWilkes15 min
Mar 28, 5:33 AM EDTRiver Flood WarningFFCGordon21 days
Mar 28, 6:14 AM EDTSpecial Weather StatementFFCDade31 min
Mar 28, 6:45 AM EDTSpecial Weather StatementFFCDade, Walker30 min
Mar 28, 7:19 AM EDTSpecial Weather StatementFFCCatoosa, Murray, Walker, Whitfield41 min
Mar 28, 7:50 AM EDTSevere Thunderstorm WarningFFCChattooga, Floyd, Walker25 min
Mar 28, 8:06 AM EDTSpecial Weather StatementFFCFannin, Murray, Union, Whitfield39 min
Mar 28, 8:12 AM EDTSpecial Weather StatementFFCChattooga, Gordon33 min
Mar 28, 8:41 AM EDTSpecial Weather StatementFFCFloyd, Gilmer, Gordon, Pickens34 min
Mar 28, 9:05 AM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon40 min
Mar 28, 9:11 AM EDTSpecial Weather StatementFFCFannin, Gilmer34 min
Mar 28, 9:14 AM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Polk31 min
Mar 28, 9:17 AM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Lumpkin, Towns, Union28 min
Mar 28, 9:30 AM EDTSpecial Weather StatementFFCDawson, Pickens30 min
Mar 28, 9:41 AM EDTSpecial Weather StatementFFCTowns34 min
Mar 28, 9:51 AM EDTSpecial Weather StatementFFCBartow, Cherokee, Paulding, Polk24 min
Mar 28, 10:20 AM EDTSpecial Weather StatementFFCCobb, Forsyth, Paulding25 min
Mar 28, 10:43 AM EDTSpecial Weather StatementFFCForsyth, Hall32 min
Mar 28, 11:16 AM EDTSpecial Weather StatementFFCBanks, Barrow, Clarke, Gwinnett, Jackson, Madison and 1 more29 min
Mar 28, 11:23 AM EDTSpecial Weather StatementFFCTroup37 min
Mar 28, 11:45 AM EDTSpecial Weather StatementFFCCoweta30 min
Mar 28, 12:09 PM EDTSpecial Weather StatementFFCSpalding36 min
Mar 28, 12:17 PM EDTSpecial Weather StatementFFCMeriwether, Troup28 min
Mar 28, 12:22 PM EDTSevere Thunderstorm WarningFFCButts, Fayette, Henry, Lamar, Pike, Spalding23 min
Mar 28, 12:50 PM EDTRiver Flood WarningFFCDade7 hr
Mar 28, 12:50 PM EDTSpecial Weather StatementFFCMeriwether, Pike, Upson25 min
Mar 28, 12:54 PM EDTSpecial Weather StatementFFCTroup36 min
Mar 28, 1:13 PM EDTSpecial Weather StatementFFCJasper, Putnam32 min
Mar 28, 1:14 PM EDTSpecial Weather StatementFFCLamar, Monroe31 min
Mar 28, 1:39 PM EDTSpecial Weather StatementFFCJones36 min
Mar 28, 1:41 PM EDTSpecial Weather StatementFFCChattahoochee, Stewart34 min
Mar 28, 1:42 PM EDTSpecial Weather StatementFFCGreene, Putnam, Taliaferro33 min
Mar 28, 2:04 PM EDTSpecial Weather StatementFFCMarion, Taylor26 min
Mar 28, 2:27 PM EDTSpecial Weather StatementFFCMacon, Peach, Schley, Taylor33 min
Mar 28, 2:53 PM EDTSevere Thunderstorm WarningFFCBibb, Bleckley, Crawford, Dodge, Houston, Laurens and 5 more52 min
Mar 28, 3:47 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens, Washington, Wilkinson28 min
Mar 28, 3:55 PM EDTSpecial Weather StatementFFCWashington35 min
Mar 28, 4:06 PM EDTSpecial Weather StatementFFCLaurens24 min
Mar 28, 4:11 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson, Johnson, Laurens, Treutlen, Washington49 min
Mar 28, 6:18 PM EDTSpecial Weather StatementFFCToombs12 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.