Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 84, NWS Atlanta, GA

May 4, 202114 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 4, 2021, 9:15 PM EDT for 14 counties in Georgia. It was in force for 45 min. 12 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 4, 2021, 9:15 PM EDT (01:15 UTC)
Expired
May 4, 2021, 10:00 PM EDT
In force
45 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Crawford County, GA, Lamar County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Peach County, GA, Schley County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Upson County, GA, Webster County, GA

The radar

The Robins AFB radar (KJGX), 86 km from the middle of the area, began a volume at 01:18 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 4, 9:18 PM EDTTSTM WND DMG3 Ne Kimbrough, GAPOWER LINES AND POLE WERE DOWNED AT INTERSECTION OF WEST CENTERPOINT ROAD AND MILLARD KENNEDY ROAD.
May 4, 9:19 PM EDTTSTM WND DMG2 N Preston, GATREES WERE DOWNED ON HIGHWAY 41 JUST NORTH OF PRESTON.
May 4, 9:21 PM EDTTSTM WND DMG2 Sw Preston, GAMULTIPLE TREES WERE DOWNED ON KENNEDY POND ROAD IN THE VICINITY MILLARD KENNEDY ROAD.
May 4, 9:22 PM EDTTSTM WND DMG3 N Centerpoint, GATREES WERE DOWNED ON POPLAR SPRINGS ROAD WEST OF MACEDONIA CHURCH ROAD.
May 4, 9:23 PM EDTTSTM WND DMG1 Ene Leveretts, GAA TREE WAS DOWNED ONTO A VEHICLE ON FOREMAN ROAD. A TREE WAS ALSO DOWNED NEARBY ONTO POWER LINES ON BEN WILLIAMS ROAD NEAR THE INTERSECTION OF MILL POND ROAD.
May 4, 9:24 PM EDTTSTM WND DMGFriendship, GATREES BLOCKED THE ROADWAY ON HIGHWAY 30 WEST OF FRIENDSHIP.
May 4, 9:25 PM EDTTSTM WND DMG2 Ne Centerpoint, GAMULTIPLE TREES WERE BLOWN DOWN ON SPANNS MILL ROAD BETWEEN MACEDONIA CHURCH ROAD AND RURAL HILL CHURCH ROAD.
May 4, 9:39 PM EDTTSTM WND DMG1 Sw Maddox, GAA TREE WAS DOWNED ONTO BEAR BRANCH ROAD AT SAM RODGERS ROAD.
May 4, 9:40 PM EDTTSTM WND DMG2 W Maddox, GATREES AND POWER LINES WERE DOWNED ON ARCH HELMS ROAD.
May 4, 9:41 PM EDTTSTM WND DMG2 E Maddox, GAA TREE WAS DOWNED ONTO SOUTH LEE STREET AT MCLITTLE BRIDGE ROAD.
May 4, 9:44 PM EDTTSTM WND DMG2 Nnw Leslie, GAA TREE WAS DOWNED ON HIGHWAY 280 EAST AT TOMMY SMITH ROAD.
May 4, 9:45 PM EDTTSTM WND DMG1 Ne Methvins, GATWO TREES WERE DOWNED ON HIGHWAY 195. ONE FELL NEAR THE INTERSECTION OF CHAMBLISS ROAD AND THE OTHER AT CLEMENTS ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 4, 7:26 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.3 hours before the alert went out and 120 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 2021-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -136 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-136 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

303 
WUUS52 KFFC 050115
SVRFFC
GAC079-171-193-197-199-207-225-249-259-261-263-269-293-307-050200-
/O.NEW.KFFC.SV.W.0084.210505T0115Z-210505T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
915 PM EDT Tue May 4 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Meriwether County in west central Georgia...
  Marion County in west central Georgia...
  Southwestern Monroe County in central Georgia...
  Eastern Stewart County in west central Georgia...
  Upson County in west central Georgia...
  Sumter County in west central Georgia...
  Macon County in west central Georgia...
  Webster County in west central Georgia...
  Peach County in central Georgia...
  Crawford County in central Georgia...
  Schley County in west central Georgia...
  Talbot County in west central Georgia...
  Taylor County in west central Georgia...
  Southern Lamar County in west central Georgia...

* Until 1000 PM EDT.

* At 914 PM EDT, severe thunderstorms were located along a line
  extending from near Manchester to near Junction City to Buena Vista
  to near Lumpkin, moving east at 60 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...
  Americus, Fort Valley, Thomaston, Barnesville, Forsyth, Lumpkin,
  Buena Vista, Butler, Ellaville, Oglethorpe, Roberta, Talbotton,
  Preston, Byron, Manchester, Montezuma, Richland, Marshallville,
  Reynolds and Plains.

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 3189 8436 3197 8444 3192 8446 3192 8491
      3223 8466 3256 8456 3289 8470 3308 8397
      3287 8385 3282 8389 3271 8376 3248 8381
      3245 8382 3246 8385 3243 8384 3227 8391
      3218 8403 3210 8399 3191 8408 3192 8434
TIME...MOT...LOC 0114Z 256DEG 53KT 3284 8459 3259 8449 3231 8455 3208
8477

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
527 
WWUS52 KFFC 050145
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
945 PM EDT Tue May 4 2021

GAC197-199-249-259-263-307-050155-
/O.CAN.KFFC.SV.W.0084.000000T0000Z-210505T0200Z/
Meriwether GA-Marion GA-Stewart GA-Webster GA-Schley GA-Talbot GA-
945 PM EDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MERIWETHER...
MARION...EASTERN STEWART...WEBSTER...SCHLEY AND TALBOT COUNTIES IS
CANCELLED...

The storms which prompted the warning have moved out of
the warned area. Therefore, the warning has been cancelled.


LAT...LON 3191 8438 3216 8422 3216 8418 3268 8414
      3299 8433 3308 8397 3288 8385 3282 8389
      3273 8381 3271 8376 3245 8382 3246 8384
      3228 8390 3218 8403 3210 8399 3191 8408
      3192 8434 3189 8436
TIME...MOT...LOC 0145Z 284DEG 39KT 3294 8423 3267 8407 3225 8409 3194
8427

$$

GAC079-171-193-207-225-261-269-293-050200-
/O.CON.KFFC.SV.W.0084.000000T0000Z-210505T0200Z/
Macon GA-Monroe GA-Upson GA-Peach GA-Crawford GA-Sumter GA-Taylor GA-
Lamar GA-
945 PM EDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR MACON...SOUTHWESTERN MONROE...NORTHEASTERN UPSON...PEACH...
CRAWFORD...CENTRAL SUMTER...NORTHEASTERN TAYLOR AND SOUTHERN LAMAR
COUNTIES...

At 945 PM EDT, severe thunderstorms were located along a line
extending from The Rock to near Horns to Clearview to Sumter, moving
east at 45 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Americus, Fort Valley, Barnesville, Forsyth, Oglethorpe, Roberta,
Byron, Montezuma, Marshallville, Reynolds, Leslie, Yatesville,
Andersonville, De Soto, Culloden, Desoto, The Rock, Sumter, Lamar and
New Era.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3191 8438 3216 8422 3216 8418 3268 8414
      3299 8433 3308 8397 3288 8385 3282 8389
      3273 8381 3271 8376 3245 8382 3246 8384
      3228 8390 3218 8403 3210 8399 3191 8408
      3192 8434 3189 8436
TIME...MOT...LOC 0145Z 284DEG 39KT 3294 8423 3267 8407 3225 8409 3194
8427

HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 8:24 PM EDTFlash Flood WarningFFCHeard, Troup4 hr
May 4, 8:25 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Harris, Meriwether, Muscogee, Talbot, Troup50 min
May 4, 8:34 PM EDTSpecial Weather StatementFFCDodge26 min
May 4, 8:41 PM EDTRiver Flood WarningFFCPolk10 hr
May 4, 8:46 PM EDTSevere Thunderstorm WarningFFCStewart, Webster44 min
May 4, 8:55 PM EDTSevere Thunderstorm WarningFFCMarion50 min
May 4, 8:58 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether, Pike, Spalding32 min
May 4, 9:20 PM EDTSpecial Weather StatementFFCTelfair25 min
May 4, 9:50 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Crisp, Dooly, Houston, Lamar and 7 more25 min
May 4, 10:01 PM EDTSpecial Weather StatementFFCTelfair29 min
May 4, 10:14 PM EDTRiver Flood WarningFFCChattooga8 hr
May 4, 10:16 PM EDTSpecial Weather StatementFFCBibb, Bleckley, Crisp, Dodge, Dooly, Houston and 5 more29 min
May 4, 10:46 PM EDTSpecial Weather StatementFFCBaldwin, Bleckley, Dodge, Jones, Laurens, Telfair and 3 more44 min
May 4, 10:51 PM EDTRiver Flood WarningFFCCobb, Douglas64 hr
May 4, 11:26 PM EDTSpecial Weather StatementFFCEmanuel, Glascock, Jefferson, Johnson, Montgomery, Telfair and 4 more49 min
May 4, 11:32 PM EDTRiver Flood WarningFFCCobb7 hr
May 5, 12:42 AM EDTRiver Flood WarningFFCForsyth11 hr
May 5, 12:55 AM EDTRiver Flood WarningFFCCobb10 hr
May 5, 1:45 AM EDTRiver Flood WarningFFCHaralson24 hr
May 5, 2:42 AM EDTRiver Flood WarningFFCGwinnett, Walton4 hr
May 5, 5:51 AM EDTRiver Flood WarningFFCBibb, Houston, Jones, Monroe, Twiggs4 days
May 5, 6:36 AM EDTRiver Flood WarningFFCGwinnett9 hr
May 5, 6:46 AM EDTRiver Flood WarningFFCCarroll, Coweta, Heard19 hr
May 5, 11:07 AM EDTRiver Flood WarningFFCCobb, Paulding18 hr
May 5, 3:08 PM EDTRiver Flood WarningFFCFloyd31 hr
May 5, 6:12 PM EDTRiver Flood WarningFFCCobb, Douglas19 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.