Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 85, NWS Atlanta, GA

May 4, 202113 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 4, 2021, 9:50 PM EDT for 13 counties in Georgia. It was in force for 25 min. 1 report 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, 9:50 PM EDT (01:50 UTC)
Expired
May 4, 2021, 10:15 PM EDT
In force
25 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Bibb County, GA, Crawford County, GA, Crisp County, GA, Dooly County, GA, Houston County, GA, Lamar County, GA, Macon County, GA, Monroe County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Sumter County, GA, Upson County, GA

The radar

The Robins AFB radar (KJGX), 51 km from the middle of the area, began a volume at 01:50 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, 9:54 PM EDTTSTM WND DMG2 Ssw Cobb, GAA TREE FELL ON PRYOR ROAD AT STANDARD ELEVATOR 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, 1.8 hours before the alert went out and 119 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°0°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.

754 
WUUS52 KFFC 050150
SVRFFC
GAC021-079-081-093-153-171-193-207-225-231-235-261-293-050215-
/O.NEW.KFFC.SV.W.0085.210505T0150Z-210505T0215Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Bibb County in central Georgia...
  Southeastern Pike County in west central Georgia...
  Monroe County in central Georgia...
  Eastern Upson County in west central Georgia...
  Houston County in central Georgia...
  Sumter County in west central Georgia...
  Crisp County in central Georgia...
  Macon County in west central Georgia...
  Western Pulaski County in central Georgia...
  Dooly County in central Georgia...
  Peach County in central Georgia...
  Crawford County in central Georgia...
  Lamar County in west central Georgia...

* Until 1015 PM EDT.

* At 949 PM EDT, severe thunderstorms were located along a line
  extending from Meansville to near Salem to Montezuma to Maddox,
  moving east at 45 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Macon, Americus, Perry, Cordele, Fort Valley, Thomaston,
  Barnesville, Hawkinsville, Vienna, Forsyth, Oglethorpe, Zebulon,
  Roberta, Warner Robins, Centerville, Byron, Unadilla, Montezuma,
  Marshallville and Milner.

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 3183 8363 3190 8393 3191 8392 3196 8435
      3232 8411 3248 8415 3253 8400 3269 8411
      3268 8419 3309 8443 3319 8384 3292 8370
      3289 8363 3275 8356 3274 8360 3267 8361
      3264 8355 3225 8344 3212 8350 3212 8361
TIME...MOT...LOC 0149Z 273DEG 39KT 3302 8431 3275 8414 3232 8404 3202
8423

HAIL...0.88IN
WIND...60MPH
 
$$
1 follow-up statement
936 
WWUS52 KFFC 050211
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1011 PM EDT Tue May 4 2021

GAC021-079-081-093-153-171-193-207-225-231-235-261-293-050221-
/O.EXP.KFFC.SV.W.0085.000000T0000Z-210505T0215Z/
Bibb GA-Pike GA-Monroe GA-Upson GA-Houston GA-Sumter GA-Crisp GA-
Macon GA-Pulaski GA-Dooly GA-Peach GA-Crawford GA-Lamar GA-
1011 PM EDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR BIBB...SOUTHEASTERN PIKE...
MONROE...EASTERN UPSON...HOUSTON...SUMTER...CRISP...MACON...WESTERN
PULASKI...DOOLY...PEACH...CRAWFORD AND LAMAR COUNTIES WILL EXPIRE AT
1015 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
central and west central Georgia.

LAT...LON 3183 8363 3190 8393 3191 8392 3196 8435
      3232 8411 3248 8415 3253 8400 3269 8411
      3268 8419 3309 8443 3319 8384 3292 8370
      3289 8363 3275 8356 3274 8360 3267 8361
      3264 8355 3225 8344 3212 8350 3212 8361
TIME...MOT...LOC 0211Z 273DEG 39KT 3301 8406 3274 8389 3231 8379 3201
8398

$$

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, 9:15 PM EDTSevere Thunderstorm WarningFFCCrawford, Lamar, Macon, Marion, Meriwether, Monroe and 8 more45 min
May 4, 9:20 PM EDTSpecial Weather StatementFFCTelfair25 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.