Alert archive / Georgia / Flash Flood Warnings in 2022

Flash Flood Warning 3, NWS Atlanta, GA

April 5, 20227 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Apr 5, 2022, 2:44 PM EDT for 7 counties in Georgia. It was in force for 3 hr. 6 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
Apr 5, 2022, 2:44 PM EDT (18:44 UTC)
Expired
Apr 5, 2022, 5:47 PM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Cherokee County, GA, Clayton County, GA, Cobb County, GA, DeKalb County, GA, Douglas County, GA, Fulton County, GA, Gwinnett County, GA

The radar

The Atlanta radar (KFFC), 66 km from the middle of the area, began a volume at 18:43 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
Apr 5, 2:45 PM EDTFLASH FLOOD3 W Lathemtown, GATHE EMERGENCY MANAGER REPORTED FLOODING OF WATER TANK ROAD FROM CANTON CREEK.
Apr 5, 2:45 PM EDTFLASH FLOODSweet Auburn, GATHE EMERGENCY MANAGER REPORTED FLASH FLOODING NEAR GRADY HOSPITAL THAT TEMPORARILY CUT OFF ACCESS TO EMERGENCY VEHICLES. RADAR ESTIMATES INDICATE THAT BETWEEN 2 AND 3 INCHES OCCURRED QUICKLY OVER THE AREA.
Apr 5, 2:51 PM EDTFLASH FLOOD2 Wsw Turner Field, GATHE EMERGENCY MANAGER REPORTED FLOODING NEAR ALLENE AVE AND AVON THAT STALLED A VEHICLE, STRANDING ITS OCCUPANT. RADAR ESTIMATES INDICATE THAT BETWEEN 2 AND 3 INCHES OF RAIN HAD OCCURRED AT THE TIME.
Apr 5, 3:12 PM EDTFLASH FLOOD1 W Buckhead, GATHE EMERGENCY MANAGER REPORTED THAT TWO OCCUPANTS HAD TO BE RESCUED FROM A VEHICLE THAT BECAME STRANDED IN FLOODWATERS ON E PINE VALLEY ROAD NW. RADAR ESTIMATES INDICATE THAT BETWEEN 2.5 AND 3 INCHES OF RAIN HAD ACCUMULATED OVER THE AREA.
Apr 5, 3:15 PM EDTFLASH FLOOD2 Nw Cascade Heights, GATHE EMERGENCY MANAGER REPORTED THE INTERSECTION OF LYNHURST DR SW AND MARTIN LUTHER KING JR DR SW IMPASSABLE AND CLOSED DUE TO FLOODING. RADAR ESTIMATES INDICATE THAT BETWEEN 2.5 AND 3 INCHES OCCURRED OVER THE AREA.
Apr 5, 4:40 PM EDTFLASH FLOODLake Tara, GATHE EMERGENCY MANAGER REPORTED FLOODING FROM THE FLINT RIVER THAT IMPACTED ARROWHEAD BLVD, UPPER RIVERDALE ROAD, GARDEN WALK BLVD AND RESIDENCES ALONG ROXBURY DR. FLOODING RANGED FROM 0.5-1 FOOT ALONG THE STREETS, AND 3 FEET IN THE BACK YARDS ALONG ROXBURY DR.

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, 6.7 hours before the alert went out and 64 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 2022-04-05Temperature 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 12:00Z on 2022-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1643 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

124 
WGUS52 KFFC 051844
FFWFFC
GAC057-063-067-089-097-121-135-060045-
/O.NEW.KFFC.FF.W.0003.220405T1844Z-220406T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
244 PM EDT Tue Apr 5 2022

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Southern Cherokee County in north central Georgia...
  Northern Clayton County in north central Georgia...
  Cobb County in north central Georgia...
  DeKalb County in north central Georgia...
  Northeastern Douglas County in north central Georgia...
  Fulton County in north central Georgia...
  Central Gwinnett County in north central Georgia...

* Until 845 PM EDT Tuesday.

* At 244 PM EDT, Doppler radar indicated heavy rain occurring over 
  the Atlanta metropolitan area. Between 1.5 and 3.0 inches of rain 
  have fallen. Additional rainfall amounts of 0.2 to 0.5 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Atlanta, Marietta, Douglasville, Lawrenceville, Canton, Decatur, 
  Jonesboro, Sandy Springs, Roswell, Johns Creek, Alpharetta, 
  Smyrna, Dunwoody, East Point, Milton, Kennesaw, Duluth, Woodstock, 
  Acworth and Forest Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3408 8474 3408 8466 3416 8466 3427 8435
      3420 8426 3410 8425 3410 8421 3406 8414
      3405 8410 3407 8412 3408 8411 3388 8386
      3365 8418 3365 8423 3363 8424 3365 8425
      3365 8428 3360 8425 3352 8436 3380 8473

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
858 
WGUS72 KFFC 052147
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
547 PM EDT Tue Apr 5 2022

GAC057-063-067-089-097-121-135-052157-
/O.CAN.KFFC.FF.W.0003.000000T0000Z-220406T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee GA-Clayton GA-Cobb GA-DeKalb GA-Douglas GA-Fulton GA-
Gwinnett GA-
547 PM EDT Tue Apr 5 2022

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN CHEROKEE, NORTHERN 
CLAYTON, COBB, DEKALB, NORTHEASTERN DOUGLAS, FULTON AND CENTRAL 
GWINNETT COUNTIES...

The heavy rain has ended. While the threat of flash flooding has 
ended, rivers and creeks continue to respond to the runoff from 
heavy rainfall. Please continue to heed remaining road closures.

LAT...LON 3408 8474 3408 8466 3416 8466 3427 8435
      3420 8426 3410 8425 3410 8421 3406 8414
      3405 8410 3407 8412 3408 8411 3388 8386
      3365 8418 3365 8423 3363 8424 3365 8425
      3365 8428 3360 8425 3352 8436 3380 8473

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 8:33 AM EDTSpecial Weather StatementFFCHarris27 min
Apr 5, 8:51 AM EDTSpecial Weather StatementFFCHenry, Spalding24 min
Apr 5, 9:03 AM EDTSpecial Weather StatementFFCHarris27 min
Apr 5, 9:14 AM EDTSpecial Weather StatementFFCTroup31 min
Apr 5, 9:24 AM EDTSpecial Weather StatementFFCTalbot, Upson36 min
Apr 5, 9:36 AM EDTSpecial Weather StatementFFCBibb, Crawford, Peach24 min
Apr 5, 9:53 AM EDTSpecial Weather StatementFFCMeriwether, Pike37 min
Apr 5, 10:00 AM EDTSpecial Weather StatementFFCLamar, Monroe, Upson30 min
Apr 5, 10:36 AM EDTSpecial Weather StatementFFCButts24 min
Apr 5, 11:25 AM EDTSpecial Weather StatementFFCBaldwin, Jones, Putnam35 min
Apr 5, 11:48 AM EDTSpecial Weather StatementFFCTaliaferro, Warren, Wilkes27 min
Apr 5, 1:37 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Marion, Muscogee, Stewart, Webster53 min
Apr 5, 1:39 PM EDTTornado WarningFFCStewart36 min
Apr 5, 1:58 PM EDTTornado WarningFFCChattahoochee, Marion32 min
Apr 5, 2:20 PM EDTSevere Thunderstorm WarningFFCLamar, Marion, Talbot, Taylor, Upson40 min
Apr 5, 2:26 PM EDTSevere Thunderstorm WarningFFCMacon, Marion, Schley, Sumter, Taylor, Webster49 min
Apr 5, 2:28 PM EDTTornado WarningFFCMarion, Talbot, Taylor32 min
Apr 5, 2:30 PM EDTRiver Flood WarningFFCCobb4 hr
Apr 5, 2:48 PM EDTFlood WatchFFCBaldwin, Bibb, Bleckley, Butts, Chattahoochee, Crawford and 46 more40 hr
Apr 5, 2:48 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Jones, Lamar, Macon, Monroe and 2 more42 min
Apr 5, 2:55 PM EDTRiver Flood WarningFFCDeKalb21 days
Apr 5, 2:56 PM EDTTornado WarningFFCCrawford, Taylor34 min
Apr 5, 2:57 PM EDTRiver Flood WarningFFCDeKalb6 hr
Apr 5, 3:05 PM EDTRiver Flood WarningFFCForsyth, Fulton35 hr
Apr 5, 3:08 PM EDTRiver Flood WarningFFCFulton, Gwinnett21 days
Apr 5, 3:08 PM EDTTornado WarningFFCMacon22 min
Apr 5, 3:12 PM EDTSpecial Weather StatementFFCBanks, Jackson, Madison33 min
Apr 5, 3:13 PM EDTSevere Thunderstorm WarningFFCBleckley, Crisp, Dooly, Houston, Macon, Peach and 4 more47 min
Apr 5, 3:14 PM EDTRiver Flood WarningFFCDeKalb, Fulton4 hr
Apr 5, 3:15 PM EDTFlash Flood WarningFFCChattahoochee, Muscogee3 hr
Apr 5, 3:20 PM EDTRiver Flood WarningFFCFulton21 days
Apr 5, 3:20 PM EDTRiver Flood WarningFFCDeKalb, Fulton3 hr
Apr 5, 3:23 PM EDTTornado WarningFFCBibb, Jones25 min
Apr 5, 3:27 PM EDTTornado WarningFFCHouston, Macon, Peach33 min
Apr 5, 3:28 PM EDTSevere Thunderstorm WarningFFCBaldwin, Bibb, Houston, Jones, Peach, Twiggs and 1 more47 min
Apr 5, 3:31 PM EDTRiver Flood WarningFFCFayette, Spalding30 hr
Apr 5, 3:32 PM EDTTornado WarningFFCDooly, Houston, Pulaski43 min
Apr 5, 3:50 PM EDTTornado WarningFFCHouston, Twiggs, Wilkinson25 min
Apr 5, 3:59 PM EDTTornado WarningFFCBaldwin, Hancock, Putnam31 min
Apr 5, 4:00 PM EDTTornado WarningFFCBleckley, Laurens, Pulaski30 min
Apr 5, 4:06 PM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Johnson, Laurens, Pulaski, Telfair and 3 more39 min
Apr 5, 4:13 PM EDTTornado Warning Tornado observedFFCTwiggs, Wilkinson32 min
Apr 5, 4:15 PM EDTTornado WarningFFCBleckley, Dodge, Laurens30 min
Apr 5, 4:16 PM EDTRiver Flood WarningFFCForsyth12 hr
Apr 5, 4:22 PM EDTSevere Thunderstorm WarningFFCJohnson, Twiggs, Washington, Wilkinson53 min
Apr 5, 4:23 PM EDTTornado WarningFFCDodge, Telfair, Wilcox27 min
Apr 5, 4:29 PM EDTRiver Flood WarningFFCGwinnett63 min
Apr 5, 4:29 PM EDTRiver Flood WarningFFCGwinnett7 hr
Apr 5, 4:32 PM EDTTornado WarningFFCLaurens28 min
Apr 5, 4:32 PM EDTTornado WarningFFCHancock, Warren11 min
Apr 5, 4:47 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson, Johnson, Laurens, Montgomery, Telfair and 3 more43 min
Apr 5, 4:54 PM EDTTornado WarningFFCJohnson, Laurens36 min
Apr 5, 4:57 PM EDTTornado WarningFFCEmanuel, Johnson, Laurens, Treutlen33 min
Apr 5, 5:10 PM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson, Washington33 min
Apr 5, 5:25 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson, Montgomery, Toombs35 min
Apr 5, 5:29 PM EDTSevere Thunderstorm WarningFFCMontgomery, Telfair, Toombs, Wheeler20 min
Apr 5, 5:29 PM EDTTornado WarningFFCEmanuel20 min
Apr 5, 5:56 PM EDTSpecial Weather StatementFFCToombs34 min
Apr 5, 6:22 PM EDTRiver Flood WarningFFCGwinnett, Walton5 hr
Apr 5, 6:50 PM EDTRiver Flood WarningFFCBaldwin, Washington, Wilkinson27 hr
Apr 5, 7:52 PM EDTRiver Flood WarningFFCCrawford, Talbot, Taylor, Upson3 days

Nearby

Flash Flood Warnings in Georgia, 2022Every flash flood warning in 2022

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.