Alert archive / Georgia / Flash Flood Watches in 2021
Flash Flood Watch 6, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood watch at May 3, 2021, 5:40 PM EDT for 69 counties in Georgia. It was in force for 32 hr.
The area
The counties it named.
The facts
- Issued
- May 3, 2021, 5:40 PM EDT (21:40 UTC)
- Expired
- May 5, 2021, 2:00 AM EDT
- In force
- 32 hr
- Issued by
- NWS Atlanta, GA
- Flood severity
- None
All 69 counties
Baldwin County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Glascock County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Jones County, GA, Lamar County, GA, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Murray County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rockdale County, GA, Spalding County, GA, Talbot County, GA, Taliaferro County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, Walton County, GA, Warren County, GA, Washington County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA
The radar
The Atlanta radar (KFFC), 61 km from the middle of the area, began a volume at 21:39 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, 9.7 hours before the alert went out and 57 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.
- Mixed-layer CAPE
- 674 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.8
The text
As transmitted.
705 WGUS62 KFFC 032140 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Peachtree City GA 540 PM EDT Mon May 3 2021 GAZ001>009-011>016-019>025-027-030>039-041>062-066>068-070>076- 041200- /O.NEW.KFFC.FF.A.0006.210503T2140Z-210505T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee- Forsyth-Hall-Banks-Jackson-Madison-Polk-Paulding-Cobb-North Fulton- Gwinnett-Barrow-Clarke-Oconee-Oglethorpe-Wilkes-Haralson-Carroll- Douglas-South Fulton-DeKalb-Rockdale-Walton-Newton-Morgan-Greene- Taliaferro-Heard-Coweta-Fayette-Clayton-Spalding-Henry-Butts-Jasper- Putnam-Hancock-Warren-Troup-Meriwether-Pike-Lamar-Monroe-Jones- Baldwin-Washington-Glascock-Jefferson- Including the cities of , Griffin, East Point, Conyers, Lawrenceville, Decatur, Dahlonega, Newnan, Gainesville, Calhoun, Athens, Marietta, Covington, Rome, Carrollton, Cleveland, Milledgeville, Atlanta, Douglasville, Cartersville, and Peachtree City 540 PM EDT Mon May 3 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TUESDAY NIGHT... The National Weather Service in Peachtree City has issued a * Flash Flood Watch for all of north Georgia and portions of central Georgia. * Through late Tuesday night. * Rainfall totals of 1 to 3 inches with locally higher amounts have already occurred across portions of the watch area. Heavy rainfall this evening could produce additional amounts of 1 to 3 inches in some areas. On Tuesday, additional showers and thunderstorms are forecast which would easily allow for efficient runoff and flash flooding potential given saturated soils. * Creeks and streams may rise out of their banks and inundate fields, roads, businesses and other property. Street flooding could also lead to road closures. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
2 follow-up statements
036 WGUS62 KFFC 040750 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Peachtree City GA 350 AM EDT Tue May 4 2021 GAZ069-078-079-089-090-042015- /O.EXA.KFFC.FF.A.0006.000000T0000Z-210505T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Upson-Harris-Talbot-Muscogee-Chattahoochee- Including the cities of and Columbus 350 AM EDT Tue May 4 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... The National Weather Service in Peachtree City has expanded the * Flash Flood Watch to include a portion of west central Georgia, including the following areas, Chattahoochee, Harris, Muscogee, Talbot and Upson. * Through late tonight. * Rainfall totals of 1 to 2 inches with locally higher amounts have already occurred across portions of the watch area. Heavy rainfall associated with showers and thunderstorms later today could result in an additional 1 to 2 inches and would easily allow for efficient runoff and flash flooding potential given saturated soils. * Creeks and streams may rise out of their banks and inundate fields, roads, businesses and other property. Street flooding could also lead to road closures. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ GAZ001>009-011>016-019>025-027-030>039-041>062-066>068-070>076- 042015- /O.CON.KFFC.FF.A.0006.000000T0000Z-210505T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee- Forsyth-Hall-Banks-Jackson-Madison-Polk-Paulding-Cobb-North Fulton- Gwinnett-Barrow-Clarke-Oconee-Oglethorpe-Wilkes-Haralson-Carroll- Douglas-South Fulton-DeKalb-Rockdale-Walton-Newton-Morgan-Greene- Taliaferro-Heard-Coweta-Fayette-Clayton-Spalding-Henry-Butts-Jasper- Putnam-Hancock-Warren-Troup-Meriwether-Pike-Lamar-Monroe-Jones- Baldwin-Washington-Glascock-Jefferson- Including the cities of , Griffin, East Point, Conyers, Lawrenceville, Decatur, Dahlonega, Newnan, Gainesville, Calhoun, Athens, Marietta, Covington, Rome, Carrollton, Cleveland, Milledgeville, Atlanta, Douglasville, Cartersville, and Peachtree City 350 AM EDT Tue May 4 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch continues for * Flash Flood Watch for all of north Georgia and portions of central Georgia. * Through late tonight. * Rainfall totals of 1 to 3 inches with locally higher amounts have already occurred across portions of the watch area. Heavy rainfall associated with showers and thunderstorms later today could result in an additional 1 to 2 inches and would easily allow for efficient runoff and flash flooding potential given saturated soils. * Creeks and streams may rise out of their banks and inundate fields, roads, businesses and other property. Street flooding could also lead to road closures. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
906 WGUS62 KFFC 041950 FFAFFC Flood Watch National Weather Service Peachtree City GA 350 PM EDT Tue May 4 2021 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078-079-089- 090-050600- /O.CON.KFFC.FF.A.0006.000000T0000Z-210505T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee- Forsyth-Hall-Banks-Jackson-Madison-Polk-Paulding-Cobb-North Fulton- Gwinnett-Barrow-Clarke-Oconee-Oglethorpe-Wilkes-Haralson-Carroll- Douglas-South Fulton-DeKalb-Rockdale-Walton-Newton-Morgan-Greene- Taliaferro-Heard-Coweta-Fayette-Clayton-Spalding-Henry-Butts-Jasper- Putnam-Hancock-Warren-Troup-Meriwether-Pike-Upson-Lamar-Monroe-Jones- Baldwin-Washington-Glascock-Jefferson-Harris-Talbot-Muscogee- Chattahoochee- Including the cities of , Griffin, Conyers, Cartersville, Gainesville, Calhoun, Covington, Columbus, Newnan, Marietta, Carrollton, Atlanta, Decatur, Peachtree City, Athens, Rome, Lawrenceville, Dahlonega, East Point, Douglasville, Cleveland, and Milledgeville 350 PM EDT Tue May 4 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY... The Flash Flood Watch continues for * Portions of central Georgia, east central Georgia, north central Georgia, northeast Georgia, northwest Georgia and west central Georgia, including the following areas, in central Georgia, Baldwin, Butts, Jasper, Jones, Monroe and Putnam. In east central Georgia, Glascock, Greene, Hancock, Jefferson, Taliaferro, Warren, Washington and Wilkes. In north central Georgia, Barrow, Cherokee, Clayton, Cobb, Dawson, DeKalb, Douglas, Fannin, Fayette, Forsyth, Gilmer, Gwinnett, Hall, Henry, Lumpkin, Morgan, Newton, North Fulton, Pickens, Rockdale, South Fulton, Union and Walton. In northeast Georgia, Banks, Clarke, Jackson, Madison, Oconee, Oglethorpe, Towns and White. In northwest Georgia, Bartow, Carroll, Catoosa, Chattooga, Dade, Floyd, Gordon, Haralson, Murray, Paulding, Polk, Walker and Whitfield. In west central Georgia, Chattahoochee, Coweta, Harris, Heard, Lamar, Meriwether, Muscogee, Pike, Spalding, Talbot, Troup and Upson. * Until 2 AM EDT Wednesday. * Rainfall totals of 2 to 4 inches with locally higher amounts have already occurred across portions of the watch area. Heavy rainfall associated with showers and thunderstorms later today could result in an additional 1 to 2 inches and would easily allow for efficient runoff and flash flooding potential given saturated soils. * Creeks and streams may rise out of their banks and inundate fields, roads, businesses and other property. Street flooding could also lead to road closures. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ SK
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 8:50 AM EDT | Special Weather Statement | FFC | Carroll | 25 min |
| May 3, 9:11 AM EDT | Special Weather Statement | FFC | Emanuel | 34 min |
| May 3, 9:13 AM EDT | Special Weather Statement | FFC | Carroll | 32 min |
| May 3, 9:46 AM EDT | Special Weather Statement | FFC | Douglas | 29 min |
| May 3, 10:14 AM EDT | Severe Thunderstorm Warning | FFC | Cobb, Douglas, Fulton | 31 min |
| May 3, 10:21 AM EDT | Tornado Warning | FFC | Douglas, Fulton | 24 min |
| May 3, 10:44 AM EDT | Tornado Warning | FFC | DeKalb, Fulton | 31 min |
| May 3, 11:10 AM EDT | Special Weather Statement | FFC | Meriwether, Troup | 50 min |
| May 3, 11:10 AM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett | 32 min |
| May 3, 11:13 AM EDT | Special Weather Statement | FFC | Clayton | 32 min |
| May 3, 11:38 AM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett, Rockdale | 37 min |
| May 3, 11:53 AM EDT | Severe Thunderstorm Warning | FFC | Barrow, Gwinnett, Rockdale, Walton | 37 min |
| May 3, 11:58 AM EDT | Special Weather Statement | FFC | Paulding, Polk | 32 min |
| May 3, 12:03 PM EDT | Special Weather Statement | FFC | Meriwether, Pike | 42 min |
| May 3, 12:22 PM EDT | Special Weather Statement | FFC | Barrow, Clarke, Jackson | 23 min |
| May 3, 12:28 PM EDT | Flash Flood Warning | FFC | Carroll, Clayton, Cobb, DeKalb, Douglas, Forsyth and 5 more | 8 hr |
| May 3, 12:33 PM EDT | Special Weather Statement | FFC | Barrow | 27 min |
| May 3, 12:36 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Clarke, Jackson, Madison, Oglethorpe | 24 min |
| May 3, 12:42 PM EDT | Tornado Warning | FFC | Clarke, Jackson, Madison, Oglethorpe | 33 min |
| May 3, 12:46 PM EDT | Special Weather Statement | FFC | Cobb | 29 min |
| May 3, 12:48 PM EDT | Tornado Warning | FFC | Jackson, Madison | 27 min |
| May 3, 12:54 PM EDT | Special Weather Statement | FFC | Butts, Spalding | 36 min |
| May 3, 1:03 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Jasper, Lamar, Monroe, Spalding | 42 min |
| May 3, 1:06 PM EDT | Special Weather Statement | FFC | Clarke | 24 min |
| May 3, 1:17 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Madison, Oglethorpe | 28 min |
| May 3, 1:19 PM EDT | Special Weather Statement | FFC | Madison | 11 min |
| May 3, 1:26 PM EDT | Tornado Warning | FFC | Butts, Jasper | 34 min |
| May 3, 1:42 PM EDT | Severe Thunderstorm Warning | FFC | Madison, Oglethorpe | 33 min |
| May 3, 1:56 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Jasper, Jones, Monroe, Putnam | 34 min |
| May 3, 2:30 PM EDT | Special Weather Statement | FFC | Chattahoochee, Talbot | 45 min |
| May 3, 2:32 PM EDT | Special Weather Statement | FFC | Baldwin | 43 min |
| May 3, 2:40 PM EDT | Special Weather Statement | FFC | Harris, Muscogee | 35 min |
| May 3, 3:01 PM EDT | River Flood Warning | FFC | DeKalb | 7 hr |
| May 3, 3:02 PM EDT | River Flood Warning | FFC | Forsyth, Fulton | 67 hr |
| May 3, 3:03 PM EDT | River Flood Warning | FFC | Polk | 11 hr |
| May 3, 3:06 PM EDT | River Flood Warning | FFC | DeKalb | 7 hr |
| May 3, 3:06 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Glascock, Hancock, Jefferson, Washington | 39 min |
| May 3, 3:14 PM EDT | Special Weather Statement | FFC | Upson | 31 min |
| May 3, 3:16 PM EDT | Special Weather Statement | FFC | Chattahoochee, Marion | 29 min |
| May 3, 3:26 PM EDT | Special Weather Statement | FFC | Oglethorpe | 34 min |
| May 3, 3:41 PM EDT | Severe Thunderstorm Warning | FFC | Glascock, Jefferson, Washington | 34 min |
| May 3, 3:47 PM EDT | Severe Thunderstorm Warning | FFC | Wilkes | 13 min |
| May 3, 4:06 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 24 min |
| May 3, 4:21 PM EDT | River Flood Warning | FFC | Newton, Rockdale | 66 hr |
| May 3, 4:31 PM EDT | Special Weather Statement | FFC | Clarke, Oconee, Walton | 29 min |
| May 3, 4:34 PM EDT | River Flood Warning | FFC | Cobb | 6 hr |
| May 3, 4:37 PM EDT | Special Weather Statement | FFC | Washington | 23 min |
| May 3, 4:38 PM EDT | Special Weather Statement | FFC | Coweta | 37 min |
| May 3, 4:44 PM EDT | Severe Thunderstorm Warning | FFC | Twiggs, Wilkinson | 46 min |
| May 3, 4:55 PM EDT | Severe Thunderstorm Warning | FFC | Glascock, Hancock, Warren, Washington | 29 min |
| May 3, 5:06 PM EDT | Special Weather Statement | FFC | Clayton | 24 min |
| May 3, 5:21 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Washington, Wilkinson | 24 min |
| May 3, 5:29 PM EDT | River Flood Warning | FFC | Gwinnett | 7 hr |
| May 3, 5:46 PM EDT | Special Weather Statement | FFC | Paulding, Polk | 29 min |
| May 3, 5:46 PM EDT | Severe Thunderstorm Warning | FFC | Glascock, Jefferson, Washington | 44 min |
| May 3, 5:51 PM EDT | Special Weather Statement | FFC | Wilkes | 24 min |
| May 3, 6:18 PM EDT | Special Weather Statement | FFC | Polk | 27 min |
| May 3, 6:41 PM EDT | River Flood Warning | FFC | DeKalb, Fulton | 3 hr |
| May 3, 6:50 PM EDT | Special Weather Statement | FFC | Emanuel, Treutlen | 25 min |
| May 3, 7:27 PM EDT | Special Weather Statement | FFC | Pickens | 33 min |
| May 3, 7:33 PM EDT | Special Weather Statement | FFC | Emanuel | 27 min |
| May 3, 7:39 PM EDT | Special Weather Statement | FFC | Troup | 36 min |
| May 3, 7:45 PM EDT | River Flood Warning | FFC | Polk | 4 hr |
Nearby
Flash Flood Watches in Georgia, 2021Every flash flood watch 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.