Alert archive / Georgia / Flash Flood Watches in 2020
Flash Flood Watch 1, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood watch at Jan 13, 2020, 10:12 AM EST for 56 counties in Georgia. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Jan 13, 2020, 10:12 AM EST (15:12 UTC)
- Expired
- Jan 14, 2020, 9:43 PM EST
- In force
- 36 hr
- Issued by
- NWS Atlanta, GA
- Flood severity
- None
All 56 counties
Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa 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, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Morgan County, GA, Murray 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, Taliaferro County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA
The radar
The Atlanta radar (KFFC), 74 km from the middle of the area, began a volume at 15:11 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, 3.2 hours before the alert went out and 71 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
- 56 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 445 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
308 WGUS62 KFFC 131512 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Peachtree City GA 1012 AM EST Mon Jan 13 2020 GAZ001>009-011>016-019>025-027-030>039-041>060-066>068-070-132315- /O.NEW.KFFC.FF.A.0001.200113T1512Z-200115T1200Z/ /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-Troup-Meriwether-Pike-Lamar- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 1012 AM EST Mon Jan 13 2020 ...FLASH FLOOD WATCH IN EFFECT THROUGH WEDNESDAY MORNING... The National Weather Service in Peachtree City has issued a * Flash Flood Watch 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...Butts...Jasper and Putnam. In east central Georgia...Greene...Taliaferro 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...Coweta...Heard...Lamar...Meriwether... Pike...Spalding and Troup. * Through Wednesday morning * A frontal boundary will remain stalled across much of north and central Georgia through Wednesday morning. Waves of moderate to locally heavy rainfall are expected today through Wednesday morning. Soils are already saturated and additional rainfall, even lighter amounts, will only exacerbate run off. One to three inches of rain has already fallen over the southern and eastern Atlanta metro areas and additional rainfall amounts of one to two inches are possible through the remainder of the day. The axis of heavier rainfall is expected to shift northward overnight and Tuesday with additional rainfall amounts of one to three inches possible. Locally higher amounts, especially across the higher terrain of north Georgia, are also possible. 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. && $$
6 follow-up statements
249 WGUS62 KFFC 131943 FFAFFC Flood Watch National Weather Service Peachtree City GA 243 PM EST Mon Jan 13 2020 GAZ001>009-011>016-019>025-027-030>039-041>060-066>068-070-140345- /O.CON.KFFC.FF.A.0001.000000T0000Z-200115T1200Z/ /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-Troup-Meriwether-Pike-Lamar- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 243 PM EST Mon Jan 13 2020 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... 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...Butts...Jasper and Putnam. In east central Georgia...Greene...Taliaferro 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...Coweta...Heard...Lamar... Meriwether...Pike...Spalding and Troup. * Through Wednesday morning * A frontal boundary will remain stalled across much of north and central Georgia through Wednesday morning. Waves of moderate to locally heavy rainfall are expected today through Wednesday morning. Soils are already saturated and additional rainfall, even lighter amounts, will only exacerbate run off. The axis of heaviest rainfall is expected to shift to the north of the Interstate 85 corridor overnight and Tuesday with additional rainfall amounts of one to three inches possible. Locally higher amounts, especially across the higher terrain of north Georgia, are also possible. 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. && $$
360 WGUS62 KFFC 140153 FFAFFC Flood Watch National Weather Service Peachtree City GA 853 PM EST Mon Jan 13 2020 GAZ001>009-011>016-019>025-027-030>039-041>060-066>068-070-141000- /O.CON.KFFC.FF.A.0001.000000T0000Z-200115T1200Z/ /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-Troup-Meriwether-Pike-Lamar- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 853 PM EST Mon Jan 13 2020 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... 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...Butts...Jasper and Putnam. In east central Georgia...Greene...Taliaferro 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...Coweta...Heard...Lamar... Meriwether...Pike...Spalding and Troup. * Through Wednesday morning * A frontal boundary will remain stalled across much of north and central Georgia through Wednesday morning. Waves of moderate to locally heavy rainfall are expected through Wednesday morning. Soils are already saturated and additional rainfall, even lighter amounts, will only exacerbate run off. The axis of heaviest rainfall is expected to shift to the north of the Interstate 85 corridor overnight and Tuesday with additional rainfall amounts of one to three inches possible. Locally higher amounts will be possible, especially across the higher terrain of north Georgia. 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. && $$
961 WGUS62 KFFC 140852 FFAFFC Flood Watch National Weather Service Peachtree City GA 352 AM EST Tue Jan 14 2020 GAZ001>009-011>016-019>025-027-030>039-041>060-066>068-070-142000- /O.CON.KFFC.FF.A.0001.000000T0000Z-200115T1200Z/ /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-Troup-Meriwether-Pike-Lamar- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 352 AM EST Tue Jan 14 2020 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... 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...Butts...Jasper and Putnam. In east central Georgia...Greene...Taliaferro 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...Coweta...Heard...Lamar... Meriwether...Pike...Spalding and Troup. * Through Wednesday morning * A frontal boundary will remain stalled across much of north and central Georgia through Wednesday morning. Waves of moderate to locally heavy rainfall are expected through Wednesday morning. Soils are already saturated and additional rainfall, even lighter amounts, will only exacerbate run off. The axis of heaviest rainfall is expected to shift to the north of the Interstate 85 corridor today with additional rainfall amounts of one to two inches possible. Locally higher amounts will be possible, especially across the higher terrain of north Georgia. 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. && $$
268 WGUS62 KFFC 141521 FFAFFC Flood Watch National Weather Service Peachtree City GA 1021 AM EST Tue Jan 14 2020 GAZ001>009-011>016-019>025-027-030>039-041>060-066>068-070-142330- /O.CON.KFFC.FF.A.0001.000000T0000Z-200115T1200Z/ /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-Troup-Meriwether-Pike-Lamar- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 1021 AM EST Tue Jan 14 2020 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... 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...Butts...Jasper and Putnam. In east central Georgia...Greene...Taliaferro 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...Coweta...Heard...Lamar... Meriwether...Pike...Spalding and Troup. * Through Wednesday morning * A frontal boundary will remain stalled across much of north and central Georgia bringing additional waves of moderate to locally heavy rainfall through Wednesday morning. Soils are already saturated and additional rainfall, even lighter amounts, will only exacerbate run off. An additional one half to one and a half inches of rain are expected within the watch area. Locally higher amounts will be possible, especially across the higher terrain of north Georgia. 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. && $$
966 WGUS62 KFFC 141951 FFAFFC Flood Watch National Weather Service Peachtree City GA 251 PM EST Tue Jan 14 2020 GAZ001>009-011>016-019>025-027-030>039-041>060-066>068-070-150400- /O.CON.KFFC.FF.A.0001.000000T0000Z-200115T1200Z/ /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-Troup-Meriwether-Pike-Lamar- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 251 PM EST Tue Jan 14 2020 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... 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...Butts...Jasper and Putnam. In east central Georgia...Greene...Taliaferro 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...Coweta...Heard...Lamar... Meriwether...Pike...Spalding and Troup. * Through Wednesday morning * A frontal boundary will remain stalled across much of north Georgia bringing additional waves of moderate to locally heavy rainfall through Wednesday morning. Soils are already saturated and additional rainfall, even lighter amounts, will only exacerbate run off. An additional one half to one and a half inches of rain are expected within the watch area. Locally higher amounts will be possible, especially across the higher terrain of north Georgia. 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. && $$
413 WGUS62 KFFC 150243 FFAFFC Flood Watch National Weather Service Peachtree City GA 943 PM EST Tue Jan 14 2020 GAZ001>009-011>016-019>025-027-030>039-041>060-066>068-070-150345- /O.CAN.KFFC.FF.A.0001.000000T0000Z-200115T1200Z/ /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-Troup-Meriwether-Pike-Lamar- Including the cities of Calhoun, Dahlonega, Cleveland, Rome, Cartersville, Gainesville, Marietta, Atlanta, Lawrenceville, Athens, Carrollton, Douglasville, East Point, Decatur, Conyers, Covington, Newnan, Peachtree City, and Griffin 943 PM EST Tue Jan 14 2020 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for north Georgia has been cancelled. Some lingering runoff may still lead to lowland flooding of rivers or small creeks and streams in some locations. $$
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Atlanta, GA wrote its last area forecast discussion before this flash flood watch went out at Jan 13, 6:51 AM EST, 3 hours 21 minutes earlier.
Area forecast discussion, Jan 13, 6:51 AM EST, 3 hours 21 minutes before
Area Forecast Discussion National Weather Service Peachtree City GA 651 AM EST Mon Jan 13 2020 .UPDATE... Updated for the 12Z Aviation Discussion. && .PREV DISCUSSION... /Issued 425 AM EST Mon Jan 13 2020/ SHORT TERM /Today through Tuesday/... The short term period begins with the warm front moving slowly northward across the forecast area. Current radar shows a line of showers and thunderstorms extending along an axis along and south of the I-85 corridor along the leading edge of the frontal boundary. Thunderstorms within this line are not severe, but are nonetheless capable of producing locally heavy rainfall. The front, along with the showers and thunderstorms, will continue to slowly advance into north Georgia during the morning hours. Low clouds and reduced visibilities have furthermore developed in the areas behind and south of the warm front. Widespread fog is in place across portions of central Georgia, with some locations in the far southern tier of the forecast area experiencing dense fog with visibilities reduced to a quarter mile or less. As a result, a Dense Fog Advisory is in effect for those areas until 9 AM EST this morning. Persistent southwesterly flow aloft remains in place over the southeastern CONUS, keeping a warm, moist airmass over the region and contributing to dewpoint values in the low to mid 60s across most of north and central Georgia, and precipitable water values between 1.2" and 1.6". Later during the day today, the warm front will stall and become stationary across north Georgia, remaining draped across the area into Tuesday. Likely to categorical PoPs are expected ahead of the warm front, primarily across north Georgia through today and Tuesday, with progressively diminishing PoPs behind the front. Deep moisture and high dewpoints as a result of the southwesterly flow aloft remaining over the southeastern CONUS will allow for sufficient instability to warrant isolated to scattered thunderstorms where showers occur. Due to the continued warm and moist flow from the Gulf, temperatures will be well above climatological normals through the short term period. Low temperatures this morning are expected to range from the low 50s in far north Georgia to the low 60s in east-central Georgia. These temperatures are 20-28 degrees higher than the daily average across most of the forecast area. High temperatures today and Tuesday will range from the upper 60s in north Georgia to the upper 70s in east central Georgia, between 16-24 degrees above average area-wide. King LONG TERM /Tuesday Night through Sunday/... Will be short and sweet here with the long term discussion given the ongoing overnight convection across the area. The long term period begins with a continued southern stream jet connection to the Pacific that will bring a great deal of moisture to the area for most of the week. Extended models in good agreement in high levels of deep layer moisture along with occasional shortwaves in zonal flow aloft temporarily increase rain chances. The best chances for rain will be Tue through early Thu with main precip axis meandering north and south through the forecast area. Enough instability present to warrant mainly isolated thunder chances through this period. Given antecedent conditions, certainly could be looking at additional flooding given persistent axis and possibility of training across the area. High bridging across the northern tier will shunt precip south of the area for Friday but yet another shortwave will bring another shot of precip ahead of a front to the area for Saturday. Deese && .AVIATION... 12Z Update... SHRA/TSRA continues to advance northward through the forecast area as the period begin, are ongoing around all TAF sites, and expected to continue throughout the day. IFR/LIFR ceilings and visibility restrictions are solidly in place across CSG/MCN and IFR conditions have arrived at the ATL metro sites and AHN. These IFR conditions are expected to remain throughout the remainder of the TAF period, with the exception of ceilings improving to MVFR at CSG/MCN late this afternoon by 20-22Z. Winds will remain light through the period, at mainly 7 kts or less. Light and variable winds to start the period will become SE this afternoon by 18Z before shifting to S to SW early Tuesday morning by 09-11Z. //ATL Confidence...12Z Update... Medium confidence on all elements. King && .PRELIMINARY POINT TEMPS/POPS... Athens 69 61 72 62 / 90 70 60 60 Atlanta 68 62 70 63 / 90 70 70 50 Blairsville 65 56 66 58 / 80 90 90 60 Cartersville 67 60 70 61 / 80 80 80 60 Columbus 75 63 74 64 / 60 40 50 30 Gainesville 66 60 69 62 / 80 80 80 60 Macon 77 61 74 63 / 40 40 40 30 Rome 66 59 70 61 / 80 90 80 60 Peachtree City 70 62 72 62 / 80 60 70 50 Vidalia 79 63 78 62 / 40 30 20 20 && .FFC WATCHES/WARNINGS/ADVISORIES... Dense Fog Advisory until 9 AM EST this morning for the following zones: Bleckley...Chattahoochee...Crisp...Dodge...Dooly... Emanuel...Houston...Johnson...Laurens...Macon...Marion... Montgomery...Pulaski...Schley...Stewart...Sumter...Telfair... Toombs...Treutlen...Webster...Wheeler...Wilcox. && SHORT TERM...King LONG TERM....Deese AVIATION...King
Hazardous weather outlook, Jan 13, 5:42 AM EST, 4 hours 30 minutes before
Hazardous Weather Outlook National Weather Service Peachtree City GA 542 AM EST Mon Jan 13 2020 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-141045- Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa- Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta- Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel- Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene- Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson- Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon- Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray- Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach- Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton- Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs- Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren- Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes- Wilkinson- 542 AM EST Mon Jan 13 2020 This Hazardous Weather Outlook is for portions of North and Central Georgia. .DAY ONE...Today and Tonight... Showers and a few thunderstorms are expected across portions of the area as a warm front lifts northward over north and central Georgia. Any thunderstorms that develop should remain below severe limits. Also, widespread dense fog will be present through the morning for portions of Central GA. Precautions should be taken in areas of reduced visibilities. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday... Showers and thunderstorms will persist into Saturday as a frontal boundary remains stalled over north Georgia. Heavy rainfall could again lead to flooding concerns as soils will already be saturated. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight.
In the hours before
Special weather statement, Jan 13, 5:21 AM EST, 4 hours 51 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
521 AM EST Mon Jan 13 2020
GAZ068>071-079>081-131100-
Lamar GA-Monroe GA-Taylor GA-Upson GA-Crawford GA-Talbot GA-Pike GA-
521 AM EST Mon Jan 13 2020
...SIGNIFICANT WEATHER ADVISORY FOR LAMAR...SOUTHWESTERN MONROE...
NORTHWESTERN TAYLOR...UPSON...NORTHWESTERN CRAWFORD...EASTERN TALBOT
AND SOUTHEASTERN PIKE COUNTIES UNTIL 600 AM EST...
At 521 AM EST...a strong thunderstorm was over Prattsburg, or 8 miles
northeast of Talbotton...moving northeast at 30 mph.
HAZARD...Up to 40 mph wind...frequent cloud to ground lightning
and heavy rain.
IMPACT...Expect minor damage to tree limbs and blowing around of
light...unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Some locations in the path of this storm include
Thomaston, Barnesville, Roberta, Milner, Yatesville, Junction City,
Culloden, Aldora, Sunset Village, Lincoln Park, The Rock,
Russellville, Howard, Logtown, Salem, Prattsburg, Hannahs Mill, Big
Lazer Creek Wma, Wesley Church and Fickling Mill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
LAT...LON 3256 8445 3256 8449 3277 8452 3317 8416
3276 8390 3253 8445
TIME...MOT...LOC 1021Z 245DEG 24KT 3273 8440
WIND...40MPHLocal storm report, Jan 13, 7:39 AM EST, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
739 AM EST MON JAN 13 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0536 AM TSTM WND DMG 3 NNE BOX SPRINGS 32.57N 84.64W
01/11/2020 TALBOT GA EMERGENCY MNGR
TREE FELL ONTO POWERLINES NEAR THE INTERSECTION OF THE
HUT RD AND FAWN DR. TIME INDICATED BY RADAR.
&&
EVENT NUMBER FFC2000074
TVLocal storm report, Jan 13, 7:41 AM EST, 2 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
741 AM EST MON JAN 13 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0536 PM TSTM WND DMG 3 NNE BOX SPRINGS 32.57N 84.64W
01/11/2020 TALBOT GA EMERGENCY MNGR
TREE FELL ONTO POWERLINES NEAR THE INTERSECTION OF THE
HUT RD AND FAWN DR. TIME INDICATED BY RADAR.
&&
CORRECTED EVENT TIME
EVENT NUMBER FFC2000074
TVLocal storm report, Jan 13, 9:33 AM EST, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
933 AM EST MON JAN 13 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0625 PM TSTM WND DMG 2 S CARSONVILLE 32.69N 84.29W
01/11/2020 TAYLOR GA EMERGENCY MNGR
TREES DOWN NEAR THE INTERSECTION OF WESLEY CHURCH AND
LAWDON RD. TIME INDICATED BY RADAR.
&&
EVENT NUMBER FFC2000075
TVLocal storm report, Jan 13, 9:46 AM EST, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
946 AM EST MON JAN 13 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0618 PM TSTM WND DMG 2 WSW MCKIBBEN 33.26N 84.08W
01/11/2020 BUTTS GA EMERGENCY MNGR
TREES DOWN NEAR THE INTERSECTION OF HWY 36 AND E BALL
RD. TIME INDICATED BY RADAR.
&&
EVENT NUMBER FFC2000076
TVThe office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 10:07 PM EST | Special Weather Statement | FFC | Hancock | 23 min |
| Jan 12, 11:10 PM EST | Special Weather Statement | FFC | Lamar, Meriwether, Pike | 35 min |
| Jan 12, 11:44 PM EST | Special Weather Statement | FFC | Lamar, Pike, Spalding | 46 min |
| Jan 13, 12:16 AM EST | Special Weather Statement | FFC | Butts, Jasper | 44 min |
| Jan 13, 12:53 AM EST | Special Weather Statement | FFC | Jasper, Morgan | 52 min |
| Jan 13, 1:34 AM EST | Dense Fog Advisory | FFC | Bleckley, Chattahoochee, Crisp, Dodge, Dooly, Emanuel and 16 more | 7 hr |
| Jan 13, 1:51 AM EST | Special Weather Statement | FFC | Greene, Taliaferro, Wilkes | 39 min |
| Jan 13, 2:41 AM EST | Flash Flood Warning | FFC | Greene, Taliaferro, Wilkes | 6 hr |
| Jan 13, 5:21 AM EST | Special Weather Statement | FFC | Lamar, Upson | 39 min |
| Jan 13, 7:59 AM EST | Flash Flood Warning | FFC | Coweta, Fayette, Meriwether, Pike, Spalding, Troup | 4 hr |
| Jan 13, 8:59 AM EST | Flash Flood Warning | FFC | Greene, Oglethorpe, Taliaferro, Wilkes | 3 hr |
| Jan 13, 10:29 AM EST | River Flood Warning | FFC | Baldwin, Washington, Wilkinson | 20 hr |
| Jan 13, 10:36 AM EST | River Flood Warning | FFC | Fayette, Spalding | 70 hr |
| Jan 13, 2:23 PM EST | River Flood Warning | FFC | Bibb, Houston, Jones, Monroe, Twiggs | 4 days |
| Jan 13, 2:23 PM EST | River Flood Warning | FFC | Taliaferro, Wilkes | 43 hr |
Nearby
Flash Flood Watches in Georgia, 2020Every flash flood watch in 2020
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.