Alert archive / Georgia / Flash Flood Watches in 2021
Flash Flood Watch 4, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood watch at Mar 24, 2021, 2:38 PM EDT for 19 counties in Georgia. It took effect at Mar 25, 2021, 2:00 AM EDT. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Mar 24, 2021, 2:38 PM EDT (18:38 UTC)
- In effect from
- Mar 25, 2021, 2:00 AM EDT
- Expired
- Mar 26, 2021, 3:42 AM EDT
- In force
- 26 hr
- Issued by
- NWS Atlanta, GA
- Flood severity
- None
Counties Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 136 km from the middle of the area, began a volume at 18:36 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, 6.6 hours before the alert went out and 137 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
- 4 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
841 WGUS62 KFFC 241838 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Peachtree City GA 238 PM EDT Wed Mar 24 2021 GAZ001>009-011>016-019-250245- /O.NEW.KFFC.FF.A.0004.210325T0600Z-210326T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd- Including the cities of , Dahlonega, Rome, Calhoun, and Cleveland 238 PM EDT Wed Mar 24 2021 ...FLASH FLOOD WATCH IN EFFECT FROM 2 AM EDT THURSDAY THROUGH FRIDAY MORNING... The National Weather Service in Peachtree City has issued a * Flash Flood Watch for portions of north Georgia, including the following areas, in north central Georgia, Dawson, Fannin, Gilmer, Lumpkin, Pickens and Union. In northeast Georgia, Towns and White. In northwest Georgia, Catoosa, Chattooga, Dade, Floyd, Gordon, Murray, Walker and Whitfield. * From 2 AM EDT Thursday through Friday morning * Periods of heavy rainfall will affect portions of north Georgia beginning Thursday morning and persisting through Friday morning. Rainfall totals of 1.5 to 3 inches with locally higher amounts over 3 inches are expected. Previous rainfall has kept soils saturated, allowing more easily for runoff and potential flash flooding. * Creeks and streams may rise out of their banks and inundate fields, roads, and property. Roads may be closed. 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. && $$
5 follow-up statements
144 WGUS62 KFFC 250101 FFAFFC Flood Watch National Weather Service Peachtree City GA 901 PM EDT Wed Mar 24 2021 GAZ001>009-011>016-019-251000- /O.CON.KFFC.FF.A.0004.210325T0600Z-210326T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd- Including the cities of Calhoun, Dahlonega, Cleveland, and Rome 901 PM EDT Wed Mar 24 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 2 AM EDT THURSDAY THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of north central Georgia...northeast Georgia and northwest Georgia...including the following areas...in north central Georgia...Dawson...Fannin...Gilmer...Lumpkin...Pickens and Union. In northeast Georgia...Towns and White. In northwest Georgia...Catoosa...Chattooga...Dade...Floyd... Gordon...Murray...Walker and Whitfield. * From 2 AM EDT Thursday through Friday morning * Periods of heavy rainfall will affect portions of north Georgia beginning Thursday morning and persisting through Friday morning. Rainfall totals of 1.5 to 3 inches with locally higher amounts over 3 inches are expected. Previous rainfall has kept soils saturated, allowing more easily for runoff and potential flash flooding. * Creeks and streams may rise out of their banks and inundate fields, roads, and property. Roads may be closed. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
478 WGUS62 KFFC 250816 FFAFFC Flood Watch National Weather Service Peachtree City GA 416 AM EDT Thu Mar 25 2021 GAZ001>009-011>016-019-251630- /O.CON.KFFC.FF.A.0004.000000T0000Z-210326T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd- Including the cities of Calhoun, Dahlonega, Cleveland, and Rome 416 AM EDT Thu Mar 25 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of north central Georgia...northeast Georgia and northwest Georgia...including the following areas...in north central Georgia...Dawson...Fannin...Gilmer...Lumpkin...Pickens and Union. In northeast Georgia...Towns and White. In northwest Georgia...Catoosa...Chattooga...Dade...Floyd... Gordon...Murray...Walker and Whitfield. * Through Friday morning * Periods of heavy rainfall will spread into the forecast area this morning and affect portions of north Georgia. Rainfall will persist through Friday morning. Rainfall totals of 1.5 to 3 inches with locally higher amounts over 3 inches are expected. Previous rainfall has kept soils saturated, allowing more easily for runoff and potential flash flooding. * Creeks and streams may rise out of their banks and inundate fields, roads, and property. Roads may be closed. 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. && $$
766 WGUS62 KFFC 251558 FFAFFC Flood Watch National Weather Service Peachtree City GA 1158 AM EDT Thu Mar 25 2021 GAZ020-021-030-260900- /O.EXA.KFFC.FF.A.0004.000000T0000Z-210326T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Bartow-Cherokee-Polk- Including the cities of and Cartersville 1158 AM EDT Thu Mar 25 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY MORNING... The National Weather Service in Peachtree City has expanded the * Flash Flood Watch to include additional portions of north Georgia, including the following areas, Bartow, Cherokee and Polk. * Through Friday morning * Periods of heavy rainfall will spread into the area this afternoon into tonight. Rainfall totals of 1 to 2 inches with locally higher amounts are expected. * Creeks and streams may rise out of their banks and inundate fields, roads, and property. Roads may be closed. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ GAZ001>009-011>016-019-260900- /O.CON.KFFC.FF.A.0004.000000T0000Z-210326T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd- Including the cities of , Dahlonega, Rome, Calhoun, and Cleveland 1158 AM EDT Thu Mar 25 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of north Georgia, including the following areas, in north central Georgia, Dawson, Fannin, Gilmer, Lumpkin, Pickens and Union. In northeast Georgia, Towns and White. In northwest Georgia, Catoosa, Chattooga, Dade, Floyd, Gordon, Murray, Walker and Whitfield. * Through Friday morning * Periods of heavy rainfall will continue to affect portions of north Georgia this afternoon into tonight. Rainfall totals of 1.5 to 3 inches with locally higher amounts over 3 inches are expected. This additional rainfall on top of heavy rainfall amounts that have already fallen will more easily allow for runoff and flash flooding. * Creeks and streams may rise out of their banks and inundate fields, roads, and property. Roads may be closed. 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. && $$
913 WGUS62 KFFC 260028 FFAFFC Flood Watch National Weather Service Peachtree City GA 828 PM EDT Thu Mar 25 2021 GAZ001>009-011>016-019>021-030-261200- /O.CON.KFFC.FF.A.0004.000000T0000Z-210326T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee- Polk- Including the cities of , Dahlonega, Calhoun, Rome, Cleveland, and Cartersville 828 PM EDT Thu Mar 25 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY... The Flash Flood Watch continues for * Portions of north Georgia, including the following areas, in north central Georgia, Cherokee, Dawson, Fannin, Gilmer, Lumpkin, Pickens and Union. In northeast Georgia, Towns and White. In northwest Georgia, Bartow, Catoosa, Chattooga, Dade, Floyd, Gordon, Murray, Polk, Walker and Whitfield. * Until 8 AM EDT Friday * Periods of heavy rainfall will continue to affect portions of north Georgia tonight. Total rainfall so far has been estimated around 1 to 3 inches with locally higher near 5 inches. An additional 1 to 3 inches of rainfall is possible through tonight. This additional rainfall on top of heavy rainfall amounts that have already fallen will more easily allow for runoff and flash flooding. * Creeks and streams may rise out of their banks and inundate fields, roads, and property. Roads may be closed. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
429 WGUS62 KFFC 260742 FFAFFC Flood Watch National Weather Service Peachtree City GA 342 AM EDT Fri Mar 26 2021 GAZ001>009-011>016-019>021-030-260845- /O.CAN.KFFC.FF.A.0004.000000T0000Z-210326T1200Z/ /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- Polk- Including the cities of , Dahlonega, Calhoun, Rome, Cleveland, and Cartersville 342 AM EDT Fri Mar 26 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of north central Georgia... northeast Georgia and northwest Georgia, including the following areas, in north central Georgia, Cherokee, Dawson, Fannin, Gilmer, Lumpkin, Pickens and Union. In northeast Georgia, Towns and White. In northwest Georgia, Bartow, Catoosa, Chattooga, Dade, Floyd, Gordon, Murray, Polk, Walker and Whitfield has been cancelled. The Flash Flood Watch is cancelled. Some localized Flash Flooding remains ongoing. Please continue to heed remaining Flash Flood Warnings and road closures. $$
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.