Alert archive / Georgia / Flash Flood Warnings in 2021

Flash Flood Warning 4, NWS Atlanta, GA

March 25, 20216 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 25, 2021, 5:34 PM EDT for 6 counties in Georgia. It was in force for 10 hr. 19 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
Mar 25, 2021, 5:34 PM EDT (21:34 UTC)
Expired
Mar 26, 2021, 3:30 AM EDT
In force
10 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Fannin County, GA, Gilmer County, GA, Murray County, GA, Towns County, GA, Union County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 161 km from the middle of the area, began a volume at 21:34 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
Mar 25, 7:11 PM EDTFLASH FLOOD3 Ese Mill Creek, GAWATER OVER THE ROAD NEAR THE INTERSECTION OF FORREST HILL ROAD AND SUMMIT CIRCLE SW.
Mar 25, 7:18 PM EDTFLASH FLOOD2 Wnw Beaverdale, GAWATER OVER THE ROAD AT THE INTERSECTION OF LITTLE PROSPECT ROAD AND PROSPECT ROAD NE.
Mar 25, 7:42 PM EDTFLASH FLOOD4 Ese Dalton, GAWATER OVER THE ROAD NEAR THE INTERSECTION OF HEADRICK CIRCLE AND CIRCLEVIEW DR SE.
Mar 25, 7:50 PM EDTFLASH FLOOD1 Ene Dalton, GAWATER OVER ROAD NEAR THE INTERSECTION OF OLIVIA DR. AND JAMES ST.
Mar 25, 7:56 PM EDTFLASH FLOOD4 Sse Mill Creek, GAWATER OVER ROADWAY NEAR THE INTERSECTION OF WHITTLE DR SW & N DUG GAP RD
Mar 25, 8:28 PM EDTFLASH FLOOD3 E Dalton, GAWATER RESCUE NEAR INTERSECTION OF OLD GRADE RD AND JEFF DR.
Mar 25, 8:28 PM EDTFLASH FLOOD3 E Dalton, GAWATER RESCUE NEAR THE INTERSECTION OF OLD GRADE RD AND SOUTH BYPASS
Mar 25, 8:30 PM EDTFLASH FLOOD3 W Eton, GAALL LANES CLOSED ON GA225 JUST BEFORE GA286
Mar 25, 8:48 PM EDTFLASH FLOOD1 Sse Tilton, GAWATER OVER THE ROAD NEAR THE INTERSECTION OF GAZAWAY ROAD AND TILTON ROAD SE.
Mar 25, 9:15 PM EDTFLASH FLOOD1 Wnw Hemp, GAGA76 COMPLETELY WASHED OUT NEAR INTERSECTION WITH WRIGHT MILL RD
Mar 25, 9:30 PM EDTFLASH FLOOD1 Nne Blairsville, GAWATER OVER THE ROADWAY NEAR UNION COUNTY FARMERS MARKET ON OLD SMOKEY ROAD AND WEAVER ROAD.
Mar 25, 9:30 PM EDTFLASH FLOOD2 Ne Jones Creek, GAWATER OVER THE ROADWAY AT BYERS ROAD NEAR YOUNGCANE CREEK.
Mar 25, 9:30 PM EDTFLASH FLOOD3 Ne Vogel State Park, GAWATER OVER THE ROAD ON LITTON LANE NEAR MORRIS FORD ROAD.
Mar 25, 9:30 PM EDTFLASH FLOOD3 Nne Jones Creek, GAONE TREE HILL IS FLOODED.
Mar 25, 9:30 PM EDTFLASH FLOOD4 E Jones Creek, GABURNETTE ROAD IS FLOODED.
Mar 25, 9:30 PM EDTFLASH FLOOD4 Nw Blairsville, GAWATER OVER THE ROAD AT OLD GUMLOG SPUR.
Mar 25, 9:30 PM EDTFLASH FLOOD4 Sw Blairsville, GAWATER OVER THE ROADWAY AT OAK TREE VILLAGE PARK.
Mar 25, 9:30 PM EDTFLASH FLOOD4 Wsw Blairsville, GAINTERSECTION OF PLEASANT GROVE ROAD AND BLUE RIDGE HIGHWAY IS FLOODED.
Mar 25, 10:44 PM EDTFLASH FLOOD3 E Dalton, GAWATER OVER THE ROADWAY NEAR THE INTERSECTION OF JEFF DR AND OLD GRADE RD.

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, 9.6 hours before the alert went out and 159 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 2021-03-25Temperature 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 397 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
1602 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
397 m²/s²
0-3 km storm-relative helicity
647 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

080 
WGUS52 KFFC 252134
FFWFFC
GAC111-123-213-281-291-313-260330-
/O.NEW.KFFC.FF.W.0004.210325T2134Z-210326T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
534 PM EDT Thu Mar 25 2021

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Fannin County in north central Georgia...
  Gilmer County in north central Georgia...
  Union County in north central Georgia...
  Towns County in northeastern Georgia...
  Murray County in northwestern Georgia...
  Eastern Whitfield County in northwestern Georgia...

* Until 1130 PM EDT.

* At 534 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Dalton, Chatsworth, Ellijay, Blue Ridge, Hiawassee, Blairsville, 
  Eton, Young Harris, East Ellijay, Morganton, Suches, Cherry Log, 
  Higdon, Pisgah, Colwell, Mineral Bluff, Epworth, Dial, Roy and 
  Hurst.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3497 8489 3497 8355 3495 8355 3494 8360
      3490 8360 3488 8366 3481 8367 3478 8382
      3472 8384 3474 8395 3464 8404 3465 8412
      3461 8418 3461 8491 3463 8491 3461 8493
      3461 8505

FLASH FLOOD...RADAR INDICATED

$$
3 follow-up statements
147 
WGUS52 KFFC 260322
FFWFFC
GAC111-123-213-281-291-313-260530-
/O.EXT.KFFC.FF.W.0004.000000T0000Z-210326T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1122 PM EDT Thu Mar 25 2021

The National Weather Service in Peachtree City has extended the

* Flash Flood Warning for...
  Fannin County in north central Georgia...
  Gilmer County in north central Georgia...
  Union County in north central Georgia...
  Towns County in northeastern Georgia...
  Murray County in northwestern Georgia...
  Eastern Whitfield County in northwestern Georgia...

* Until 130 AM EDT.

* At 1122 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Dalton, Chatsworth, Ellijay, Blue Ridge, Hiawassee, Blairsville, 
  Eton, Young Harris, East Ellijay, Morganton, Suches, Cherry Log, 
  Higdon, Pisgah, Colwell, Mineral Bluff, Epworth, Dial, Roy and 
  Hurst.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3497 8489 3497 8355 3495 8355 3494 8360
      3490 8360 3488 8366 3481 8367 3478 8382
      3472 8384 3474 8395 3464 8404 3465 8412
      3461 8418 3461 8491 3463 8491 3461 8493
      3461 8505

FLASH FLOOD...RADAR INDICATED

$$
991 
WGUS52 KFFC 260437
FFWFFC
GAC111-123-213-281-291-313-260730-
/O.EXT.KFFC.FF.W.0004.000000T0000Z-210326T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1237 AM EDT Fri Mar 26 2021

The National Weather Service in Peachtree City has extended the

* Flash Flood Warning for...
  Fannin County in north central Georgia...
  Gilmer County in north central Georgia...
  Union County in north central Georgia...
  Towns County in northeastern Georgia...
  Murray County in northwestern Georgia...
  Eastern Whitfield County in northwestern Georgia...

* Until 330 AM EDT.

* At 1237 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Dalton, Chatsworth, Ellijay, Blue Ridge, Hiawassee, Blairsville, 
  Eton, Young Harris, East Ellijay, Morganton, Suches, Cherry Log, 
  Higdon, Pisgah, Colwell, Mineral Bluff, Epworth, Dial, Roy and 
  Hurst.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3497 8489 3497 8355 3495 8355 3494 8360
      3490 8360 3488 8366 3481 8367 3478 8382
      3472 8384 3474 8395 3464 8404 3465 8412
      3461 8418 3461 8491 3463 8491 3461 8493
      3461 8505

FLASH FLOOD...RADAR INDICATED

$$
711 
WGUS72 KFFC 260726
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
326 AM EDT Fri Mar 26 2021

GAC111-123-213-281-291-313-260736-
/O.EXP.KFFC.FF.W.0004.000000T0000Z-210326T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fannin GA-Gilmer GA-Murray GA-Towns GA-Union GA-Whitfield GA-
326 AM EDT Fri Mar 26 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 330 AM EDT EARLY THIS MORNING 
FOR FANNIN, GILMER, UNION, TOWNS, MURRAY AND EASTERN WHITFIELD 
COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

A Flash Flood Watch remains in effect until 800 AM EDT for portions 
of north central Georgia...northeast Georgia and northwest Georgia.

LAT...LON 3497 8489 3497 8355 3495 8355 3494 8360
      3490 8360 3488 8366 3481 8367 3478 8382
      3472 8384 3474 8395 3464 8404 3465 8412
      3461 8418 3461 8491 3463 8491 3461 8493
      3461 8505

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 6:01 AM EDTSpecial Weather StatementFFCHarris14 min
Mar 25, 6:23 AM EDTSpecial Weather StatementFFCHarris37 min
Mar 25, 6:53 AM EDTSpecial Weather StatementFFCMeriwether, Pike, Troup37 min
Mar 25, 10:37 AM EDTSevere Thunderstorm WarningFFCCatoosa, Chattooga, Dade, Walker, Whitfield53 min
Mar 25, 11:19 AM EDTSpecial Weather StatementFFCGordon, Murray, Whitfield41 min
Mar 25, 11:46 AM EDTFlash Flood WarningFFCCatoosa, Chattooga, Dade, Walker, Whitfield10 hr
Mar 25, 12:00 PM EDTSpecial Weather StatementFFCFannin, Gilmer, Murray30 min
Mar 25, 12:02 PM EDTSpecial Weather StatementFFCFloyd, Polk28 min
Mar 25, 12:17 PM EDTRiver Flood WarningFFCDade31 hr
Mar 25, 12:21 PM EDTSevere Thunderstorm WarningFFCFloyd, Haralson, Polk24 min
Mar 25, 12:41 PM EDTSevere Thunderstorm WarningFFCBartow, Cobb, Floyd, Paulding, Polk49 min
Mar 25, 1:04 PM EDTSevere Thunderstorm WarningFFCCherokee, Cobb, Forsyth, Fulton26 min
Mar 25, 1:09 PM EDTSpecial Weather StatementFFCTowns, Union36 min
Mar 25, 1:30 PM EDTSevere Thunderstorm WarningFFCBarrow, Cherokee, Cobb, Forsyth, Fulton, Gwinnett and 2 more45 min
Mar 25, 2:03 PM EDTSpecial Weather StatementFFCChattooga, Floyd, Gordon, Polk42 min
Mar 25, 2:13 PM EDTSpecial Weather StatementFFCBanks, Hall47 min
Mar 25, 2:42 PM EDTRiver Flood WarningFFCCatoosa43 hr
Mar 25, 2:48 PM EDTSpecial Weather StatementFFCBartow, Polk27 min
Mar 25, 2:50 PM EDTTornado WarningFFCBanks, Jackson, Madison11 min
Mar 25, 3:07 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Paulding, Polk38 min
Mar 25, 3:28 PM EDTFlash Flood WarningFFCBartow, Chattooga, Floyd, Gordon, Polk13 hr
Mar 25, 3:38 PM EDTSpecial Weather StatementFFCCherokee, Forsyth37 min
Mar 25, 4:18 PM EDTTornado Warning Tornado observedFFCFloyd, Polk57 min
Mar 25, 4:49 PM EDTRiver Flood WarningFFCChattooga35 hr
Mar 25, 4:59 PM EDTTornado WarningFFCBartow, Floyd46 min
Mar 25, 5:37 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Pickens38 min
Mar 25, 6:41 PM EDTSpecial Weather StatementFFCWhitfield34 min
Mar 25, 7:25 PM EDTSpecial Weather StatementFFCBartow35 min
Mar 25, 7:37 PM EDTRiver Flood WarningFFCWhitfield4 days
Mar 25, 7:45 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Fulton, Paulding45 min

Nearby

Flash Flood Warnings in Georgia, 2021Every flash flood 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.