Alert archive / Georgia / Flash Flood Warnings in 2022

Flash Flood Warning 41, NWS Atlanta, GA

September 4, 2022Bibb County, Jones County, Monroe County, Georgia

NWS Atlanta, GA issued this flash flood warning at Sep 4, 2022, 9:42 PM EDT for Bibb County, Jones County, Monroe County, Georgia. It was in force for 5 hr. 2 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
Sep 4, 2022, 9:42 PM EDT (01:42 UTC)
Expired
Sep 5, 2022, 2:44 AM EDT
In force
5 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Bibb County, GA, Jones County, GA, Monroe County, GA

The radar

The Robins AFB radar (KJGX), 38 km from the middle of the area, began a volume at 01:42 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
Sep 4, 10:09 PM EDTFLASH FLOOD3 W Wesleyan, GAFLOODING OCCURRING IN NEIGHBORHOOD NEAR LAKE WILDWOOD OFF OF ZEBULON RD.
Sep 4, 10:37 PM EDTFLASH FLOOD3 W Wesleyan, GAWATER COVERING ZEBULON RD NEAR I-475.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.7 hours before the alert went out and 288 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, Birmingham, AL at 00:00Z on 2022-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 750 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 2022-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
750 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

363 
WGUS52 KFFC 050142
FFWFFC
GAC021-169-207-050745-
/O.NEW.KFFC.FF.W.0041.220905T0142Z-220905T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
942 PM EDT Sun Sep 4 2022

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Bibb County in central Georgia...
  Southwestern Jones County in central Georgia...
  Southeastern Monroe County in central Georgia...

* Until 345 AM EDT Monday.

* At 942 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by training of thunderstorms and
           locally heavy rainfall.

  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...
  Macon, Payne, Payne City, Wesleyan, Arkwright, Lake Tobesofkee, 
  Bolingbroke, Lizella, Skipperton, Cross Keys, Rutland, Dames 
  Ferry, Middle Georgia Regional Airport, Franklinton and Plant 
  Scherer.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3285 8394 3299 8390 3309 8378 3283 8350
      3275 8356 3274 8358 3274 8359 3274 8360
      3273 8360 3270 8360 3267 8363 3267 8366
      3270 8373 3278 8385 3282 8388 3282 8389
      3285 8389

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
664 
WGUS72 KFFC 050644
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
244 AM EDT Mon Sep 5 2022

GAC021-169-207-050654-
/O.CAN.KFFC.FF.W.0041.000000T0000Z-220905T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bibb GA-Jones GA-Monroe GA-
244 AM EDT Mon Sep 5 2022

...FLASH FLOOD WARNING IS CANCELLED FOR BIBB, SOUTHWESTERN JONES AND 
SOUTHEASTERN MONROE COUNTIES...

Flood waters have receded and the heavy rain has ended. Flash 
flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

LAT...LON 3285 8394 3299 8390 3309 8378 3283 8350
      3275 8356 3274 8358 3274 8359 3274 8360
      3273 8360 3270 8360 3267 8363 3267 8366
      3270 8373 3278 8385 3282 8388 3282 8389
      3285 8389

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 9:09 PM EDTRiver Flood WarningFFCFloyd17 hr
Sep 4, 9:30 PM EDTAreal Flood WarningFFCChattooga, Floyd, Walker12 hr
Sep 4, 10:35 PM EDTFlash Flood WarningFFCHenry5 hr
Sep 5, 9:44 AM EDTAreal Flood WarningFFCChattooga, Floyd, Gordon, Walker5 hr
Sep 5, 4:59 PM EDTSpecial Weather StatementFFCOglethorpe46 min

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.