Alert archive / Georgia / Flash Flood Warnings in 2019

Flash Flood Warning 16, NWS Atlanta, GA

June 9, 2019Jasper County, Morgan County, Newton County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 9, 2019, 12:20 PM EDT for Jasper County, Morgan County, Newton County, Georgia. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 9, 2019, 12:20 PM EDT (16:20 UTC)
Expired
Jun 9, 2019, 5:38 PM EDT
In force
5 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Jasper County, GA, Morgan County, GA, Newton County, GA

The radar

The Robins AFB radar (KJGX), 95 km from the middle of the area, began a volume at 16:24 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, 4.3 hours before the alert went out and 100 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 2019-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 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, Peachtre/Fal Fld, GA at 12:00Z on 2019-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
157 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
685 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

750 
WGUS52 KFFC 091620
FFWFFC
GAC159-211-217-092215-
/O.NEW.KFFC.FF.W.0016.190609T1620Z-190609T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1220 PM EDT Sun Jun 9 2019

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Morgan County in north central Georgia...
  Northern Jasper County in central Georgia...
  Southeastern Newton County in north central Georgia...

* Until 615 PM EDT.

* At 1220 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Madison, Rutledge, Newborn, Mansfield, Buckhead, Farrar, Eudora,
  Parks Mill, Swords, Godfrey and Hard Labor Creek State Park.

LAT...LON 3346 8341 3344 8352 3343 8353 3337 8384
      3366 8363 3364 8337 3361 8335 3360 8335
      3360 8334 3356 8331 3355 8330 3348 8328

$$
1 follow-up statement
455 
WGUS72 KFFC 092138
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
538 PM EDT Sun Jun 9 2019

GAC159-211-217-092146-
/O.CAN.KFFC.FF.W.0016.000000T0000Z-190609T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morgan GA-Jasper GA-Newton GA-
538 PM EDT Sun Jun 9 2019

...THE FLASH FLOOD WARNING FOR MORGAN...NORTHERN JASPER AND
SOUTHEASTERN NEWTON COUNTIES IS CANCELLED...

The heavy rain has ended and flood waters will have begun to recede. 
Creeks and streams are likely to still be running high for the next 
several hours. Please continue to heed any remaining road closures.

LAT...LON 3346 8341 3344 8352 3343 8353 3337 8384
      3366 8363 3364 8337 3361 8335 3360 8335
      3360 8334 3356 8331 3355 8330 3348 8328

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:13 PM EDTRiver Flood WarningFFCClayton, Fayette, Spalding27 hr
Jun 8, 8:44 PM EDTRiver Flood WarningFFCCoweta, Fayette6 hr
Jun 9, 12:14 AM EDTRiver Flood WarningFFCClayton, Fayette, Spalding25 hr
Jun 9, 12:39 AM EDTSpecial Weather StatementFFCHaralson66 min
Jun 9, 7:34 AM EDTSpecial Weather StatementFFCWebster41 min
Jun 9, 9:31 AM EDTSpecial Weather StatementFFCPike, Spalding44 min
Jun 9, 9:38 AM EDTRiver Flood WarningFFCButts, Henry, Newton10 hr
Jun 9, 10:15 AM EDTSpecial Weather StatementFFCPike30 min
Jun 9, 11:45 AM EDTSpecial Weather StatementFFCJasper, Newton30 min
Jun 9, 11:59 AM EDTRiver Flood WarningFFCFayette, Spalding37 hr
Jun 9, 12:14 PM EDTSpecial Weather StatementFFCMorgan31 min
Jun 9, 12:40 PM EDTSpecial Weather StatementFFCMontgomery, Treutlen, Wheeler50 min
Jun 9, 1:29 PM EDTSpecial Weather StatementFFCEmanuel, Toombs31 min
Jun 9, 1:54 PM EDTRiver Flood WarningFFCBibb, Houston, Jones, Monroe, Twiggs48 hr
Jun 9, 2:00 PM EDTSpecial Weather StatementFFCEmanuel, Jefferson45 min
Jun 9, 4:20 PM EDTSpecial Weather StatementFFCTalbot, Taylor40 min
Jun 9, 4:45 PM EDTSpecial Weather StatementFFCStewart, Webster30 min
Jun 9, 4:55 PM EDTSpecial Weather StatementFFCTaylor65 min
Jun 9, 5:11 PM EDTSpecial Weather StatementFFCCarroll64 min
Jun 9, 5:19 PM EDTAreal Flood WarningFFCChattahoochee, Macon, Marion, Schley, Stewart, Taylor and 1 more4 hr
Jun 9, 6:33 PM EDTSpecial Weather StatementFFCHarris, Meriwether, Muscogee42 min

Nearby

Flash Flood Warnings in Georgia, 2019Every flash flood warning in 2019

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.