Alert archive / Georgia / Flash Flood Warnings in 2019

Flash Flood Warning 19, NWS Atlanta, GA

June 12, 2019Montgomery County, Telfair County, Wheeler County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 12, 2019, 4:20 PM EDT for Montgomery County, Telfair County, Wheeler County, Georgia. It was in force for 6 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
Jun 12, 2019, 4:20 PM EDT (20:20 UTC)
Expired
Jun 12, 2019, 10:15 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Montgomery County, GA, Telfair County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 101 km from the middle of the area, began a volume at 20:22 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
Jun 12, 5:27 PM EDTFLASH FLOOD2 Sw Lumber City, GAREPORT OF FLOODING IN THE ROAD ON GA HWY 117 ABOUT 1.5 MILE FROM LUMBER CITY HEADED TOWARD JACKSONVILLE.
Jun 12, 5:43 PM EDTFLASH FLOODLumber City, GAREPORT OF FLOODING IN THE ROADWAY OF MAIN STREET IN LUMBER CITY.

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

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.3 hours before the alert went out and 187 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, Jacksonville, FL at 12:00Z on 2019-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1760 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, Jacksonville, FL at 12:00Z on 2019-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
1760 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

375 
WGUS52 KFFC 122020
FFWFFC
GAC209-271-309-130215-
/O.NEW.KFFC.FF.W.0019.190612T2020Z-190613T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
420 PM EDT Wed Jun 12 2019

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Telfair County in central Georgia...
  Southern Wheeler County in central Georgia...
  Southwestern Montgomery County in central Georgia...

* Until 1015 PM EDT.

* At 419 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...
  McRae, Mount Vernon, Helena, Lumber City, Glenwood, Uvalda, Ailey,
  Scotland, Alston, Jacksonville, Towns, Horse Creek Wma, Spring
  Hill, China Hill, Jordan, Charlotteville and Workmore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3178 8303 3181 8311 3196 8314 3198 8311
      3216 8271 3223 8251 3207 8247 3197 8248
      3196 8250 3195 8248 3195 8249 3196 8255
      3192 8263 3192 8268 3190 8269 3186 8276
      3185 8279 3184 8278 3182 8284 3178 8287

$$
1 follow-up statement
176 
WGUS72 KFFC 130211
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
1011 PM EDT Wed Jun 12 2019

GAC209-271-309-130220-
/O.EXP.KFFC.FF.W.0019.000000T0000Z-190613T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Telfair GA-Wheeler GA-Montgomery GA-
1011 PM EDT Wed Jun 12 2019

...THE FLASH FLOOD WARNING FOR TELFAIR...SOUTHERN WHEELER AND
SOUTHWESTERN MONTGOMERY COUNTIES WILL EXPIRE AT 1015 PM EDT...

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

LAT...LON 3178 8303 3181 8311 3196 8314 3198 8311
      3216 8271 3223 8251 3207 8247 3197 8248
      3196 8250 3195 8248 3195 8249 3196 8255
      3192 8263 3192 8268 3190 8269 3186 8276
      3185 8279 3184 8278 3182 8284 3178 8287

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 10:06 PM EDTSpecial Weather StatementFFCForsyth39 min
Jun 11, 10:20 PM EDTFlash Flood WarningFFCForsyth6 hr
Jun 11, 10:25 PM EDTSpecial Weather StatementFFCDeKalb50 min
Jun 11, 10:54 PM EDTFlash Flood WarningFFCDeKalb6 hr
Jun 11, 11:28 PM EDTSpecial Weather StatementFFCClayton47 min
Jun 12, 3:49 AM EDTFlash Flood WatchFFCDodge, Emanuel, Johnson, Laurens, Montgomery, Telfair and 3 more16 hr
Jun 12, 4:35 AM EDTRiver Flood WarningFFCForsyth7 hr
Jun 12, 3:56 PM EDTSpecial Weather StatementFFCTelfair, Wheeler34 min
Jun 12, 4:40 PM EDTSpecial Weather StatementFFCMontgomery, Telfair, Toombs, Wheeler20 min
Jun 12, 5:30 PM EDTFlash Flood WarningFFCToombs5 hr
Jun 12, 7:19 PM EDTSpecial Weather StatementFFCChattooga26 min
Jun 12, 7:43 PM EDTSpecial Weather StatementFFCChattooga32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.