Alert archive / Georgia / Flash Flood Warnings in 2021

Flash Flood Warning 11, NWS Tallahassee, FL

April 24, 20217 counties in Georgia

NWS Tallahassee, FL issued this flash flood warning at Apr 24, 2021, 8:26 PM EDT for 7 counties in Georgia. It was in force for 3 hr. 7 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
Apr 24, 2021, 8:26 PM EDT (00:26 UTC)
Expired
Apr 24, 2021, 11:30 PM EDT
In force
3 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Ben Hill County, GA, Colquitt County, GA, Irwin County, GA, Mitchell County, GA, Tift County, GA, Turner County, GA, Worth County, GA

The radar

The Moody AFB radar (KVAX), 82 km from the middle of the area, began a volume at 00:28 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
Apr 24, 9:25 PM EDTFLASH FLOOD2 E Chula, GAREPORT FROM MPING: STREET/ROAD FLOODING; STREET/ROAD CLOSED; VEHICLES STRANDED.
Apr 24, 9:30 PM EDTHEAVY RAIN 4.762 Wsw Irwinville, GAMESONET STATION IVLG1 2.4 SW IRWINVILLE, 24 HOUR TOTAL.
Apr 24, 9:40 PM EDTFLASH FLOODLester, GAHIGHWAYS 112 AND 93 HAVE 1-2 MILE STRETCHES THAT ARE UNDERWATER.
Apr 24, 9:48 PM EDTHEAVY RAIN 6.742 E Chula, GAMESONET STATION FW8427 CHULA, 24 HOUR TOTAL.
Apr 24, 10:09 PM EDTFLASH FLOOD2 Sse Chula, GAWATER ACROSS EAST END OF RIGDON AULTMAN AT 41 NORTH.
Apr 24, 10:10 PM EDTFLASH FLOOD1 Se Ty Ty, GAWATER OVER THE ROAD AT LOWER TYTY RD AND DORSEY RD.
Apr 24, 10:10 PM EDTFLASH FLOOD1 Sse Phillipsburg, GAWATER OVER THE ROAD AT UNION RD AND JORDAN ROAD.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.4 hours before the alert went out and 146 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, Tallahassee Rgnl, FL at 00:00Z on 2021-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2012 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2021-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 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
2012 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
697 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
374 m²/s²
Significant tornado parameter
4.7
Supercell composite
19.4

Open this sounding in Storm Lab

The text

As transmitted.

499 
WGUS52 KTAE 250026
FFWTAE
GAC017-071-155-205-277-287-321-250330-
/O.NEW.KTAE.FF.W.0011.210425T0026Z-210425T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
826 PM EDT Sat Apr 24 2021

The National Weather Service in Tallahassee has issued a

* Flash Flood Warning for...
  Southeastern Ben Hill County in south central Georgia...
  Northwestern Colquitt County in south central Georgia...
  Irwin County in south central Georgia...
  Tift County in south central Georgia...
  Southeastern Turner County in south central Georgia...
  Southern Worth County in south central Georgia...
  East Central Mitchell County in southwestern Georgia...

* Until 1130 PM EDT.

* At 826 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen in the last 2 Hours. 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...
  Tifton, Ocilla, Sylvester, Fitzgerald, Poulan, Doerun, Ty Ty, 
  Phillipsburg, Unionville, Mystic, Sumner, Sale City, Chula, 
  Sunsweet, Hillsdale, Waterloo, Tift Airport, Harding and Inaha.

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.

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

&&

LAT...LON 3124 8403 3135 8411 3168 8351 3177 8300
      3161 8305 3161 8306 3156 8306

FLASH FLOOD...RADAR INDICATED

$$

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 8:01 PM EDTSevere Thunderstorm WarningTAEBaker, Calhoun, Clay, Dougherty, Early, Randolph and 1 more29 min
Apr 24, 8:05 PM EDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Colquitt, Irwin, Tift, Worth40 min
Apr 24, 8:06 PM EDTSevere Thunderstorm WarningTAEClay, Early39 min
Apr 24, 8:10 PM EDTTornado WarningTAEBerrien, Tift, Worth35 min
Apr 24, 8:30 PM EDTSevere Thunderstorm WarningTAECalhoun, Dougherty, Lee, Terrell, Worth45 min
Apr 24, 8:37 PM EDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Colquitt, Cook, Irwin, Tift and 1 more68 min
Apr 24, 8:37 PM EDTSevere Thunderstorm WarningTAEBaker, Calhoun, Clay, Dougherty, Early, Randolph and 1 more39 min
Apr 24, 8:48 PM EDTTornado WarningTAEBerrien, Irwin12 min
Apr 24, 9:21 PM EDTSevere Thunderstorm WarningTAEBerrien, Brooks, Colquitt, Cook, Lanier, Lowndes and 1 more54 min
Apr 24, 9:29 PM EDTSpecial Weather StatementTAEBaker, Dougherty, Early, Miller, Mitchell, Turner and 1 more46 min
Apr 24, 9:55 PM EDTTornado WarningTAEBerrien, Cook, Lanier, Lowndes35 min
Apr 24, 10:15 PM EDTSpecial Weather StatementTAEBaker, Berrien, Colquitt, Irwin, Miller, Mitchell and 2 more75 min
Apr 24, 10:16 PM EDTSpecial Weather StatementTAEBrooks, Thomas44 min
Apr 24, 10:30 PM EDTSpecial Weather StatementTAELanier, Lowndes30 min
Apr 24, 10:39 PM EDTSevere Thunderstorm WarningTAELanier, Lowndes51 min
Apr 24, 10:58 PM EDTSpecial Weather StatementTAEBrooks, Lowndes47 min
Apr 24, 11:24 PM EDTSpecial Weather StatementTAEBerrien, Colquitt, Cook, Lanier, Thomas51 min
Apr 25, 10:00 AM EDTRiver Flood WarningTAEGrady, Thomas58 hr
Apr 25, 10:21 AM EDTRiver Flood WarningTAEBrooks, Lowndes3 days

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.