Alert archive / Georgia / Flash Flood Warnings in 2021

Flash Flood Warning 2, NWS Tallahassee, FL

January 2, 20215 counties in Georgia

NWS Tallahassee, FL issued this flash flood warning at Jan 2, 2021, 9:13 AM EST for 5 counties in Georgia. It was in force for 6 hr. 1 report 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
Jan 2, 2021, 9:13 AM EST (14:13 UTC)
Expired
Jan 2, 2021, 2:43 PM EST
In force
6 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Berrien County, GA, Brooks County, GA, Lanier County, GA, Lowndes County, GA, Thomas County, GA

The radar

The Moody AFB radar (KVAX), 22 km from the middle of the area, began a volume at 14:13 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
Jan 2, 2:42 PM ESTHEAVY RAIN 4.034 Ssw Kinderlou, GA4.03 INCHES OF RAIN RECORDED SO FAR TODAY.

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 12:00Z, 2.2 hours before the alert went out and 117 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 12:00Z on 2021-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 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, Tallahassee Rgnl, FL at 12:00Z on 2021-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 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
57 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

311 
WGUS52 KTAE 021413
FFWTAE
GAC019-027-173-185-275-021745-
/O.NEW.KTAE.FF.W.0002.210102T1413Z-210102T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
913 AM EST Sat Jan 2 2021

The National Weather Service in Tallahassee has issued a

* Flash Flood Warning for...
  Southeastern Berrien County in south central Georgia...
  Southern Brooks County in south central Georgia...
  Lanier County in south central Georgia...
  Lowndes County in south central Georgia...
  Southeastern Thomas County in south central Georgia...

* Until 1245 PM EST.

* At 913 AM EST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 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...
  Valdosta, Lake Park, Quitman, Lakeland, Hahira, Ray City, I-75 At 
  Exit 16, Moody Air Force Base, Remerton, Meigs, Dasher, I-75 At 
  Exit 22, Kinderlou, Valdosta Regional Airport, I-75 At Exit 11, 
  Blue Springs, Clyattville, Barretts, Twin Lakes and I-75 At Exit 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3067 8389 3103 8332 3103 8329 3105 8328
      3120 8305 3118 8305 3118 8297 3087 8297
      3085 8301 3085 8309 3080 8310 3080 8313
      3062 8314

FLASH FLOOD...RADAR INDICATED

$$

42-DVD
3 follow-up statements
642 
WGUS52 KTAE 021725
FFWTAE
GAC019-027-173-185-275-022345-
/O.EXT.KTAE.FF.W.0002.000000T0000Z-210102T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
1225 PM EST Sat Jan 2 2021

The National Weather Service in Tallahassee has extended the

* Flash Flood Warning for...
  Southeastern Berrien County in south central Georgia...
  Southern Brooks County in south central Georgia...
  Lanier County in south central Georgia...
  Lowndes County in south central Georgia...
  Southeastern Thomas County in south central Georgia...

* Until 645 PM EST Saturday.

* At 1225 PM EST, Doppler radar indicated moderate to heavy rain 
  across the warned area with additional heavy rain expected to move 
  into the area this afternoon. Flash flooding is still expected to 
  develop this afternoon with this additional heavy rain.

  HAZARD...Flash flooding caused by heavy rain.

  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...
  Valdosta, Lake Park, Quitman, Lakeland, Hahira, Ray City, I-75 At 
  Exit 16, Moody Air Force Base, Remerton, Meigs, Dasher, I-75 At 
  Exit 22, Kinderlou, Valdosta Regional Airport, I-75 At Exit 11, 
  Blue Springs, Clyattville, Barretts, Twin Lakes and I-75 At Exit 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3067 8389 3103 8332 3103 8329 3105 8328
      3120 8305 3118 8305 3118 8297 3087 8297
      3085 8301 3085 8309 3080 8310 3080 8313
      3062 8314

FLASH FLOOD...RADAR INDICATED

$$

42-DVD
997 
WGUS72 KTAE 021908
FFSTAE

Flash Flood Statement
National Weather Service Tallahassee FL
208 PM EST Sat Jan 2 2021

GAC027-185-275-021918-
/O.CAN.KTAE.FF.W.0002.000000T0000Z-210102T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Brooks GA-Lowndes GA-Thomas GA-
208 PM EST Sat Jan 2 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN BROOKS, LOWNDES AND 
SOUTHEASTERN THOMAS COUNTIES...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

A Flash Flood Watch remains in effect until 100 AM EST Sunday for 
portions of Florida and Georgia.

LAT...LON 3105 8328 3120 8305 3118 8305 3118 8297
      3102 8297 3100 8303 3099 8317 3099 8318
      3103 8318 3103 8329

$$

GAC019-173-022345-
/O.CON.KTAE.FF.W.0002.000000T0000Z-210102T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Berrien GA-Lanier GA-
208 PM EST Sat Jan 2 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EST THIS 
EVENING FOR SOUTHEASTERN BERRIEN AND LANIER COUNTIES...

At 208 PM EST, Doppler radar indicated heavy rain across the warned 
area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by heavy rain.

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...
  Lakeland, Ray City, Meigs, Hansell, Teeterville and Courthouse.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3105 8328 3120 8305 3118 8305 3118 8297
      3102 8297 3100 8303 3099 8317 3099 8318
      3103 8318 3103 8329

FLASH FLOOD...RADAR INDICATED

$$

42-DVD
394 
WGUS72 KTAE 021943
FFSTAE

Flash Flood Statement
National Weather Service Tallahassee FL
243 PM EST Sat Jan 2 2021

GAC019-173-021953-
/O.CAN.KTAE.FF.W.0002.000000T0000Z-210102T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Berrien GA-Lanier GA-
243 PM EST Sat Jan 2 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN BERRIEN AND 
LANIER COUNTIES...

The heavy rain has ended temporarily but another round of heavy rain 
is possible later this afternoon into the evening. Please continue 
to heed remaining road closures.

A Flash Flood Watch remains in effect until 100 AM EST Sunday for 
portions of Florida and Georgia.

LAT...LON 3105 8328 3120 8305 3118 8305 3118 8297
      3102 8297 3100 8303 3099 8317 3099 8318
      3103 8318 3103 8329

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 8:51 AM ESTAreal Flood AdvisoryTAEBerrien, Brooks, Cook, Lanier, Lowndes, Thomas3 hr
Jan 2, 3:57 PM ESTAreal Flood AdvisoryTAEDecatur2 hr
Jan 2, 5:24 PM ESTAreal Flood AdvisoryTAEBrooks, Lowndes, Thomas3 hr
Jan 2, 6:14 PM ESTAreal Flood AdvisoryTAEBerrien, Colquitt, Cook, Irwin, Tift3 hr
Jan 2, 6:32 PM ESTAreal Flood AdvisoryTAEBen Hill3 hr

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.