Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 29, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Aug 16, 2021, 9:32 PM EDT for Early County, Miller County, Georgia; Houston County, Alabama. It was in force for 4 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
- Aug 16, 2021, 9:32 PM EDT (01:32 UTC)
- Expired
- Aug 17, 2021, 1:30 AM EDT
- In force
- 4 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Houston County, AL, Early County, GA, Miller County, GA
The radar
The Ft Rucker radar (KEOX), 48 km from the middle of the area, began a volume at 01:35 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
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.5 hours before the alert went out and 115 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.
- Mixed-layer CAPE
- 624 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 457 m²/s²
- 0-3 km storm-relative helicity
- 592 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 11.1
The text
As transmitted.
037
WGUS52 KTAE 170132
FFWTAE
ALC069-GAC099-201-170530-
/O.NEW.KTAE.FF.W.0029.210817T0132Z-210817T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
832 PM CDT Mon Aug 16 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Eastern Houston County in southeastern Alabama...
Southwestern Early County in southwestern Georgia...
Western Miller County in southwestern Georgia...
* Until 1230 AM CDT /130 AM EDT/.
* At 832 PM CDT /932 PM EDT/, Doppler radar indicated heavy rain
across the warned area. Between 2 and 3 inches of rain have fallen
in the last 3 Hours. Additional rainfall amounts of 1 to 3 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
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...
Blakely, Ashford, Columbia, Centerville, Gordon, Jakin, Cedar
Springs, Sawhatchee, Howards Mill, Hilton, Farley Nuclear Plant,
Rock Hill, Saffold, Killarney, Mayhaw, Pansey, Cuba, Lucy and
Chattahoochee SP.
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 3113 8528 3131 8510 3131 8509 3136 8509
3141 8508 3144 8506 3136 8484 3107 8489
3108 8503 3105 8501 3100 8500 3100 8503
3111 8513
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 8:32 PM EDT | Areal Flood Advisory | TAE | Coffee, Dale, Geneva, Henry, Houston | 4 hr |
Nearby
Flash Flood Warnings in Georgia, 2021Flash Flood Warnings in Alabama, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.