Alert archive / Alabama / Flash Flood Warnings in 2021
Flash Flood Warning 36, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Sep 18, 2021, 5:44 PM CDT for Henry County, Houston County, Alabama; Jackson County, Florida; Early County, Georgia. It was in force for 3 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
- Sep 18, 2021, 5:44 PM CDT (22:44 UTC)
- Expired
- Sep 18, 2021, 8:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Henry County, AL, Houston County, AL, Jackson County, FL, Early County, GA
The radar
The Ft Rucker radar (KEOX), 35 km from the middle of the area, began a volume at 22:45 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 12:00Z, 10.7 hours before the alert went out and 131 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
- 886 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
882
WGUS52 KTAE 182244
FFWTAE
ALC067-069-FLC063-GAC099-190145-
/O.NEW.KTAE.FF.W.0036.210918T2244Z-210919T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
544 PM CDT Sat Sep 18 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Southeastern Henry County in southeastern Alabama...
Eastern Houston County in southeastern Alabama...
Jackson County in the panhandle of Florida...
Northwestern Early County in southwestern Georgia...
* Until 845 PM CDT /945 PM EDT/.
* At 544 PM CDT /644 PM EDT/, 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...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...
Ashford, Columbia, Malone, Gordon, Haleburg, Sigma, Pearce,
Pleasant Plains, Farley Nuclear Plant, Barber, Grandberry
Crossroads, Pansey, Balkum, Miller, Tumbleton, Barnes,
Hardwickburg, Hayes, Crosby and Willis Crossroads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3141 8528 3156 8518 3154 8504 3153 8505
3152 8505 3152 8504 3146 8503 3139 8509
3131 8509 3129 8509 3101 8508 3094 8512
3100 8520
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
206
WGUS72 KTAE 190141
FFSTAE
Flash Flood Statement
National Weather Service Tallahassee FL
841 PM CDT Sat Sep 18 2021
ALC067-069-FLC063-GAC099-190151-
/O.EXP.KTAE.FF.W.0036.000000T0000Z-210919T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Henry AL-Houston AL-Jackson FL-Early GA-
841 PM CDT Sat Sep 18 2021 /941 PM EDT Sat Sep 18 2021/
...FLASH FLOOD WARNING WILL EXPIRE AT 845 PM CDT/945 PM EDT/ THIS
EVENING FOR SOUTHEASTERN HENRY, EASTERN HOUSTON, JACKSON AND
NORTHWESTERN EARLY COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3141 8528 3156 8518 3154 8504 3153 8505
3152 8505 3152 8504 3146 8503 3139 8509
3131 8509 3129 8509 3101 8508 3094 8512
3100 8520
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 3:38 PM CDT | Areal Flood Advisory | TAE | Henry | 4 hr |
| Sep 18, 4:20 PM CDT | Areal Flood Advisory | TAE | Houston | 4 hr |
| Sep 18, 4:39 PM CDT | Areal Flood Advisory | TAE | Dale, Henry, Houston | 4 hr |
| Sep 18, 4:46 PM CDT | Special Weather Statement | TAE | Houston | 44 min |
| Sep 18, 5:36 PM CDT | Areal Flood Advisory | TAE | Geneva | 3 hr |
| Sep 18, 5:47 PM CDT | Areal Flood Advisory | TAE | Houston | 3 hr |
| Sep 18, 6:26 PM CDT | Areal Flood Advisory | TAE | Dale, Geneva, Houston | 3 hr |
| Sep 18, 6:49 PM CDT | Flash Flood Warning | TAE | Geneva | 3 hr |
| Sep 18, 10:59 AM CDT | Rip Current Statement | TAE | Bay, Walton | 11 hr |
| Sep 18, 1:28 PM CDT | Special Marine Warning | TAE | 47 min | |
| Sep 18, 2:51 PM CDT | Special Weather Statement | TAE | Washington | 24 min |
| Sep 18, 3:09 PM CDT | Special Weather Statement | TAE | Jefferson | 51 min |
| Sep 18, 3:18 PM CDT | Areal Flood Advisory | TAE | Bay, Calhoun, Jackson, Washington | 4 hr |
| Sep 18, 6:54 PM CDT | Areal Flood Advisory | TAE | Walton | 2 hr |
| Sep 18, 5:30 PM CDT | Areal Flood Advisory | TAE | Thomas | 3 hr |
| Sep 18, 5:37 PM CDT | Areal Flood Advisory | TAE | Baker, Decatur, Grady, Miller, Mitchell, Thomas | 3 hr |
| Sep 18, 5:42 PM CDT | Flash Flood Warning | TAE | Thomas | 3 hr |
| Sep 18, 6:25 PM CDT | Areal Flood Advisory | TAE | Colquitt, Grady, Mitchell, Thomas | 3 hr |
| Sep 18, 6:47 PM CDT | Areal Flood Advisory | TAE | Baker, Colquitt, Early, Miller, Mitchell | 3 hr |
Nearby
Flash Flood Warnings in Alabama, 2021Flash Flood Warnings in Florida, 2021Flash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.