Alert archive / Alabama / Flash Flood Warnings in 2021
Flash Flood Warning 50, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Sep 19, 2021, 6:08 PM CDT for Tallapoosa County, Alabama. It was in force for 2 hr. 4 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
- Sep 19, 2021, 6:08 PM CDT (23:08 UTC)
- Expired
- Sep 19, 2021, 8:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Tallapoosa County, AL
The radar
The Maxwell AFB radar (KMXX), 43 km from the middle of the area, began a volume at 23:07 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 19, 6:26 PM CDT | FLASH FLOOD | 1 Ene Alexander City, AL | WATER COVERING THE ROADWAY AT CENTRAL AVE, AND AT 12TH AVE N. |
| Sep 19, 6:26 PM CDT | FLASH FLOOD | 1 Nnw Russell Field Air, AL | CORRECTS PREVIOUS FLASH FLOOD REPORT FROM 1 NNW RUSSELL FIELD AIRPORT. WATER COVERING THE ROADWAY ON ELKAHATCHEE RD, AND AT CENTER ST. |
| Sep 19, 6:26 PM CDT | FLASH FLOOD | 1 Nnw Russell Field Air, AL | WATER COVERING THE ROADWAY ON ELKAHATCHEE RD, AND AT CENTER ST. ROADS ARE STILL PASSABLE AT THIS TIME. |
| Sep 19, 6:30 PM CDT | FLASH FLOOD | 1 Ne Central Alabama Co, AL | THE BASEMENT OF A HOME WAS FLOODED ON 10TH ST. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.1 hours before the alert went out and 83 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
- 326 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
940
WGUS54 KBMX 192308
FFWBMX
ALC123-200215-
/O.NEW.KBMX.FF.W.0050.210919T2308Z-210920T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
608 PM CDT Sun Sep 19 2021
The National Weather Service in Birmingham has issued a
* Flash Flood Warning for...
Northwestern Tallapoosa County in east central Alabama...
* Until 915 PM CDT.
* At 608 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 1
hour. 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 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...
Alexander City, Dadeville, Jacksons' Gap, Northern Lake Martin,
Wind Creek State Park, Eastern Lake Martin and Dare Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3297 8586 3289 8579 3280 8584 3280 8596
3285 8601 3286 8601 3287 8601 3288 8601
3289 8601 3291 8601 3292 8601 3295 8601
3300 8595
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
40/Sizemore2 follow-up statements
055
WGUS74 KBMX 200050
FFSBMX
Flash Flood Statement
National Weather Service Birmingham AL
750 PM CDT Sun Sep 19 2021
ALC123-200215-
/O.CON.KBMX.FF.W.0050.000000T0000Z-210920T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tallapoosa AL-
750 PM CDT Sun Sep 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT THIS
EVENING FOR NORTHWESTERN TALLAPOOSA COUNTY...
At 750 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 4 inches of rain have
fallen. Additional rainfall amounts up to 0.5 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Alexander City, Jacksons' Gap, Northern Lake Martin, Wind Creek
State Park and Eastern Lake Martin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3297 8586 3288 8580 3283 8583 3283 8596
3288 8596 3292 8601 3294 8601 3295 8601
3300 8595
FLASH FLOOD...RADAR INDICATED
$$
40/Sizemore697
WGUS74 KBMX 200115
FFSBMX
Flash Flood Statement
National Weather Service Birmingham AL
815 PM CDT Sun Sep 19 2021
ALC123-200125-
/O.CAN.KBMX.FF.W.0050.000000T0000Z-210920T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tallapoosa AL-
815 PM CDT Sun Sep 19 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN TALLAPOOSA
COUNTY...
The heavy rain has ended. Flash Flooding is no longer expected to
pose an immediate threat. Please continue to heed any remaining road
closures.
A Flash Flood Watch remains in effect until 700 PM CDT Monday.
LAT...LON 3297 8586 3288 8580 3283 8583 3283 8596
3288 8596 3292 8601 3294 8601 3295 8601
3300 8595
$$
40/SizemoreThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 3:30 PM CDT | Areal Flood Advisory | BMX | Marion, Winston | 2 hr |
| Sep 19, 5:43 PM CDT | Areal Flood Advisory | BMX | Coosa, Tallapoosa | 3 hr |
Nearby
Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.