Alert archive / Alabama / Flash Flood Warnings in 2021
Flash Flood Warning 49, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Sep 18, 2021, 2:53 PM CDT for Tuscaloosa County, Alabama. It was in force for 112 min. 3 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 18, 2021, 2:53 PM CDT (19:53 UTC)
- Expired
- Sep 18, 2021, 4:45 PM CDT
- In force
- 112 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Tuscaloosa County, AL
The radar
The Birmingham radar (KBMX), 78 km from the middle of the area, began a volume at 19:56 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 18, 4:00 PM CDT | FLASH FLOOD | Bryant-Denny Stadium, AL | WATER 2-3 FEET DEEP ON 14TH AVE. |
| Sep 18, 4:30 PM CDT | FLASH FLOOD | 1 Sse Tuscaloosa, AL | *** 1 FATAL *** CORRECTS PREVIOUS FLASH FLOOD REPORT FROM 1 SSE TUSCALOOSA. A VEHICLE WAS SWEPT AWAY BY FLOOD WATERS ON GREENSBORO AVE NEAR 24TH STREET. DRIVER WAS FOUND LATER DECEASED. |
| Sep 18, 4:30 PM CDT | FLASH FLOOD | 1 Sse Tuscaloosa, AL | A VEHICLE WAS SWEPT AWAY BY FLOOD WATERS ON GREENSBORO AVE NEAR 24TH ST. STATUS OF THE DRIVER IS UNKNOWN AT THIS TIME. |
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, 7.9 hours before the alert went out and 77 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
- 1167 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 453 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
703
WGUS54 KBMX 181953
FFWBMX
ALC125-182145-
/O.NEW.KBMX.FF.W.0049.210918T1953Z-210918T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
253 PM CDT Sat Sep 18 2021
The National Weather Service in Birmingham has issued a
* Flash Flood Warning for...
Southwestern Tuscaloosa County in west central Alabama...
* Until 445 PM CDT.
* At 253 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 4 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is ongoing.
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...
Tuscaloosa, Northport, Holt, Coker, Tuscaloosa Amphitheater,
Bryant Denny Stadium, Tuscaloosa Regional Airport, University
Mall, McFarland Mall, Deerlick Creek Campgrounds, Binion Creek
Landing, Lake Lurleen State Park, Shelton State Community College,
Sexton Bend, Lake Tuscaloosa Dam, Lake Tuscaloosa, University Of
Alabama Quad, Lake Harris, Highway 69 Bridge and Oliver Lock And
Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3334 8772 3341 8757 3343 8745 3342 8736
3331 8738 3311 8751 3312 8765 3324 8774
3331 8771 3331 8772
FLASH FLOOD...RADAR INDICATED
$$2 follow-up statements
453
WGUS74 KBMX 182045
FFSBMX
Flash Flood Statement
National Weather Service Birmingham AL
345 PM CDT Sat Sep 18 2021
ALC125-182145-
/O.CON.KBMX.FF.W.0049.000000T0000Z-210918T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tuscaloosa AL-
345 PM CDT Sat Sep 18 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM CDT THIS
AFTERNOON FOR SOUTHWESTERN TUSCALOOSA COUNTY...
At 345 PM CDT, Emergency Management reported thunderstorms producing
heavy rain in City of Tuscaloosa. Between 3 and 4 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is already occurring in portions
of the City of Tuscaloosa and Northport.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency Management reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Tuscaloosa, Northport, Holt, Coker, Tuscaloosa Amphitheater,
Bryant Denny Stadium, Tuscaloosa Regional Airport, University
Mall, McFarland Mall, Lake Lurleen State Park, Oliver Lock And
Dam, University Of Alabama Quad, Stillman College, Flatwoods, Lake
Tuscaloosa Dam, Sexton Bend, Palmore Park, Lake Tuscaloosa, Lake
Harris and Taylorville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3336 8761 3334 8749 3328 8745 3325 8746
3318 8747 3316 8748 3312 8764 3314 8766
3320 8763 3324 8768 3332 8770
FLASH FLOOD...OBSERVED
$$
40/Sizemore102
WGUS74 KBMX 182143
FFSBMX
Flash Flood Statement
National Weather Service Birmingham AL
443 PM CDT Sat Sep 18 2021
ALC125-182153-
/O.EXP.KBMX.FF.W.0049.000000T0000Z-210918T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tuscaloosa AL-
443 PM CDT Sat Sep 18 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 445 PM CDT THIS AFTERNOON FOR
SOUTHWESTERN TUSCALOOSA COUNTY...
The heavy rain has ended. Flash Flooding is no longer expected to
pose an immediate threat. However, many roads could still be
flooded. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 700 PM CDT Sunday for
portions of central Alabama, east central Alabama, northeast
Alabama, northwest Alabama and west central Alabama.
LAT...LON 3336 8761 3334 8749 3328 8745 3325 8746
3318 8747 3316 8748 3312 8764 3314 8766
3320 8763 3324 8768 3332 8770
$$
40/SizemoreThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 11:00 PM CDT | Areal Flood Advisory | BMX | Tallapoosa | 2 hr |
| Sep 18, 8:46 AM CDT | Areal Flood Advisory | BMX | Jefferson, Shelby | 3 hr |
| Sep 18, 9:40 AM CDT | Flash Flood Warning | BMX | Jefferson, Shelby | 3 hr |
| Sep 18, 12:29 PM CDT | Areal Flood Advisory | BMX | Tallapoosa | 5 hr |
| Sep 18, 12:44 PM CDT | Areal Flood Advisory | BMX | Tuscaloosa | 11 min |
| Sep 18, 12:55 PM CDT | Flash Flood Warning | BMX | Tuscaloosa | 110 min |
| Sep 18, 1:10 PM CDT | Flash Flood Watch | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 54 hr |
| Sep 18, 1:33 PM CDT | Areal Flood Advisory | BMX | Etowah | 3 hr |
| Sep 18, 1:52 PM CDT | Areal Flood Advisory | BMX | Bibb, Dallas, Hale, Marengo, Perry | 3 hr |
| Sep 18, 3:11 PM CDT | Areal Flood Advisory | BMX | Elmore, Montgomery | 4 hr |
| Sep 18, 3:25 PM CDT | Areal Flood Advisory | BMX | Chambers, Lee | 3 hr |
| Sep 18, 4:21 PM CDT | Areal Flood Advisory | BMX | Bullock, Montgomery, Pike | 3 hr |
| Sep 18, 5:29 PM CDT | Areal Flood Advisory | BMX | Russell | 108 min |
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.