Alert archive / Alabama / Flash Flood Warnings in 2017
Flash Flood Warning 24, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Jul 25, 2017, 7:34 AM CDT for Chambers County, Tallapoosa County, Alabama. 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
- Jul 25, 2017, 7:34 AM CDT (12:34 UTC)
- Expired
- Jul 25, 2017, 10:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chambers County, AL, Tallapoosa County, AL
The radar
The Maxwell AFB radar (KMXX), 32 km from the middle of the area, began a volume at 12:37 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
Birmingham, AL (KBMX), launched 12:00Z, 0.6 hours before the alert went out and 116 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
- 1124 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
239
WGUS54 KBMX 251234
FFWBMX
ALC017-123-251530-
/O.NEW.KBMX.FF.W.0024.170725T1234Z-170725T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
734 AM CDT TUE JUL 25 2017
The National Weather Service in Birmingham has issued a
* Flash Flood Warning for...
Tallapoosa County in east central Alabama...
Chambers County in east central Alabama...
* Until 1030 AM CDT
* At 732 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain continued across the warned area. Rainfall of two to
three inches have already occurred in some locations and another
one to two inches is expected during the next hour in some
areas. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Alexander City, Dadeville, Camp Hill, Lafayette, Stroud, La
Fayette, Jacksons' Gap, New Site, Red Level, Waverly, Cusseta,
Goldville, Denson, Sturkie, Abanda, Welch, Trammel Crossroads,
Ridge Grove, Buffalo and Jacksons Gap.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3275 8528 3273 8529 3273 8540 3274 8541
3273 8543 3274 8557 3273 8561 3271 8561
3271 8568 3270 8568 3272 8589 3275 8588
3275 8595 3277 8596 3275 8597 3275 8601
3305 8601 3311 8571 3311 8532 3275 8523
$$The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:56 AM CDT | Areal Flood Advisory | BMX | Chambers, Tallapoosa | 3 hr |
| Jul 25, 7:55 AM CDT | Areal Flood Advisory | BMX | Lee, Russell | 3 hr |
| Jul 25, 9:14 AM CDT | Areal Flood Advisory | BMX | Bullock, Coosa, Elmore, Macon, Montgomery | 3 hr |
| Jul 25, 9:40 AM CDT | Flash Flood Warning | BMX | Russell | 2 hr |
| Jul 25, 5:14 PM CDT | Special Weather Statement | BMX | Talladega | 31 min |
| Jul 25, 5:48 PM CDT | Special Weather Statement | BMX | Autauga | 27 min |
| Jul 25, 6:25 PM CDT | Special Weather Statement | BMX | Etowah | 35 min |
Nearby
Flash Flood Warnings in Alabama, 2017Every flash flood warning in 2017
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.