Alert archive / Alabama / Flash Flood Warnings in 2024
Flash Flood Warning 14, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Jul 28, 2024, 4:44 PM CDT for Jefferson County, Shelby 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 counties it named.
The facts
- Issued
- Jul 28, 2024, 4:44 PM CDT (21:44 UTC)
- Expired
- Jul 28, 2024, 7:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jefferson County, AL, Shelby County, AL
The radar
The Birmingham radar (KBMX), 26 km from the middle of the area, began a volume at 21:47 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, 9.7 hours before the alert went out and 25 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
- 1018 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 527 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Birmingham, AL wrote its last area forecast discussion before this flash flood warning went out at Jul 28, 2:38 PM CDT, 2 hours 6 minutes earlier.
Area forecast discussion, Jul 28, 2:38 PM CDT, 2 hours 6 minutes before
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Hazardous Weather Outlook National Weather Service Birmingham AL 336 AM CDT Sun Jul 28 2024 ALZ011>015-017>050-291145- Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega- Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa- Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon- Bullock-Lee-Russell-Pike-Barbour- 336 AM CDT Sun Jul 28 2024 This Hazardous Weather Outlook is for the counties served by the National Weather Service office in Birmingham. .DAY ONE...Outlook through Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Activation of storm spotters and emergency management is not expected at this time.
In the hours before
Special weather statement, Jul 28, 2:37 PM CDT, 2 hours 7 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 7:28 PM CDT | Special Weather Statement | BMX | Lamar | 17 min |
| Jul 27, 8:17 PM CDT | Areal Flood Advisory | BMX | Lamar | 118 min |
| Jul 27, 8:32 PM CDT | Flash Flood Warning | BMX | Lamar | 3 hr |
| Jul 28, 8:37 AM CDT | Areal Flood Advisory | BMX | Marion | 5 hr |
| Jul 28, 9:34 AM CDT | Special Weather Statement | BMX | Winston | 41 min |
| Jul 28, 10:13 AM CDT | Special Weather Statement | BMX | Winston | 32 min |
| Jul 28, 11:53 AM CDT | Areal Flood Advisory | BMX | Fayette, Walker, Winston | 3 hr |
| Jul 28, 12:37 PM CDT | Flash Flood Warning | BMX | Lamar, Marion | 4 hr |
| Jul 28, 1:33 PM CDT | Areal Flood Advisory | BMX | Marion, Winston | 3 hr |
| Jul 28, 2:37 PM CDT | Special Weather Statement | BMX | Walker | 38 min |
| Jul 28, 2:40 PM CDT | Areal Flood Advisory | BMX | Shelby | 3 hr |
| Jul 28, 2:42 PM CDT | Special Weather Statement | BMX | Fayette | 33 min |
| Jul 28, 3:02 PM CDT | Areal Flood Advisory | BMX | Blount, Etowah, St. Clair | 3 hr |
| Jul 28, 3:32 PM CDT | Areal Flood Advisory | BMX | Jefferson, St. Clair, Shelby | 3 hr |
| Jul 28, 4:14 PM CDT | Special Weather Statement | BMX | Jefferson | 31 min |
| Jul 28, 4:22 PM CDT | Areal Flood Advisory | BMX | Bibb, Jefferson, Tuscaloosa | 113 min |
Nearby
Flash Flood Warnings in Alabama, 2024Every flash flood warning in 2024
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.