Alert archive / Alabama / Areal Flood Advisories in 2021
Areal Flood Advisory 64, NWS Birmingham, AL
NWS Birmingham, AL issued this areal flood advisory at Jun 29, 2021, 5:01 AM CDT for Clay County, Talladega County, Alabama. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 29, 2021, 5:01 AM CDT (10:01 UTC)
- Expired
- Jun 29, 2021, 8:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Clay County, AL, Talladega County, AL
The radar
The Birmingham radar (KBMX), 72 km from the middle of the area, began a volume at 10:01 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 10.0 hours before the alert went out and 141 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
- 466 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1446 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jun 29, 2:54 AM CDT, 2 hours 7 minutes earlier.
Area forecast discussion, Jun 29, 2:54 AM CDT, 2 hours 7 minutes before
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</html>Hazardous weather outlook, Jun 29, 3:10 AM CDT, 1 hour 51 minutes before
Hazardous Weather Outlook National Weather Service Birmingham AL 310 AM CDT Tue Jun 29 2021 ALZ011>015-017>050-301115- 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- 310 AM CDT Tue Jun 29 2021 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...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Activation of storm spotters and emergency management is not expected at this time.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 3:10 AM CDT | Areal Flood Advisory | BMX | Chambers, Clay, Randolph | 3 hr |
| Jun 29, 10:59 AM CDT | Special Weather Statement | BMX | Marion | 46 min |
Nearby
Areal Flood Advisories in Alabama, 2021Every areal flood advisory 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.