Alert archive / Alabama / Frost Advisories in 2026
Frost Advisory 1, NWS Birmingham, AL
NWS Birmingham, AL issued this frost advisory at Mar 12, 2026, 10:59 AM CDT for 31 counties in Alabama. It took effect at Mar 13, 2026, 1:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Mar 12, 2026, 10:59 AM CDT (15:59 UTC)
- In effect from
- Mar 13, 2026, 1:00 AM CDT
- Expired
- Mar 13, 2026, 10:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Birmingham, AL
All 31 counties
Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lowndes County, AL, Marengo County, AL, Marion County, AL, Perry County, AL, Pickens County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL
The radar
The Birmingham radar (KBMX), 11 km from the middle of the area, began a volume at 16:04 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, 4.0 hours before the alert went out and 9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -216 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost 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 frost advisory went out at Mar 12, 5:45 AM CDT, 5 hours 14 minutes earlier.
Area forecast discussion, Mar 12, 5:45 AM CDT, 5 hours 14 minutes before
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Local storm report, Mar 12, 6:14 AM CDT, 4 hours 45 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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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 |
|---|---|---|---|---|
| Mar 11, 8:12 PM CDT | Special Weather Statement | BMX | Jefferson | 48 min |
| Mar 11, 10:16 PM CDT | Special Weather Statement | BMX | Marengo | 44 min |
| Mar 11, 10:40 PM CDT | Special Weather Statement | BMX | Perry | 50 min |
| Mar 11, 10:48 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 57 min |
| Mar 11, 11:18 PM CDT | Areal Flood Advisory | BMX | Tuscaloosa | 117 min |
| Mar 11, 11:24 PM CDT | Special Weather Statement | BMX | Autauga, Dallas | 51 min |
| Mar 11, 11:36 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton, Dallas, Perry | 42 min |
| Mar 11, 11:44 PM CDT | Areal Flood Advisory | BMX | Jefferson | 2 hr |
| Mar 11, 11:47 PM CDT | Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 19 hr |
| Mar 11, 11:53 PM CDT | Special Weather Statement | BMX | Dallas | 37 min |
| Mar 12, 12:16 AM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton, Coosa, Elmore | 44 min |
| Mar 12, 12:33 AM CDT | Special Weather Statement | BMX | Lowndes | 42 min |
| Mar 12, 12:52 AM CDT | Severe Thunderstorm Warning | BMX | Clay, Coosa, Tallapoosa | 38 min |
| Mar 12, 1:10 AM CDT | Special Weather Statement | BMX | Autauga, Elmore, Lowndes, Montgomery | 50 min |
| Mar 12, 1:25 AM CDT | Special Weather Statement | BMX | Randolph, Tallapoosa | 50 min |
| Mar 12, 1:56 AM CDT | Special Weather Statement | BMX | Elmore, Macon, Montgomery | 49 min |
| Mar 12, 2:10 AM CDT | Special Weather Statement | BMX | Chambers | 35 min |
| Mar 12, 2:29 AM CDT | Special Weather Statement | BMX | Bullock, Pike | 46 min |
| Mar 12, 2:45 AM CDT | Special Weather Statement | BMX | Bullock, Lee, Macon | 45 min |
| Mar 12, 2:57 AM CDT | Severe Thunderstorm Warning | BMX | Barbour, Bullock, Pike | 48 min |
| Mar 12, 3:03 AM CDT | Tornado Warning | BMX | Barbour, Pike | 27 min |
| Mar 12, 3:23 AM CDT | Severe Thunderstorm Warning | BMX | Barbour, Bullock, Lee, Macon, Russell | 67 min |
| Mar 12, 3:38 AM CDT | Severe Thunderstorm Warning | BMX | Barbour | 40 min |
| Mar 12, 3:40 AM CDT | Tornado Warning | BMX | Barbour | 15 min |
| Mar 12, 3:46 AM CDT | Tornado Warning | BMX | Russell | 28 min |
| Mar 12, 8:29 AM CDT | River Flood Warning | BMX | Greene, Hale, Marengo | 3 days |
Nearby
Frost Advisories in Alabama, 2026Every frost advisory in 2026
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.