Alert archive / Alabama / Heat Advisories in 2012
Heat Advisory 5, NWS Birmingham, AL
NWS Birmingham, AL issued this heat advisory at Jul 3, 2012, 10:57 AM CDT for 39 counties in Alabama. It took effect at Jul 3, 2012, 2:00 PM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 3, 2012, 10:57 AM CDT (15:57 UTC)
- In effect from
- Jul 3, 2012, 2:00 PM CDT
- Expired
- Jul 3, 2012, 7:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Birmingham, AL
All 39 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock 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, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell 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), 22 km from the middle of the area, began a volume at 16:02 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 23 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
- 1650 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1329 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat 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 heat advisory went out at Jul 3, 10:52 AM CDT, 5 minutes earlier.
Area forecast discussion, Jul 3, 10:52 AM CDT, 5 minutes before
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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 3, 1:08 PM CDT | Special Weather Statement | BMX | Chambers | 37 min |
| Jul 3, 1:29 PM CDT | Special Weather Statement | BMX | Russell | 46 min |
| Jul 3, 1:40 PM CDT | Special Weather Statement | BMX | Chambers, Tallapoosa | 50 min |
| Jul 3, 2:04 PM CDT | Special Weather Statement | BMX | Randolph | 41 min |
| Jul 3, 2:11 PM CDT | Special Weather Statement | BMX | Russell | 49 min |
| Jul 3, 2:25 PM CDT | Severe Thunderstorm Warning | BMX | Lee, Macon, Russell | 35 min |
| Jul 3, 2:54 PM CDT | Special Weather Statement | BMX | Bullock, Macon | 51 min |
| Jul 3, 3:00 PM CDT | Special Weather Statement | BMX | Lee | 45 min |
| Jul 3, 3:18 PM CDT | Special Weather Statement | BMX | Barbour | 42 min |
| Jul 3, 3:37 PM CDT | Special Weather Statement | BMX | Macon | 53 min |
| Jul 3, 3:40 PM CDT | Special Weather Statement | BMX | Bullock | 50 min |
| Jul 3, 3:43 PM CDT | Severe Thunderstorm Warning | BMX | Elmore | 20 min |
| Jul 3, 3:56 PM CDT | Special Weather Statement | BMX | Barbour | 49 min |
| Jul 3, 4:13 PM CDT | Special Weather Statement | BMX | Pike | 47 min |
| Jul 3, 4:33 PM CDT | Special Weather Statement | BMX | Lowndes | 42 min |
| Jul 3, 4:37 PM CDT | Special Weather Statement | BMX | Clay | 38 min |
| Jul 3, 5:15 PM CDT | Severe Thunderstorm Warning | BMX | Lowndes | 30 min |
| Jul 3, 5:59 PM CDT | Special Weather Statement | BMX | Lowndes | 46 min |
| Jul 3, 6:27 PM CDT | Special Weather Statement | BMX | Coosa | 48 min |
| Jul 3, 6:29 PM CDT | Special Weather Statement | BMX | Autauga | 46 min |
Nearby
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.