Alert archive / Alabama / Heat Advisories in 2018

Heat Advisory 4, NWS Birmingham, AL

June 27, 201827 counties in Alabama

NWS Birmingham, AL issued this heat advisory at Jun 27, 2018, 7:56 PM CDT for 27 counties in Alabama. It took effect at Jun 28, 2018, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jun 27, 2018, 7:56 PM CDT (00:56 UTC)
In effect from: Jun 28, 2018, 12:00 PM CDT
Expired: Jun 28, 2018, 7:00 PM CDT
In force: 7 hr
Issued by: NWS Birmingham, AL

All 27 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Chilton County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar 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, Russell County, AL, Shelby County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 38 km from the middle of the area, began a volume at 00:58 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, 0.9 hours before the alert went out and 234 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1360 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: -72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 27, 6:42 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jun 27, 6:42 PM CDT, 1 hour 14 minutes before

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Hazardous weather outlook, Jun 27, 7:00 PM CDT, 56 minutes before

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In the hours before

Special weather statement, Jun 27, 5:48 PM CDT, 2 hours 8 minutes before

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Local storm report, Jun 27, 6:40 PM CDT, 1 hour 16 minutes before

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Local storm report, Jun 27, 6:46 PM CDT, 1 hour 10 minutes before

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Local storm report, Jun 27, 6:54 PM CDT, 1 hour 2 minutes before

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Local storm report, Jun 27, 6:56 PM CDT, 1 hour before

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Local storm report, Jun 27, 7:34 PM CDT, 22 minutes before

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The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 12:57 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	63 min
Jun 28, 1:05 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah	70 min
Jun 28, 1:39 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, St. Clair	66 min
Jun 28, 1:50 PM CDT	Special Weather Statement	BMX	Cleburne	40 min
Jun 28, 1:54 PM CDT	Areal Flood Advisory	BMX	Cherokee, Etowah	3 hr
Jun 28, 2:00 PM CDT	Special Weather Statement	BMX	Lee	30 min
Jun 28, 2:06 PM CDT	Severe Thunderstorm Warning	BMX	Talladega	39 min
Jun 28, 2:11 PM CDT	Severe Thunderstorm Warning	BMX	Blount	49 min
Jun 28, 2:12 PM CDT	Areal Flood Advisory	BMX	Blount	2 hr
Jun 28, 2:17 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Cleburne, Randolph	43 min
Jun 28, 2:22 PM CDT	Special Weather Statement	BMX	Tallapoosa	23 min
Jun 28, 2:23 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	52 min
Jun 28, 2:29 PM CDT	Areal Flood Advisory	BMX	Calhoun, Cleburne, St. Clair, Talladega	2 hr
Jun 28, 2:29 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Randolph, Shelby, Talladega	61 min
Jun 28, 2:41 PM CDT	Special Weather Statement	BMX	Walker, Winston	64 min
Jun 28, 2:44 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Talladega	35 min
Jun 28, 2:48 PM CDT	Special Weather Statement	BMX	Elmore	27 min
Jun 28, 2:49 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Coosa, Tallapoosa	71 min
Jun 28, 2:53 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Shelby	82 min
Jun 28, 2:54 PM CDT	Special Weather Statement	BMX	Lee, Russell	36 min
Jun 28, 3:06 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Lee, Macon, Russell	24 min
Jun 28, 3:16 PM CDT	Severe Thunderstorm Warning	BMX	Walker	59 min
Jun 28, 3:25 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Chambers, Lee, Russell	35 min
Jun 28, 3:27 PM CDT	Special Weather Statement	BMX	Bibb	33 min
Jun 28, 3:30 PM CDT	Special Weather Statement	BMX	Macon	30 min
Jun 28, 3:33 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Lee, Macon, Tallapoosa	57 min
Jun 28, 3:36 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Tuscaloosa	54 min
Jun 28, 3:41 PM CDT	Special Weather Statement	BMX	Fayette, Marion	34 min
Jun 28, 3:46 PM CDT	Areal Flood Advisory	BMX	Chambers, Lee, Russell	119 min
Jun 28, 3:46 PM CDT	Special Weather Statement	BMX	Elmore, Lee, Macon	29 min
Jun 28, 3:48 PM CDT	Special Weather Statement	BMX	Barbour	27 min
Jun 28, 3:52 PM CDT	Special Weather Statement	BMX	Autauga, Bibb, Chilton, Tuscaloosa	23 min
Jun 28, 3:54 PM CDT	Special Weather Statement	BMX	Fayette, Lamar, Marion	36 min
Jun 28, 3:58 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee	32 min
Jun 28, 4:02 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Perry	58 min
Jun 28, 4:05 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Lee, Macon, Montgomery, Russell	25 min
Jun 28, 4:11 PM CDT	Special Weather Statement	BMX	Autauga, Bibb, Chilton, Dallas, Hale, Lowndes and 2 more	34 min
Jun 28, 4:12 PM CDT	Special Weather Statement	BMX	Bullock, Macon, Montgomery	33 min
Jun 28, 4:13 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Hale, Pickens, Tuscaloosa	32 min
Jun 28, 4:17 PM CDT	Special Weather Statement	BMX	Marion	28 min
Jun 28, 4:18 PM CDT	Special Weather Statement	BMX	Winston	27 min
Jun 28, 4:21 PM CDT	Special Weather Statement	BMX	Lamar, Tuscaloosa	24 min
Jun 28, 4:25 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Elmore, Lee, Macon, Montgomery and 2 more	35 min
Jun 28, 4:27 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Bibb, Chilton, Dallas, Hale, Lowndes and 3 more	33 min
Jun 28, 4:30 PM CDT	Special Weather Statement	BMX	Marion	30 min
Jun 28, 4:31 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	29 min
Jun 28, 4:38 PM CDT	Special Weather Statement	BMX	Barbour, Pike	37 min
Jun 28, 4:46 PM CDT	Special Weather Statement	BMX	Greene, Hale, Lamar, Pickens	29 min
Jun 28, 4:48 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Hale, Pickens, Tuscaloosa	27 min
Jun 28, 4:50 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Montgomery, Pike, Russell	25 min
Jun 28, 4:56 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Hale, Lowndes, Montgomery, Perry	34 min
Jun 28, 5:06 PM CDT	Special Weather Statement	BMX	Greene, Hale, Pickens	24 min
Jun 28, 5:08 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Marengo, Pickens, Sumter	37 min
Jun 28, 5:10 PM CDT	Special Weather Statement	BMX	Lamar	35 min
Jun 28, 5:13 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Pike	32 min
Jun 28, 5:37 PM CDT	Special Weather Statement	BMX	Barbour	38 min
Jun 28, 5:39 PM CDT	Special Weather Statement	BMX	Marengo, Sumter	36 min
Jun 28, 5:52 PM CDT	Special Weather Statement	BMX	Marengo, Sumter	68 min

Nearby

Heat Advisories in Alabama, 2018 Every heat advisory in 2018

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.