Alert archive / Alabama / Heat Advisories in 2016

Heat Advisory 2, NWS Birmingham, AL

June 17, 201630 counties in Alabama

NWS Birmingham, AL issued this heat advisory at Jun 17, 2016, 4:03 AM CDT for 30 counties in Alabama. It took effect at Jun 17, 2016, 1:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 17, 2016, 4:03 AM CDT (09:03 UTC)
In effect from: Jun 17, 2016, 1:00 PM CDT
Expired: Jun 17, 2016, 9:00 PM CDT
In force: 8 hr
Issued by: NWS Birmingham, AL

All 30 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Chambers 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, 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, Russell County, AL, Shelby County, AL, Sumter County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 36 km from the middle of the area, began a volume at 09:01 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, 9.1 hours before the alert went out and 221 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: 1198 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1681 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 29 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 17, 3:46 AM CDT, 17 minutes earlier.

Area forecast discussion, Jun 17, 3:46 AM CDT, 17 minutes before

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Hazardous weather outlook, Jun 16, 11:59 PM CDT, 4 hours 4 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 17, 12:48 PM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	57 min
Jun 17, 1:30 PM CDT	Severe Thunderstorm Warning	BMX	Lamar	56 min
Jun 17, 1:32 PM CDT	Severe Thunderstorm Warning	BMX	Fayette	43 min
Jun 17, 1:44 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Marion, Walker, Winston	76 min
Jun 17, 1:56 PM CDT	Special Weather Statement	BMX	Pickens	64 min
Jun 17, 2:11 PM CDT	Severe Thunderstorm Warning	BMX	Pickens	79 min
Jun 17, 2:24 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Calhoun, Etowah, St. Clair	66 min
Jun 17, 2:26 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne	79 min
Jun 17, 2:29 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	50 min
Jun 17, 2:57 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Hale, Shelby, Tuscaloosa	78 min
Jun 17, 2:59 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Randolph, St. Clair, Talladega	76 min
Jun 17, 3:12 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Sumter	78 min
Jun 17, 3:36 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Hale, Perry	69 min
Jun 17, 3:58 PM CDT	Severe Thunderstorm Warning	BMX	Coosa	77 min
Jun 17, 4:00 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	75 min
Jun 17, 4:09 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Marengo	81 min
Jun 17, 4:21 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Randolph	39 min
Jun 17, 4:26 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Tallapoosa	79 min
Jun 17, 4:39 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	81 min
Jun 17, 4:49 PM CDT	Severe Thunderstorm Warning	BMX	Lee	56 min
Jun 17, 5:14 PM CDT	Severe Thunderstorm Warning	BMX	Macon, Russell	63 min
Jun 17, 5:46 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Pike	74 min
Jun 17, 6:05 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	85 min

Nearby

Heat Advisories in Alabama, 2016 Every heat advisory in 2016

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.