Alert archive / Alabama / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 145, NWS Birmingham, AL

August 19, 2019Macon County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Aug 19, 2019, 5:12 PM CDT for Macon County, Alabama. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 19, 2019, 5:12 PM CDT (22:12 UTC)
Expired: Aug 19, 2019, 5:45 PM CDT
In force: 33 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Macon County, AL

The radar

The Maxwell AFB radar (KMXX), 19 km from the middle of the area, began a volume at 22:12 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 12:00Z, 10.2 hours before the alert went out and 156 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: 1022 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 848 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: -55 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 19, 3:48 PM CDT, 1 hour 24 minutes earlier.

Area forecast discussion, Aug 19, 3:48 PM CDT, 1 hour 24 minutes before

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Hazardous weather outlook, Aug 19, 4:30 AM CDT, 12 hours 42 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
430 AM CDT Mon Aug 19 2019

ALZ011>015-017>050-201230-
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-
430 AM CDT Mon Aug 19 2019

This Hazardous Weather Outlook is for the counties served by the
National Weather Service office in Birmingham.

.DAY ONE...Outlook through Tonight.

Hot temperatures along with increasing moisture will allow many
afternoon heat indices to reach above 100 degrees. Some in the west
half of Central Alabama could see values go above 105.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

With continue hot and humid conditions, a few areas may see
afternoon heat indices get close to 105 again on Tuesday.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management is not
expected at this time.

08

In the hours before

Special weather statement, Aug 19, 4:38 PM CDT, 34 minutes before

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Special weather statement, Aug 19, 4:53 PM CDT, 19 minutes before

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Special weather statement, Aug 19, 5:04 PM CDT, 8 minutes before

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Special weather statement, Aug 19, 5:06 PM CDT, 6 minutes before

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Local storm report, Aug 19, 5:09 PM CDT, 3 minutes before

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Special weather statement, Aug 19, 5:09 PM CDT, 3 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
Aug 19, 4:48 AM CDT	Heat Advisory	BMX	Autauga, Bibb, Chilton, Dallas, Fayette, Greene and 11 more	16 hr
Aug 19, 1:11 PM CDT	Special Weather Statement	BMX	Perry	34 min
Aug 19, 1:36 PM CDT	Severe Thunderstorm Warning	BMX	Perry	24 min
Aug 19, 1:47 PM CDT	Special Weather Statement	BMX	Hale	28 min
Aug 19, 1:48 PM CDT	Special Weather Statement	BMX	Bibb	27 min
Aug 19, 2:17 PM CDT	Special Weather Statement	BMX	Perry	28 min
Aug 19, 2:20 PM CDT	Special Weather Statement	BMX	Bibb	25 min
Aug 19, 2:34 PM CDT	Special Weather Statement	BMX	Dallas	26 min
Aug 19, 2:37 PM CDT	Special Weather Statement	BMX	Greene	23 min
Aug 19, 2:48 PM CDT	Special Weather Statement	BMX	Cherokee	42 min
Aug 19, 3:06 PM CDT	Special Weather Statement	BMX	Fayette	24 min
Aug 19, 3:30 PM CDT	Special Weather Statement	BMX	Cherokee	45 min
Aug 19, 3:38 PM CDT	Special Weather Statement	BMX	Jefferson	37 min
Aug 19, 3:42 PM CDT	Special Weather Statement	BMX	Greene	33 min
Aug 19, 3:46 PM CDT	Special Weather Statement	BMX	Fayette	29 min
Aug 19, 3:59 PM CDT	Special Weather Statement	BMX	Cherokee	31 min
Aug 19, 4:38 PM CDT	Special Weather Statement	BMX	St. Clair	22 min
Aug 19, 4:53 PM CDT	Special Weather Statement	BMX	Macon	37 min
Aug 19, 5:04 PM CDT	Special Weather Statement	BMX	Montgomery	26 min
Aug 19, 5:06 PM CDT	Special Weather Statement	BMX	Cleburne	39 min
Aug 19, 5:09 PM CDT	Special Weather Statement	BMX	Dallas	36 min
Aug 19, 5:24 PM CDT	Severe Thunderstorm Warning	BMX	Montgomery	18 min
Aug 19, 5:27 PM CDT	Special Weather Statement	BMX	Talladega	48 min
Aug 19, 5:30 PM CDT	Special Weather Statement	BMX	St. Clair	15 min
Aug 19, 5:39 PM CDT	Special Weather Statement	BMX	Randolph	51 min
Aug 19, 5:57 PM CDT	Areal Flood Advisory	BMX	Montgomery	2 hr
Aug 19, 6:10 PM CDT	Special Weather Statement	BMX	Russell	35 min
Aug 19, 6:19 PM CDT	Special Weather Statement	BMX	Lowndes	26 min
Aug 19, 6:31 PM CDT	Special Weather Statement	BMX	Jefferson	29 min
Aug 19, 6:49 PM CDT	Special Weather Statement	BMX	Jefferson	26 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2019 Every severe thunderstorm warning in 2019

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.