Alert archive / Alabama / Special Weather Statements in 2026

Special Weather Statement, NWS Birmingham, AL

August 21, 2026Shelby County, Alabama

NWS Birmingham, AL issued this special weather statement at Aug 21, 2026, 6:13 PM CDT for Shelby County, Alabama. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 21, 2026, 6:13 PM CDT (23:13 UTC)
Expired: Aug 21, 2026, 6:45 PM CDT
In force: 32 min
Issued by: NWS Birmingham, AL
Hail: 0.00 in
Wind: 50

County Shelby County, AL

The radar

The Birmingham radar (KBMX), 13 km from the middle of the area, began a volume at 23:17 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, 11.2 hours before the alert went out and 14 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: 1150 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1011 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 18 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

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 21, 12:57 PM CDT, 5 hours 16 minutes earlier.

Area forecast discussion, Aug 21, 12:57 PM CDT, 5 hours 16 minutes before

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In the hours before

Special weather statement, Aug 21, 4:03 PM CDT, 2 hours 10 minutes before

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Special weather statement, Aug 21, 4:29 PM CDT, 1 hour 44 minutes before

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Special weather statement, Aug 21, 5:35 PM CDT, 38 minutes before

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Special weather statement, Aug 21, 5:38 PM CDT, 35 minutes before

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Special weather statement, Aug 21, 6:04 PM CDT, 9 minutes before

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Special weather statement, Aug 21, 6:13 PM CDT, 0 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 20, 9:40 PM CDT	Heat Advisory	BMX	Fayette, Jefferson, Lamar, Marion, Shelby, Walker	23 hr
Aug 20, 10:50 PM CDT	Special Weather Statement	BMX	Walker	25 min
Aug 20, 11:02 PM CDT	Special Weather Statement	BMX	Etowah	28 min
Aug 20, 11:18 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	27 min
Aug 20, 11:24 PM CDT	Special Weather Statement	BMX	Blount	51 min
Aug 20, 11:31 PM CDT	Special Weather Statement	BMX	Cherokee	29 min
Aug 20, 11:42 PM CDT	Special Weather Statement	BMX	Blount	33 min
Aug 20, 11:45 PM CDT	Special Weather Statement	BMX	Etowah	15 min
Aug 20, 11:50 PM CDT	Special Weather Statement	BMX	Cherokee	40 min
Aug 21, 12:07 AM CDT	Special Weather Statement	BMX	DeKalb	38 min
Aug 21, 12:18 AM CDT	Areal Flood Advisory	BMX	Blount	3 hr
Aug 21, 12:51 AM CDT	Special Weather Statement	BMX	Blount	39 min
Aug 21, 1:55 AM CDT	Flash Flood Warning	BMX	Blount	3 hr
Aug 21, 3:29 AM CDT	Special Weather Statement	BMX	St. Clair	31 min
Aug 21, 4:03 AM CDT	Areal Flood Advisory	BMX	St. Clair	117 min
Aug 21, 4:15 AM CDT	Special Weather Statement	BMX	Talladega	30 min
Aug 21, 4:21 AM CDT	Special Weather Statement	BMX	Sumter	24 min
Aug 21, 4:27 AM CDT	Special Weather Statement	BMX	Greene	33 min
Aug 21, 4:42 AM CDT	Special Weather Statement	BMX	Sumter	33 min
Aug 21, 4:52 AM CDT	Special Weather Statement	BMX	Marion	38 min
Aug 21, 5:13 AM CDT	Special Weather Statement	BMX	Winston	32 min
Aug 21, 5:55 AM CDT	Special Weather Statement	BMX	Coosa	35 min
Aug 21, 6:11 AM CDT	Special Weather Statement	BMX	Clay	34 min
Aug 21, 6:18 AM CDT	Special Weather Statement	BMX	Chilton	42 min
Aug 21, 7:08 AM CDT	Special Weather Statement	BMX	Autauga	37 min
Aug 21, 1:04 PM CDT	Special Weather Statement	BMX	Barbour	26 min
Aug 21, 1:40 PM CDT	Special Weather Statement	BMX	Barbour	35 min
Aug 21, 1:44 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	46 min
Aug 21, 2:02 PM CDT	Special Weather Statement	BMX	Cleburne	28 min
Aug 21, 2:20 PM CDT	Special Weather Statement	BMX	Shelby	25 min
Aug 21, 2:37 PM CDT	Special Weather Statement	BMX	Cleburne	38 min
Aug 21, 2:46 PM CDT	Areal Flood Advisory	BMX	Cleburne	119 min
Aug 21, 3:00 PM CDT	Special Weather Statement	BMX	Randolph	30 min
Aug 21, 3:48 PM CDT	Special Weather Statement	BMX	Barbour	27 min
Aug 21, 4:03 PM CDT	Special Weather Statement	BMX	Pike	27 min
Aug 21, 4:29 PM CDT	Special Weather Statement	BMX	Pike	31 min
Aug 21, 5:35 PM CDT	Special Weather Statement	BMX	Sumter	25 min
Aug 21, 5:38 PM CDT	Special Weather Statement	BMX	Shelby	37 min
Aug 21, 6:04 PM CDT	Special Weather Statement	BMX	Sumter	26 min
Aug 21, 6:19 PM CDT	Special Weather Statement	BMX	Marengo	26 min
Aug 21, 6:44 PM CDT	Special Weather Statement	BMX	Marengo	46 min

Nearby

Special Weather Statements in Alabama, 2026 Every special weather statement 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.