Alert archive / Alabama / Special Weather Statements in 2023

Special Weather Statement, NWS Birmingham, AL

August 9, 2023Marion County, Alabama

NWS Birmingham, AL issued this special weather statement at Aug 9, 2023, 3:40 PM CDT for Marion County, Alabama. It was in force for 35 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 9, 2023, 3:40 PM CDT (20:40 UTC)
Expired: Aug 9, 2023, 4:15 PM CDT
In force: 35 min
Issued by: NWS Birmingham, AL
Hail: 0.50 in
Wind: 50

County Marion County, AL

The radar

The Columbus AFB radar (KGWX), 43 km from the middle of the area, began a volume at 20:42 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, 8.7 hours before the alert went out and 169 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: 59 J/kg
Mixed-layer CIN: -282 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 105 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 9, 1:51 PM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Aug 9, 1:51 PM CDT, 1 hour 49 minutes before

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Hazardous weather outlook, Aug 9, 2:17 PM CDT, 1 hour 23 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
217 PM CDT Wed Aug 9 2023

ALZ011>015-017>050-102230-
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-
217 PM CDT Wed Aug 9 2023

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

.DAY ONE...Outlook through Tonight.

Severe thunderstorms, with damaging winds and large hail, are
possible across Central Alabama into the evening hours. Additional
severe storms are possible after midnight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Severe thunderstorms are possible across portions of Central Alabama
on Thursday. Storms will pose a threat of damaging wind gusts.

Heat indices will approach 105 degrees across southern portions of
Central Alabama through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may be needed
through and Thursday.

In the hours before

Local storm report, Aug 9, 12:32 PM CDT, 3 hours 8 minutes before

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Local storm report, Aug 9, 12:41 PM CDT, 2 hours 59 minutes before

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Special weather statement, Aug 9, 3:30 PM CDT, 10 minutes before

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Special weather statement, Aug 9, 3:40 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 9, 2:43 AM CDT	Dense Fog Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 27 more	6 hr
Aug 9, 2:43 AM CDT	Heat Advisory	BMX	Autauga, Barbour, Bibb, Bullock, Chilton, Dallas and 13 more	33 hr
Aug 9, 3:30 PM CDT	Special Weather Statement	BMX	Pike	30 min
Aug 9, 3:57 PM CDT	Special Weather Statement	BMX	Pike	48 min
Aug 9, 4:16 PM CDT	Special Weather Statement	BMX	Marion	44 min
Aug 9, 4:30 PM CDT	Severe Thunderstorm Warning	BMX	Marion	60 min
Aug 9, 4:42 PM CDT	Special Weather Statement	BMX	Bullock	48 min
Aug 9, 4:49 PM CDT	Special Weather Statement	BMX	Montgomery	41 min
Aug 9, 4:58 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Macon	30 min
Aug 9, 5:02 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Walker	43 min
Aug 9, 5:15 PM CDT	Severe Thunderstorm Warning	BMX	Winston	60 min
Aug 9, 5:17 PM CDT	Special Weather Statement	BMX	Marion	43 min
Aug 9, 5:26 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson	49 min
Aug 9, 5:28 PM CDT	Special Weather Statement	BMX	DeKalb	32 min
Aug 9, 5:49 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Coosa, Tallapoosa	43 min
Aug 9, 5:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BMX	St. Clair	70 min
Aug 9, 5:56 PM CDT	Areal Flood Advisory	BMX	Blount	3 hr
Aug 9, 6:01 PM CDT	Special Weather Statement	BMX	Marion	44 min
Aug 9, 6:03 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	42 min
Aug 9, 6:12 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson	22 min
Aug 9, 6:17 PM CDT	Special Weather Statement	BMX	Walker	28 min
Aug 9, 6:20 PM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	55 min
Aug 9, 6:30 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Randolph, Tallapoosa	34 min
Aug 9, 6:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BMX	St. Clair, Talladega	72 min
Aug 9, 6:37 PM CDT	Special Weather Statement	BMX	Fayette	38 min
Aug 9, 6:38 PM CDT	Severe Thunderstorm Warning	BMX	Coosa, Elmore, Tallapoosa	31 min
Aug 9, 6:43 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Tuscaloosa, Walker	77 min
Aug 9, 6:49 PM CDT	Areal Flood Advisory	BMX	St. Clair	3 hr
Aug 9, 6:51 PM CDT	Areal Flood Advisory	BMX	Marion, Walker, Winston	3 hr
Aug 9, 6:57 PM CDT	Special Weather Statement	BMX	Walker	48 min
Aug 9, 6:58 PM CDT	Special Weather Statement	BMX	Blount	47 min

Nearby

Special Weather Statements in Alabama, 2023 Every special weather statement in 2023

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.