Alert archive / Alabama / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 98, NWS Birmingham, AL

July 15, 2024Calhoun County, St. Clair County, Talladega County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 15, 2024, 5:29 PM CDT for Calhoun County, St. Clair County, Talladega County, Alabama. It was in force for 31 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: Jul 15, 2024, 5:29 PM CDT (22:29 UTC)
Expired: Jul 15, 2024, 6:00 PM CDT
In force: 31 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Calhoun County, AL, St. Clair County, AL, Talladega County, AL

The radar

The Birmingham radar (KBMX), 80 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 151 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: 925 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1424 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 1 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 Jul 15, 2:55 PM CDT, 2 hours 34 minutes earlier.

Area forecast discussion, Jul 15, 2:55 PM CDT, 2 hours 34 minutes before

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Hazardous weather outlook, Jul 15, 3:48 AM CDT, 13 hours 41 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
348 AM CDT Mon Jul 15 2024

ALZ011>015-017>050-161200-
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-
348 AM CDT Mon Jul 15 2024

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

.DAY ONE...Outlook through Tonight.

No hazardous weather is expected at this time.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jul 15, 4:21 PM CDT, 1 hour 8 minutes before

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Special weather statement, Jul 15, 4:42 PM CDT, 47 minutes before

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Special weather statement, Jul 15, 4:45 PM CDT, 44 minutes before

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Special weather statement, Jul 15, 5:11 PM CDT, 18 minutes before

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Special weather statement, Jul 15, 5:14 PM CDT, 15 minutes before

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Special weather statement, Jul 15, 5:24 PM CDT, 5 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
Jul 15, 2:55 AM CDT	Heat Advisory	BMX	Autauga, Barbour, Bullock, Dallas, Elmore, Greene and 9 more	42 hr
Jul 15, 1:17 PM CDT	Heat Advisory	BMX	Bibb, Blount, Chilton, Coosa, Fayette, Jefferson and 9 more	32 hr
Jul 15, 2:24 PM CDT	Special Weather Statement	BMX	Tuscaloosa	51 min
Jul 15, 3:53 PM CDT	Special Weather Statement	BMX	Bibb, Chilton, Shelby	52 min
Jul 15, 4:03 PM CDT	Special Weather Statement	BMX	Randolph	27 min
Jul 15, 4:12 PM CDT	Special Weather Statement	BMX	Hale	33 min
Jul 15, 4:18 PM CDT	Special Weather Statement	BMX	Sumter	57 min
Jul 15, 4:21 PM CDT	Special Weather Statement	BMX	Dallas, Perry	54 min
Jul 15, 4:42 PM CDT	Special Weather Statement	BMX	Cherokee	63 min
Jul 15, 4:45 PM CDT	Special Weather Statement	BMX	Chilton, Shelby, Talladega	75 min
Jul 15, 5:11 PM CDT	Special Weather Statement	BMX	Autauga, Dallas	79 min
Jul 15, 5:14 PM CDT	Special Weather Statement	BMX	Marengo	76 min
Jul 15, 5:24 PM CDT	Special Weather Statement	BMX	Clay, Coosa, Talladega	51 min
Jul 15, 5:45 PM CDT	Special Weather Statement	BMX	Calhoun	45 min
Jul 15, 5:58 PM CDT	Special Weather Statement	BMX	Lowndes	32 min
Jul 15, 6:18 PM CDT	Special Weather Statement	BMX	Coosa	42 min
Jul 15, 6:29 PM CDT	Special Weather Statement	BMX	Calhoun	46 min
Jul 15, 6:34 PM CDT	Special Weather Statement	BMX	Montgomery	41 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2024 Every severe thunderstorm warning in 2024

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.