Alert archive / Alabama / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 115, NWS Birmingham, AL

August 16, 2024Cherokee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Aug 16, 2024, 5:33 PM CDT for Cherokee County, Alabama. It was in force for 57 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 16, 2024, 5:33 PM CDT (22:33 UTC)
Expired: Aug 16, 2024, 6:30 PM CDT
In force: 57 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Cherokee County, AL

The radar

The Northeast Alabama radar (KHTX), 95 km from the middle of the area, began a volume at 22:33 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, 10.6 hours before the alert went out and 136 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: 4 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 44 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 16, 3:50 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Aug 16, 3:50 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Aug 16, 4:52 PM CDT, 41 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
452 PM CDT Fri Aug 16 2024

ALZ011>015-017>050-180100-
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-
452 PM CDT Fri Aug 16 2024

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

.DAY ONE...Outlook through Tonight.

There is a Marginal Risk (1 out of 5) of severe storms this
afternoon and evening, mainly near and north of Interstate 20.
Threats include damaging winds up to 60 mph.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

There is a Marginal Risk (1 out of 5) of severe storms on Saturday
afternoon and evening, with the threat area near and north of I-20.
Threats include damaging winds up to 60 mph.

On Sunday there is a Slight Risk (2 out of 5) of severe storms on
Sunday afternoon and evening. The main threat area will be near the
I-85 and US 80 corridor. All other locations will be under a
Marginal Risk (1 out of 5). Threats include damaging winds up to 60
mph.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may become
necessary Friday, Saturday, and Sunday.

In the hours before

Special weather statement, Aug 16, 4:20 PM CDT, 1 hour 13 minutes before

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Special weather statement, Aug 16, 4:25 PM CDT, 1 hour 8 minutes before

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Special weather statement, Aug 16, 4:52 PM CDT, 41 minutes before

Special Weather Statement
National Weather Service Birmingham AL
452 PM CDT Fri Aug 16 2024

ALZ024-162215-
Jefferson AL-
452 PM CDT Fri Aug 16 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN JEFFERSON COUNTY
THROUGH 515 PM CDT...

At 452 PM CDT, Doppler radar was tracking a strong thunderstorm near
Concord, or 7 miles west of Hueytown, moving southeast at 15 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Southwestern Birmingham, Bessemer, Hueytown, Fairfield, Pleasant
Grove, Midfield, Brighton, Lipscomb, Sylvan Springs, North Johns,
Splash Adventure, Concord, McCalla, Promenade Tannehill, Dolomite,
McAdory, and Birmingport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3343 8685 3326 8706 3328 8707 3328 8709
      3329 8709 3329 8711 3347 8723 3359 8710
TIME...MOT...LOC 2152Z 320DEG 11KT 3347 8711

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

40/Sizemore

Special weather statement, Aug 16, 4:55 PM CDT, 38 minutes before

Special Weather Statement
National Weather Service Birmingham AL
455 PM CDT Fri Aug 16 2024

ALZ023-032>034-162230-
Hale AL-Bibb AL-Perry AL-Tuscaloosa AL-
455 PM CDT Fri Aug 16 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN TUSCALOOSA...NORTH
CENTRAL PERRY...NORTHEASTERN HALE AND SOUTHWESTERN BIBB COUNTIES
THROUGH 530 PM CDT...

At 455 PM CDT, Doppler radar was tracking a strong thunderstorm near
Low Gap, or 10 miles southeast of Tuscaloosa, moving southeast at 15
mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Southeastern Tuscaloosa, Holt, Brookwood, Coaling, Vance, Heiberger,
Lake Wildwood, Low Gap, Mertz, Mercedes Benz Of Alabama, Deerlick
Creek Campgrounds, Cottondale, Peterson, Hagler, Pearson, Fleetwood,
Camp Horne B.S.A., Phipps, Duncanville, and Wateroak.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3296 8760 3326 8745 3326 8718 3297 8730
      3281 8725 3269 8733
TIME...MOT...LOC 2155Z 299DEG 13KT 3306 8746

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

40/Sizemore

Special weather statement, Aug 16, 5:18 PM CDT, 15 minutes before

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Special weather statement, Aug 16, 5:27 PM CDT, 6 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 16, 1:22 PM CDT	Heat Advisory	BMX	Autauga, Chambers, Chilton, Coosa, Elmore, Lee and 6 more	32 hr
Aug 16, 2:47 PM CDT	Special Weather Statement	BMX	Pickens	28 min
Aug 16, 3:05 PM CDT	Special Weather Statement	BMX	Greene	25 min
Aug 16, 3:32 PM CDT	Special Weather Statement	BMX	Sumter	28 min
Aug 16, 3:49 PM CDT	Special Weather Statement	BMX	Pickens	26 min
Aug 16, 4:18 PM CDT	Special Weather Statement	BMX	Tuscaloosa	27 min
Aug 16, 4:20 PM CDT	Special Weather Statement	BMX	Pickens	25 min
Aug 16, 4:25 PM CDT	Special Weather Statement	BMX	Hale	35 min
Aug 16, 4:52 PM CDT	Special Weather Statement	BMX	Jefferson	23 min
Aug 16, 4:55 PM CDT	Special Weather Statement	BMX	Bibb	35 min
Aug 16, 5:18 PM CDT	Special Weather Statement	BMX	Jefferson	27 min
Aug 16, 5:27 PM CDT	Special Weather Statement	BMX	Bibb	33 min
Aug 16, 5:34 PM CDT	Severe Thunderstorm Warning	BMX	Bibb	30 min
Aug 16, 5:39 PM CDT	Special Weather Statement	BMX	Marengo	36 min
Aug 16, 6:03 PM CDT	Special Weather Statement	BMX	Shelby	27 min
Aug 16, 6:28 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	42 min
Aug 16, 6:31 PM CDT	Special Weather Statement	BMX	Chilton, Shelby	29 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.