Alert archive / Alabama / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 154, NWS Birmingham, AL

July 21, 2022Cleburne County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 21, 2022, 11:41 AM CDT for Cleburne County, Alabama. It was in force for 34 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 21, 2022, 11:41 AM CDT (16:41 UTC)
Expired: Jul 21, 2022, 12:15 PM CDT
In force: 34 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Cleburne County, AL

The radar

The Atlanta radar (KFFC), 95 km from the middle of the area, began a volume at 16:41 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, 4.7 hours before the alert went out and 100 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: 1567 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 61 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 21, 6:36 AM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Jul 21, 6:36 AM CDT, 5 hours 5 minutes before

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Hazardous weather outlook, Jul 21, 4:20 AM CDT, 7 hours 21 minutes before

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In the hours before

Special weather statement, Jul 21, 11:34 AM CDT, 7 minutes before

Special Weather Statement
National Weather Service Birmingham AL
1134 AM CDT Thu Jul 21 2022

ALZ021-211715-
Cleburne AL-
1134 AM CDT Thu Jul 21 2022

...A strong thunderstorm will impact portions of southeastern
Cleburne County through 1215 PM CDT...

At 1134 AM CDT, Doppler radar was tracking a strong thunderstorm near
Abernathy, or 12 miles east of Heflin, moving southeast at 5 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Ranburne, Abernathy, Trickem, I 20 Welcome Center and Micaville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

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 3350 8535 3349 8536 3350 8547 3349 8558
      3372 8537 3371 8535 3348 8531
TIME...MOT...LOC 1634Z 304DEG 6KT 3361 8537

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

56

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 21, 4:11 AM CDT	Excessive Heat Warning	BMX	Fayette, Greene, Hale, Lamar, Marengo, Marion and 5 more	15 hr
Jul 21, 11:34 AM CDT	Special Weather Statement	BMX	Cleburne	41 min
Jul 21, 11:57 AM CDT	Special Weather Statement	BMX	Randolph	48 min
Jul 21, 12:13 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne, Randolph	47 min
Jul 21, 12:59 PM CDT	Special Weather Statement	BMX	Randolph	46 min
Jul 21, 1:39 PM CDT	Areal Flood Advisory	BMX	Cleburne, Randolph	3 hr
Jul 21, 1:57 PM CDT	Special Weather Statement	BMX	Chambers	63 min
Jul 21, 2:06 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	54 min
Jul 21, 2:40 PM CDT	Special Weather Statement	BMX	Randolph	50 min
Jul 21, 2:43 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	28 min
Jul 21, 2:53 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee	67 min
Jul 21, 3:05 PM CDT	Special Weather Statement	BMX	Talladega	40 min
Jul 21, 3:05 PM CDT	Special Weather Statement	BMX	Cleburne	25 min
Jul 21, 3:34 PM CDT	Special Weather Statement	BMX	Russell	41 min
Jul 21, 3:42 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Cleburne, Randolph	48 min
Jul 21, 3:43 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	47 min
Jul 21, 3:45 PM CDT	Special Weather Statement	BMX	Talladega	45 min
Jul 21, 3:48 PM CDT	Special Weather Statement	BMX	Calhoun, Etowah, St. Clair	57 min
Jul 21, 3:59 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Randolph, Talladega	61 min
Jul 21, 4:02 PM CDT	Special Weather Statement	BMX	Jefferson, Pickens, Tuscaloosa, Walker	58 min
Jul 21, 4:05 PM CDT	Special Weather Statement	BMX	Lee	25 min
Jul 21, 4:23 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah, St. Clair, Talladega	67 min
Jul 21, 4:29 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson, St. Clair, Walker	61 min
Jul 21, 4:33 PM CDT	Special Weather Statement	BMX	Macon, Russell	57 min
Jul 21, 4:34 PM CDT	Special Weather Statement	BMX	Perry	56 min
Jul 21, 4:42 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Greene, Hale, Pickens, Tuscaloosa	63 min
Jul 21, 4:47 PM CDT	Areal Flood Advisory	BMX	Jefferson	21 min
Jul 21, 4:59 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Russell	61 min
Jul 21, 5:08 PM CDT	Flash Flood Warning	BMX	Jefferson	3 hr
Jul 21, 5:20 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Calhoun, Clay, Cleburne, Jefferson, St. Clair and 3 more	70 min
Jul 21, 5:46 PM CDT	Special Weather Statement	BMX	Hale	44 min
Jul 21, 5:54 PM CDT	Special Weather Statement	BMX	Macon	36 min
Jul 21, 6:24 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Clay, Coosa, Shelby, Talladega	66 min
Jul 21, 6:30 PM CDT	Special Weather Statement	BMX	Montgomery	45 min
Jul 21, 6:34 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Hale, Perry	41 min
Jul 21, 6:40 PM CDT	Special Weather Statement	BMX	Montgomery	35 min
Jul 21, 6:52 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Elmore, Perry, Tallapoosa	68 min
Jul 21, 6:53 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Elmore, Perry, Tallapoosa	67 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2022 Every severe thunderstorm warning in 2022

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.