Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Birmingham, AL

May 3, 2021Talladega County, Alabama

NWS Birmingham, AL issued this special weather statement at May 3, 2021, 5:39 AM CDT for Talladega County, Alabama. It was in force for 36 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: May 3, 2021, 5:39 AM CDT (10:39 UTC)
Expired: May 3, 2021, 6:15 AM CDT
In force: 36 min
Issued by: NWS Birmingham, AL

County Talladega County, AL

The radar

The Birmingham radar (KBMX), 91 km from the middle of the area, began a volume at 10:41 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

Birmingham, AL (KBMX), launched 00:00Z, 10.7 hours before the alert went out and 91 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: 83 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1096 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 265 m²/s²
0-3 km storm-relative helicity: 343 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

289 
WWUS84 KBMX 031039
SPSBMX

Special Weather Statement
National Weather Service Birmingham AL
539 AM CDT Mon May 3 2021
 
ALZ021-027-028-031115-
Clay AL-Talladega AL-Cleburne AL-
539 AM CDT Mon May 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN TALLADEGA...
SOUTHWESTERN CLEBURNE AND NORTHERN CLAY COUNTIES UNTIL 615 AM CDT...

At 539 AM CDT, Doppler radar was tracking a strong thunderstorm near
Waldo, or 7 miles south of Talladega, moving northeast at 55 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Oxford, Talladega, Munford, Waldo, Anniston Regional Airport, Delta,
Mount Cheaha, Camp Mac, Chandler Springs, Ironaton, Lake Chinnabee
and Gunthertown.

LAT...LON 3340 8565 3323 8613 3336 8622 3359 8586
      3359 8580 3356 8580 3355 8576
TIME...MOT...LOC 1039Z 240DEG 50KT 3332 8609 

$$

25/Owen

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:41 AM CDT	Special Weather Statement	BMX	Cleburne	19 min
May 3, 8:18 AM CDT	Special Weather Statement	BMX	Cleburne	27 min
May 3, 12:13 PM CDT	Special Weather Statement	BMX	Bullock	32 min
May 3, 12:27 PM CDT	Special Weather Statement	BMX	Barbour	33 min
May 3, 12:45 PM CDT	Special Weather Statement	BMX	Russell	45 min
May 3, 1:41 PM CDT	Special Weather Statement	BMX	Lamar	49 min
May 3, 2:24 PM CDT	Severe Thunderstorm Warning	BMX	Pickens	66 min
May 3, 2:25 PM CDT	Special Weather Statement	BMX	Chilton	35 min
May 3, 3:00 PM CDT	Special Weather Statement	BMX	Chilton, Coosa	45 min
May 3, 3:30 PM CDT	Special Weather Statement	BMX	Pickens	30 min
May 3, 3:46 PM CDT	Special Weather Statement	BMX	Talladega	44 min
May 3, 3:48 PM CDT	Special Weather Statement	BMX	Bibb	42 min
May 3, 3:53 PM CDT	Special Weather Statement	BMX	Hale	52 min
May 3, 4:21 PM CDT	Special Weather Statement	BMX	Lee	39 min
May 3, 4:25 PM CDT	Special Weather Statement	BMX	Calhoun	50 min
May 3, 4:31 PM CDT	Special Weather Statement	BMX	Bibb, Coosa	44 min
May 3, 4:49 PM CDT	Special Weather Statement	BMX	Calhoun	41 min
May 3, 5:12 PM CDT	Special Weather Statement	BMX	Coosa, Tallapoosa	48 min
May 3, 5:29 PM CDT	Special Weather Statement	BMX	Cherokee	31 min
May 3, 5:53 PM CDT	Special Weather Statement	BMX	Autauga	52 min
May 3, 5:58 PM CDT	Special Weather Statement	BMX	Tallapoosa	47 min
May 3, 6:20 PM CDT	Special Weather Statement	BMX	Lee	25 min
May 3, 6:26 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Elmore, Montgomery	49 min
May 3, 6:34 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee	41 min
May 3, 6:44 PM CDT	Special Weather Statement	BMX	Elmore	31 min

Nearby

Special Weather Statements in Alabama, 2021 Every special weather statement in 2021

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.