Alert archive / Alabama / Special Weather Statements in 2020

Special Weather Statement, NWS Birmingham, AL

June 9, 2020Cherokee County, Etowah County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 9, 2020, 2:13 PM CDT for Cherokee County, Etowah County, Alabama. It was in force for 32 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: Jun 9, 2020, 2:13 PM CDT (19:13 UTC)
Expired: Jun 9, 2020, 2:45 PM CDT
In force: 32 min
Issued by: NWS Birmingham, AL

Counties Cherokee County, AL, Etowah County, AL

The radar

The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 159 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: 58 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 799 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 78 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 1:00 PM CDT	Special Weather Statement	BMX	Lee	30 min
Jun 9, 1:08 PM CDT	Special Weather Statement	BMX	Russell	52 min
Jun 9, 1:10 PM CDT	Special Weather Statement	BMX	Dallas	35 min
Jun 9, 1:35 PM CDT	Areal Flood Advisory	BMX	Lee, Russell	3 hr
Jun 9, 1:53 PM CDT	Special Weather Statement	BMX	Autauga, Chilton	52 min
Jun 9, 2:09 PM CDT	Special Weather Statement	BMX	Tallapoosa	51 min
Jun 9, 2:23 PM CDT	Areal Flood Advisory	BMX	Jefferson, St. Clair, Shelby	98 min
Jun 9, 2:34 PM CDT	Areal Flood Advisory	BMX	Chilton, Coosa, Talladega	56 min
Jun 9, 2:47 PM CDT	Special Weather Statement	BMX	Shelby	28 min
Jun 9, 3:14 PM CDT	Areal Flood Advisory	BMX	Calhoun, St. Clair, Shelby, Talladega	106 min
Jun 9, 3:24 PM CDT	Special Weather Statement	BMX	Calhoun, Cherokee, Clay, Cleburne, Etowah, Randolph and 2 more	51 min
Jun 9, 3:48 PM CDT	Special Weather Statement	BMX	Dallas	42 min
Jun 9, 4:10 PM CDT	Special Weather Statement	BMX	Greene	35 min
Jun 9, 4:13 PM CDT	Areal Flood Advisory	BMX	Calhoun, Cleburne	114 min
Jun 9, 4:16 PM CDT	Special Weather Statement	BMX	Cleburne	44 min
Jun 9, 4:40 PM CDT	Special Weather Statement	BMX	Tuscaloosa	50 min
Jun 9, 4:47 PM CDT	Special Weather Statement	BMX	Greene	13 min
Jun 9, 4:58 PM CDT	Special Weather Statement	BMX	Bibb	47 min
Jun 9, 5:32 PM CDT	Special Weather Statement	BMX	Chambers	28 min

Nearby

Special Weather Statements in Alabama, 2020 Every special weather statement in 2020

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.