Alert archive / Alabama / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 60, NWS Birmingham, AL

May 5, 2022Winston County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 5, 2022, 9:10 PM CDT for Winston County, Alabama. It was in force for 35 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: May 5, 2022, 9:10 PM CDT (02:10 UTC)
Expired: May 5, 2022, 9:45 PM CDT
In force: 35 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Winston County, AL

The radar

The Columbus AFB radar (KGWX), 92 km from the middle of the area, began a volume at 02:13 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, 2.2 hours before the alert went out and 121 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: 645 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1429 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

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 May 5, 7:03 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, May 5, 7:03 PM CDT, 2 hours 7 minutes before

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Hazardous weather outlook, May 5, 2:54 PM CDT, 6 hours 16 minutes before

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In the hours before

Special weather statement, May 5, 8:20 PM CDT, 50 minutes before

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Special weather statement, May 5, 8:34 PM CDT, 36 minutes before

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Special weather statement, May 5, 9:08 PM CDT, 2 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
May 5, 8:20 PM CDT	Special Weather Statement	BMX	Fayette	25 min
May 5, 8:34 PM CDT	Special Weather Statement	BMX	Winston	41 min
May 5, 9:08 PM CDT	Special Weather Statement	BMX	Pickens	52 min
May 5, 9:47 PM CDT	Special Weather Statement	BMX	Fayette, Lamar	43 min
May 5, 9:59 PM CDT	Special Weather Statement	BMX	Sumter	31 min
May 5, 10:28 PM CDT	Special Weather Statement	BMX	Pickens	32 min
May 6, 6:50 AM CDT	Special Weather Statement	BMX	Macon	40 min
May 6, 1:02 PM CDT	Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	6 hr

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.