Alert archive / Alabama / Special Weather Statements in 2011

Special Weather Statement, NWS Birmingham, AL

May 2, 2011Fayette County, Lamar County, Pickens County, Alabama

NWS Birmingham, AL issued this special weather statement at May 2, 2011, 3:13 PM CDT for Fayette County, Lamar County, Pickens County, Alabama. It was in force for 47 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 2, 2011, 3:13 PM CDT (20:13 UTC)
Expired: May 2, 2011, 4:00 PM CDT
In force: 47 min
Issued by: NWS Birmingham, AL

Counties Fayette County, AL, Lamar County, AL, Pickens County, AL

The radar

The Columbus AFB radar (KGWX), 52 km from the middle of the area, began a volume at 20:16 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

Little Rock, AR (KLZK), launched 12:00Z, 8.2 hours before the alert went out and 229 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 426 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 250 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 1, 6:27 PM CDT, 20 hours 46 minutes earlier.

Area forecast discussion, May 1, 6:27 PM CDT, 20 hours 46 minutes before

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Hazardous weather outlook, May 1, 6:35 PM CDT, 20 hours 38 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 2, 2:38 PM CDT	Special Weather Statement	BMX	Pickens	37 min
May 2, 4:02 PM CDT	Special Weather Statement	BMX	Fayette	43 min
May 2, 4:41 PM CDT	Special Weather Statement	BMX	Winston	49 min
May 2, 4:50 PM CDT	Special Weather Statement	BMX	Lamar, Pickens	40 min
May 2, 5:28 PM CDT	Special Weather Statement	BMX	Winston	47 min
May 2, 5:29 PM CDT	Special Weather Statement	BMX	Fayette, Lamar	46 min
May 2, 6:18 PM CDT	Special Weather Statement	BMX	Fayette	42 min

Nearby

Special Weather Statements in Alabama, 2011 Every special weather statement in 2011

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.