Alert archive / Alabama / Special Weather Statements in 2012

Special Weather Statement, NWS Birmingham, AL

May 22, 2012Barbour County, Alabama

NWS Birmingham, AL issued this special weather statement at May 22, 2012, 5:41 AM CDT for Barbour County, Alabama. It was in force for 49 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 22, 2012, 5:41 AM CDT (10:41 UTC)
Expired: May 22, 2012, 6:30 AM CDT
In force: 49 min
Issued by: NWS Birmingham, AL

County Barbour County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 10.7 hours before the alert went out and 200 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: 361 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1258 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 25 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 22, 5:04 AM CDT, 37 minutes earlier.

Area forecast discussion, May 22, 5:04 AM CDT, 37 minutes before

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Hazardous weather outlook, May 22, 2:00 AM CDT, 3 hours 41 minutes before

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In the hours before

Local storm report, May 22, 2:18 AM CDT, 3 hours 23 minutes before

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Local storm report, May 22, 2:24 AM CDT, 3 hours 17 minutes before

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Local storm report, May 22, 2:29 AM CDT, 3 hours 12 minutes before

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Local storm report, May 22, 2:31 AM CDT, 3 hours 10 minutes before

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Special weather statement, May 22, 2:39 AM CDT, 3 hours 2 minutes before

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Special weather statement, May 22, 5:41 AM CDT, 0 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 21, 8:55 PM CDT	Special Weather Statement	BMX	Marion	50 min
May 21, 9:42 PM CDT	Special Weather Statement	BMX	Marion	48 min
May 21, 10:26 PM CDT	Special Weather Statement	BMX	Lamar, Marion	49 min
May 21, 10:45 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar	30 min
May 21, 11:11 PM CDT	Special Weather Statement	BMX	Fayette, Lamar, Pickens	49 min
May 21, 11:15 PM CDT	Special Weather Statement	BMX	Walker	45 min
May 21, 11:17 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Tuscaloosa	28 min
May 21, 11:39 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	36 min
May 21, 11:52 PM CDT	Special Weather Statement	BMX	Pickens, Tuscaloosa	38 min
May 22, 12:10 AM CDT	Special Weather Statement	BMX	Walker	50 min
May 22, 12:14 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa, Walker	46 min
May 22, 12:24 AM CDT	Special Weather Statement	BMX	Pickens	66 min
May 22, 12:40 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson	40 min
May 22, 12:52 AM CDT	Special Weather Statement	BMX	Tuscaloosa	38 min
May 22, 1:07 AM CDT	Severe Thunderstorm Warning	BMX	Greene, Tuscaloosa	26 min
May 22, 1:13 AM CDT	Special Weather Statement	BMX	Shelby	47 min
May 22, 1:32 AM CDT	Special Weather Statement	BMX	Hale	43 min
May 22, 1:45 AM CDT	Special Weather Statement	BMX	Chilton	45 min
May 22, 1:59 AM CDT	Special Weather Statement	BMX	Perry	31 min
May 22, 2:39 AM CDT	Special Weather Statement	BMX	Dallas	51 min

Nearby

Special Weather Statements in Alabama, 2012 Every special weather statement in 2012

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.