Alert archive / Alabama / Special Weather Statements in 2013

Special Weather Statement, NWS Birmingham, AL

February 10, 2013Greene County, Pickens County, Alabama

NWS Birmingham, AL issued this special weather statement at Feb 10, 2013, 1:06 PM CST for Greene County, Pickens County, Alabama. It was in force for 39 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: Feb 10, 2013, 1:06 PM CST (19:06 UTC)
Expired: Feb 10, 2013, 1:45 PM CST
In force: 39 min
Issued by: NWS Birmingham, AL

Counties Greene County, AL, Pickens County, AL

The radar

The Columbus AFB radar (KGWX), 70 km from the middle of the area, began a volume at 19:07 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 12:00Z, 7.1 hours before the alert went out and 118 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: 1188 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 364 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 Feb 10, 11:52 AM CST, 1 hour 14 minutes earlier.

Area forecast discussion, Feb 10, 11:52 AM CST, 1 hour 14 minutes before

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Hazardous weather outlook, Feb 10, 10:48 AM CST, 2 hours 18 minutes before

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In the hours before

Special weather statement, Feb 10, 1:06 PM CST, 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
Feb 10, 6:11 AM CST	Flash Flood Watch	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	65 hr
Feb 10, 1:48 PM CST	Special Weather Statement	BMX	Greene, Hale, Sumter	42 min
Feb 10, 2:39 PM CST	Special Weather Statement	BMX	Bibb, Jefferson, Shelby	51 min
Feb 10, 3:21 PM CST	Special Weather Statement	BMX	Calhoun, Clay, St. Clair, Talladega	39 min
Feb 10, 3:23 PM CST	Special Weather Statement	BMX	Chilton, Coosa	52 min
Feb 10, 5:23 PM CST	Areal Flood Advisory	BMX	Elmore, Montgomery	112 min
Feb 10, 5:49 PM CST	Areal Flood Advisory	BMX	Bullock, Lee, Macon, Montgomery, Russell	116 min

Nearby

Special Weather Statements in Alabama, 2013 Every special weather statement in 2013

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.