Alert archive / Alabama / Special Weather Statements in 2011

Special Weather Statement, NWS Birmingham, AL

March 9, 2011Perry County, Alabama

NWS Birmingham, AL issued this special weather statement at Mar 9, 2011, 2:47 AM CST for Perry County, Alabama. It was in force for 43 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: Mar 9, 2011, 2:47 AM CST (08:47 UTC)
Expired: Mar 9, 2011, 3:30 AM CST
In force: 43 min
Issued by: NWS Birmingham, AL

County Perry County, AL

The radar

The Birmingham radar (KBMX), 104 km from the middle of the area, began a volume at 08:50 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

Jackson, MS (KJAN), launched 00:00Z, 8.8 hours before the alert went out and 247 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: 600 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 542 m²/s²
0-3 km storm-relative helicity: 664 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Mar 8, 11:52 PM CST, 2 hours 55 minutes earlier.

Area forecast discussion, Mar 8, 11:52 PM CST, 2 hours 55 minutes before

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Hazardous weather outlook, Mar 8, 7:45 PM CST, 7 hours 2 minutes before

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In the hours before

Special weather statement, Mar 8, 11:55 PM CST, 2 hours 52 minutes before

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Special weather statement, Mar 9, 1:15 AM CST, 1 hour 32 minutes before

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Special weather statement, Mar 9, 1:37 AM CST, 1 hour 10 minutes before

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Special weather statement, Mar 9, 2:47 AM 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
Mar 8, 6:21 PM CST	Special Weather Statement	BMX	Lamar	24 min
Mar 8, 7:06 PM CST	Areal Flood Warning	BMX	Lamar	3 hr
Mar 8, 8:42 PM CST	Areal Flood Advisory	BMX	Greene, Hale, Marengo, Pickens, Sumter	3 hr
Mar 8, 9:00 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	4 days
Mar 8, 9:49 PM CST	River Flood Warning	BMX	Bibb, Jefferson, Shelby	36 hr
Mar 8, 9:49 PM CST	River Flood Warning	BMX	Bibb, Dallas, Perry	61 hr
Mar 8, 10:33 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	9 days
Mar 8, 10:38 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo	8 days
Mar 8, 11:21 PM CST	Areal Flood Advisory	BMX	Greene, Hale, Lamar, Marengo, Pickens, Sumter	3 hr
Mar 8, 11:55 PM CST	Special Weather Statement	BMX	Dallas, Perry	50 min
Mar 9, 1:02 AM CST	Areal Flood Advisory	BMX	Fayette, Jefferson, Marion, Tuscaloosa, Walker, Winston	3 hr
Mar 9, 1:15 AM CST	Special Weather Statement	BMX	Marengo	30 min
Mar 9, 1:37 AM CST	Special Weather Statement	BMX	Dallas	38 min
Mar 9, 2:29 AM CST	Flash Flood Warning	BMX	Fayette, Lamar, Marion, Pickens, Tuscaloosa, Walker and 1 more	6 hr
Mar 9, 3:32 AM CST	Areal Flood Advisory	BMX	Greene, Hale, Marengo, Perry, Sumter	3 hr
Mar 9, 3:56 AM CST	Areal Flood Advisory	BMX	Bibb, Blount, Jefferson, Shelby, Tuscaloosa	3 hr
Mar 9, 4:21 AM CST	Flash Flood Warning	BMX	Bibb, Greene, Hale, Marengo, Perry, Sumter and 1 more	6 hr
Mar 9, 4:38 AM CST	Severe Thunderstorm Warning	BMX	Marengo, Sumter	37 min
Mar 9, 4:59 AM CST	Special Weather Statement	BMX	Bibb, Hale, Jefferson, Perry, Tuscaloosa	46 min
Mar 9, 5:24 AM CST	Flash Flood Warning	BMX	Bibb, Blount, Chilton, Dallas, Jefferson, Perry and 3 more	6 hr
Mar 9, 5:27 AM CST	River Flood Warning	BMX	Jefferson	16 hr
Mar 9, 5:48 AM CST	Special Weather Statement	BMX	Autauga, Blount, Calhoun, Chilton, Coosa, Dallas and 5 more	57 min
Mar 9, 6:00 AM CST	Flash Flood Warning	BMX	Blount, Calhoun, Cherokee, Etowah, St. Clair, Shelby and 1 more	4 hr
Mar 9, 6:46 AM CST	Special Weather Statement	BMX	Clay, Coosa, Elmore, Lowndes, Montgomery, Talladega and 1 more	59 min
Mar 9, 6:53 AM CST	Special Weather Statement	BMX	Clay, Coosa, Elmore, Lowndes, Montgomery, Talladega and 1 more	52 min
Mar 9, 7:38 AM CST	Special Weather Statement	BMX	Bullock, Chambers, Lee, Macon, Montgomery, Pike and 1 more	67 min
Mar 9, 8:25 AM CST	Areal Flood Warning	BMX	Lamar	24 hr
Mar 9, 8:34 AM CST	Special Weather Statement	BMX	Barbour, Bullock, Chambers, Lee, Macon, Russell	56 min
Mar 9, 8:53 AM CST	Areal Flood Advisory	BMX	Clay, Cleburne, Coosa, Talladega	6 hr
Mar 9, 9:25 AM CST	River Flood Warning	BMX	Jefferson, Tuscaloosa, Walker	59 hr
Mar 9, 9:46 AM CST	Severe Thunderstorm Warning	BMX	Pike	29 min
Mar 9, 10:00 AM CST	Areal Flood Warning	BMX	Talladega	12 hr
Mar 9, 10:03 AM CST	Tornado Warning	BMX	Barbour, Pike	42 min
Mar 9, 10:40 AM CST	Areal Flood Advisory	BMX	Chambers, Randolph, Tallapoosa	3 hr
Mar 9, 10:46 AM CST	Severe Thunderstorm Warning	BMX	Barbour	29 min
Mar 9, 10:59 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Tuscaloosa	33 hr
Mar 9, 10:59 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter, Tuscaloosa	68 hr
Mar 9, 11:18 AM CST	Flash Flood Warning	BMX	Cleburne	3 hr
Mar 9, 12:04 PM CST	River Flood Warning	BMX	Chilton, Coosa, Elmore, Shelby, Talladega	45 hr
Mar 9, 3:56 PM CST	Special Weather Statement	BMX	Marion	34 min
Mar 9, 4:00 PM CST	Special Weather Statement	BMX	Lamar	30 min
Mar 9, 4:04 PM CST	Special Weather Statement	BMX	Pickens	26 min
Mar 9, 4:24 PM CST	Special Weather Statement	BMX	Fayette	36 min
Mar 9, 4:45 PM CST	Special Weather Statement	BMX	Pickens	30 min
Mar 9, 4:56 PM CST	Special Weather Statement	BMX	Winston	34 min
Mar 9, 5:00 PM CST	Special Weather Statement	BMX	Fayette	30 min
Mar 9, 5:14 PM CST	Special Weather Statement	BMX	Fayette	31 min
Mar 9, 5:31 PM CST	Special Weather Statement	BMX	Winston	29 min
Mar 9, 5:36 PM CST	Special Weather Statement	BMX	Walker	39 min
Mar 9, 5:46 PM CST	Special Weather Statement	BMX	Tuscaloosa	44 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.