Alert archive / Alabama / Lake Wind Advisories in 2007

Lake Wind Advisory 20, NWS Birmingham, AL

April 14, 200739 counties in Alabama

NWS Birmingham, AL issued this lake wind advisory at Apr 14, 2007, 4:50 AM CDT for 39 counties in Alabama. It took effect at Apr 14, 2007, 10:00 AM CDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Apr 14, 2007, 4:50 AM CDT (09:50 UTC)
In effect from: Apr 14, 2007, 10:00 AM CDT
Expired: Apr 14, 2007, 9:00 PM CDT
In force: 11 hr
Issued by: NWS Birmingham, AL

All 39 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 22 km from the middle of the area, began a volume at 09:51 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 9.8 hours before the alert went out and 198 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: 2653 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 303 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake wind advisory 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 lake wind advisory went out at Apr 13, 11:57 PM CDT, 4 hours 53 minutes earlier.

Area forecast discussion, Apr 13, 11:57 PM CDT, 4 hours 53 minutes before

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Hazardous weather outlook, Apr 13, 8:17 PM CDT, 8 hours 33 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 14, 11:19 AM CDT	Severe Thunderstorm Warning	BMX	Lamar	25 min
Apr 14, 2:13 PM CDT	Tornado Warning	BMX	Lowndes	62 min
Apr 14, 3:12 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	63 min
Apr 14, 3:31 PM CDT	Tornado Warning	BMX	Montgomery	44 min
Apr 14, 3:43 PM CDT	Tornado Warning	BMX	Montgomery	62 min
Apr 14, 4:23 PM CDT	Tornado Warning	BMX	Bullock	37 min
Apr 14, 4:36 PM CDT	Tornado Warning	BMX	Macon	54 min
Apr 14, 4:39 PM CDT	Tornado Warning	BMX	Pike	11 min
Apr 14, 4:56 PM CDT	Tornado Warning	BMX	Bullock	34 min
Apr 14, 5:42 PM CDT	Tornado Warning	BMX	Pike	33 min
Apr 14, 6:02 PM CDT	Tornado Warning	BMX	Bullock	28 min
Apr 14, 6:14 PM CDT	Tornado Warning	BMX	Barbour	46 min
Apr 14, 6:55 PM CDT	Tornado Warning	BMX	Russell	35 min
Apr 14, 6:58 PM CDT	Tornado Warning	BMX	Barbour	17 min

Nearby

Lake Wind Advisories in Alabama, 2007 Every lake wind advisory in 2007

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.