Alert archive / Alabama / Lake Wind Advisories in 2007

Lake Wind Advisory 5, NWS Birmingham, AL

February 14, 200739 counties in Alabama

NWS Birmingham, AL issued this lake wind advisory at Feb 14, 2007, 3:51 AM CST for 39 counties in Alabama. It took effect at Feb 14, 2007, 4:00 AM CST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Feb 14, 2007, 3:51 AM CST (09:51 UTC)
In effect from: Feb 14, 2007, 4:00 AM CST
Expired: Feb 14, 2007, 6:00 PM CST
In force: 14 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 09:56 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 00:00Z, 9.9 hours before the alert went out and 23 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: 429 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 767 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.1

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 Feb 13, 11:30 PM CST, 4 hours 21 minutes earlier.

Area forecast discussion, Feb 13, 11:30 PM CST, 4 hours 21 minutes before

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Hazardous weather outlook, Feb 13, 9:25 PM CST, 6 hours 26 minutes before

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In the hours before

Local storm report, Feb 14, 2:10 AM CST, 1 hour 41 minutes before

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Local storm report, Feb 14, 2:15 AM CST, 1 hour 36 minutes before

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Local storm report, Feb 14, 2:27 AM CST, 1 hour 24 minutes before

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Local storm report, Feb 14, 3:22 AM CST, 29 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Feb 14, 3:34 AM CST, 17 minutes before

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      <p id="message2">
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Feb 14, 3:38 AM CST, 13 minutes before

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      <p id="message1">
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      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 13, 6:10 PM CST	Severe Thunderstorm Warning	BMX	Shelby	65 min
Feb 13, 6:13 PM CST	Tornado Warning	BMX	Autauga	32 min
Feb 13, 6:30 PM CST	Severe Thunderstorm Warning	BMX	Blount, Jefferson	29 min
Feb 13, 6:30 PM CST	Tornado Warning	BMX	Chilton, Coosa	27 min
Feb 13, 6:39 PM CST	Tornado Warning	BMX	Lowndes, Montgomery	36 min
Feb 13, 6:51 PM CST	Severe Thunderstorm Warning	BMX	St. Clair	39 min
Feb 13, 6:54 PM CST	Severe Thunderstorm Warning	BMX	Talladega	27 min
Feb 13, 7:12 PM CST	Tornado Warning	BMX	Macon, Montgomery	48 min
Feb 13, 7:26 PM CST	Tornado Warning	BMX	Bullock	34 min
Feb 13, 7:59 PM CST	Severe Thunderstorm Warning	BMX	Bullock, Macon, Montgomery	31 min
Feb 13, 8:08 PM CST	Severe Thunderstorm Warning	BMX	Russell	52 min
Feb 13, 8:14 PM CST	Severe Thunderstorm Warning	BMX	Barbour	31 min
Feb 13, 8:28 PM CST	Severe Thunderstorm Warning	BMX	Barbour, Bullock	28 min
Feb 13, 8:33 PM CST	Severe Thunderstorm Warning	BMX	Russell	24 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.