Alert archive / Alabama / Lake Wind Advisories in 2007

Lake Wind Advisory 22, NWS Birmingham, AL

June 7, 200723 counties in Alabama

NWS Birmingham, AL issued this lake wind advisory at Jun 7, 2007, 11:42 AM CDT for 23 counties in Alabama. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jun 7, 2007, 11:42 AM CDT (16:42 UTC)
Expired: Jun 7, 2007, 6:00 PM CDT
In force: 6 hr
Issued by: NWS Birmingham, AL

All 23 counties

Bibb County, AL, Blount County, AL, Calhoun County, AL, Cherokee County, AL, Chilton County, AL, Dallas County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Marengo County, AL, Marion County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 39 km from the middle of the area, began a volume at 16:42 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, 4.7 hours before the alert went out and 38 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: 292 J/kg
Mixed-layer CIN: -160 J/kg
Mixed-layer LCL: 828 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -66 m²/s²
0-3 km storm-relative helicity: -60 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 Jun 7, 11:22 AM CDT, 20 minutes earlier.

Area forecast discussion, Jun 7, 11:22 AM CDT, 20 minutes before

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Hazardous weather outlook, Jun 7, 6:30 AM CDT, 5 hours 12 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 5:31 PM CDT	Severe Thunderstorm Warning	BMX	Clay	29 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.