Alert archive / Alabama / Wind Advisories in 2010

Wind Advisory 4, NWS Huntsville, AL

November 25, 20107 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee

NWS Huntsville, AL issued this wind advisory at Nov 25, 2010, 10:25 AM CST for 7 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Nov 25, 2010, 10:25 AM CST (16:25 UTC)
Expired: Nov 25, 2010, 5:20 PM CST
In force: 7 hr
Issued by: NWS Huntsville, AL

Counties Colbert County, AL, Franklin County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Morgan County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN

The radar

The Northeast Alabama radar (KHTX), 85 km from the middle of the area, began a volume at 16:29 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

Nashville Metro, TN (KBNA), launched 12:00Z, 4.4 hours before the alert went out and 150 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: 15 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 324 m²/s²
0-3 km storm-relative helicity: 336 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 wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Huntsville, AL wrote its last area forecast discussion before this wind advisory went out at Nov 25, 10:25 AM CST, 0 minutes earlier.

Area forecast discussion, Nov 25, 10:25 AM CST, 0 minutes before

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Hazardous weather outlook, Nov 25, 5:15 AM CST, 5 hours 10 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <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 Huntsville, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 25, 5:25 PM CST	Special Weather Statement	HUN	Lauderdale	65 min
Nov 25, 5:55 PM CST	Special Weather Statement	HUN	Lauderdale	50 min

Nearby

Wind Advisories in Alabama, 2010 Wind Advisories in Tennessee, 2010 Every wind advisory in 2010

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.