Alert archive / Tennessee / Winter Weather Advisories in 2011

Winter Weather Advisory 2, NWS Nashville, TN

January 8, 20118 counties in Tennessee

NWS Nashville, TN issued this winter weather advisory at Jan 8, 2011, 3:55 AM CST for 8 counties in Tennessee. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jan 8, 2011, 3:55 AM CST (09:55 UTC)
Expired: Jan 8, 2011, 12:00 PM CST
In force: 8 hr
Issued by: NWS Nashville, TN

Counties Clay County, TN, Cumberland County, TN, Fentress County, TN, Jackson County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, White County, TN

The radar

The Nashville radar (KOHX), 113 km from the middle of the area, began a volume at 09:54 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, 9.9 hours before the alert went out and 331 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: 2092 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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 winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this winter weather advisory went out at Jan 8, 2:15 AM CST, 1 hour 40 minutes earlier.

Area forecast discussion, Jan 8, 2:15 AM CST, 1 hour 40 minutes before

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Hazardous weather outlook, Jan 8, 12:54 AM CST, 3 hours 1 minute before

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In the hours before

Local storm report, Jan 8, 2:29 AM CST, 1 hour 26 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 8, 3:46 AM CST	Winter Storm Watch	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more	30 hr

Nearby

Winter Weather Advisories in Tennessee, 2011 Every winter weather advisory 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.