Alert archive / Tennessee / Snow Advisories in 2005

Snow Advisory 1, NWS Nashville, TN

December 4, 20057 counties in Tennessee

NWS Nashville, TN issued this snow advisory at Dec 4, 2005, 3:47 PM CST for 7 counties in Tennessee. It took effect at Dec 5, 2005, 5:00 AM CST. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Dec 4, 2005, 3:47 PM CST (21:47 UTC)
In effect from: Dec 5, 2005, 5:00 AM CST
Expired: Dec 5, 2005, 7:10 AM CST
In force: 2 hr
Issued by: NWS Nashville, TN

Counties Cumberland County, TN, Fentress County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Van Buren County, TN, White County, TN

The radar

The Nashville radar (KOHX), 119 km from the middle of the area, began a volume at 21:49 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 12:00Z, 9.8 hours before the alert went out and 316 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: 400 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 616 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this snow 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 snow advisory went out at Dec 4, 11:01 AM CST, 4 hours 46 minutes earlier.

Area forecast discussion, Dec 4, 11:01 AM CST, 4 hours 46 minutes before

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Hazardous weather outlook, Dec 4, 5:19 AM CST, 10 hours 28 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.
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        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 Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 3, 7:45 PM CST	Severe Thunderstorm Warning	OHX	Montgomery, Stewart	30 min
Dec 3, 10:10 PM CST	Severe Thunderstorm Warning	OHX	Dickson, Houston, Montgomery	35 min
Dec 3, 10:34 PM CST	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	26 min
Dec 3, 11:13 PM CST	Severe Thunderstorm Warning	OHX	Perry, Wayne	32 min
Dec 3, 11:23 PM CST	Severe Thunderstorm Warning	OHX	Davidson, Sumner	37 min
Dec 3, 11:26 PM CST	Severe Thunderstorm Warning	OHX	Lewis	19 min
Dec 3, 11:37 PM CST	Severe Thunderstorm Warning	OHX	Maury	28 min
Dec 4, 12:43 AM CST	Severe Thunderstorm Warning	OHX	DeKalb, Putnam	32 min
Dec 4, 1:06 AM CST	Severe Thunderstorm Warning	OHX	Cumberland, Fentress	24 min

Nearby

Snow Advisories in Tennessee, 2005 Every snow advisory in 2005

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.