Alert archive / Kentucky / Snow Advisories in 2007

Snow Advisory 6, NWS Jackson, KY

February 5, 200713 counties in Kentucky

NWS Jackson, KY issued this snow advisory at Feb 5, 2007, 10:31 PM EST for 13 counties in Kentucky. It took effect at Feb 6, 2007, 3:00 PM EST. It was in force for 78 min.

The area

The counties it named.

The facts

Issued: Feb 5, 2007, 10:31 PM EST (03:31 UTC)
In effect from: Feb 6, 2007, 3:00 PM EST
Expired: Feb 6, 2007, 4:18 PM EST
In force: 78 min
Issued by: NWS Jackson, KY

Counties Breathitt County, KY, Estill County, KY, Floyd County, KY, Jackson County, KY, Knott County, KY, Lee County, KY, Letcher County, KY, Magoffin County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 9 km from the middle of the area, began a volume at 03:36 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

Roanoke, VA (KRNK), launched 00:00Z, 3.5 hours before the alert went out and 340 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: 1504 m above ground
0-6 km bulk shear: 106 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 135 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 snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, KY wrote its last area forecast discussion before this snow advisory went out at Feb 5, 6:38 PM EST, 3 hours 53 minutes earlier.

Area forecast discussion, Feb 5, 6:38 PM EST, 3 hours 53 minutes before

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Hazardous weather outlook, Feb 5, 5:33 PM EST, 4 hours 58 minutes before

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In the hours before

Special weather statement, Feb 5, 5:07 PM EST, 5 hours 24 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 5, 10:31 PM EST	Heavy Snow Warning	JKL	Bath, Elliott, Fleming, Floyd, Johnson, Magoffin and 6 more	25 hr
Feb 6, 3:50 AM EST	Winter Weather Advisory	JKL	Bell, Breathitt, Clay, Estill, Harlan, Jackson and 15 more	19 hr

Nearby

Snow Advisories in Kentucky, 2007 Every snow 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.