Alert archive / Kentucky / Snow Advisories in 2005

Snow Advisory 3, NWS Jackson, KY

December 4, 20059 counties in Kentucky

NWS Jackson, KY issued this snow advisory at Dec 4, 2005, 4:01 PM EST for 9 counties in Kentucky. It took effect at Dec 5, 2005, 7:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 4, 2005, 4:01 PM EST (21:01 UTC)
In effect from
Dec 5, 2005, 7:00 AM EST
Expired
Dec 5, 2005, 4:24 AM EST
In force
Issued by
NWS Jackson, KY

Counties Clay County, KY, Floyd County, KY, Knott County, KY, Knox County, KY, Leslie County, KY, Martin County, KY, McCreary County, KY, Perry County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 47 km from the middle of the area, began a volume at 21:03 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.0 hours before the alert went out and 339 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2005-12-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2005-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
837 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 3, 8:42 PM ESTWinter Weather AdvisoryJKLBath, Elliott, Fleming, Montgomery, Rowan6 hr
Dec 4, 3:48 AM ESTWinter Storm WatchJKLBell, Harlan, Letcher, Pike12 hr
Dec 4, 4:01 PM ESTHeavy Snow WarningJKLBell, Harlan, Letcher, Pike12 hr

Nearby

Snow Advisories in Kentucky, 2005Every 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.