Alert archive / Kentucky / Snow Advisories in 2007
Snow Advisory 8, NWS Jackson, KY
NWS Jackson, KY issued this snow advisory at Apr 14, 2007, 5:07 PM EDT for 4 counties in Kentucky. It took effect at Apr 14, 2007, 5:30 PM EDT. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Apr 14, 2007, 5:07 PM EDT (21:07 UTC)
- In effect from
- Apr 14, 2007, 5:30 PM EDT
- Expired
- Apr 15, 2007, 11:00 PM EDT
- In force
- 30 hr
- Issued by
- NWS Jackson, KY
Counties Bell County, KY, Harlan County, KY, Letcher County, KY, Pike County, KY
The radar
The Jackson,KY radar (KJKL), 66 km from the middle of the area, began a volume at 21:10 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, 9.1 hours before the alert went out and 300 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1639 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 14, 2:15 PM EDT, 2 hours 52 minutes earlier.
Area forecast discussion, Apr 14, 2:15 PM EDT, 2 hours 52 minutes before
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</html>Hazardous weather outlook, Apr 14, 6:14 AM EDT, 10 hours 53 minutes before
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Snow Advisories in Kentucky, 2007Every 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.