Summary of Christmas Weekend Snowfall across East Kentucky

A multifaceted storm system affected the eastern U.S. over the Christmas weekend of December 24th through the 27th, 2010.  This storm brought a white Christmas to parts of Georgia and Alabama with the Atlanta metro area experiencing it's first measurable snow on Christmas day since 1881.  The storm then brought a swath of heavy snow up the east coast and then morphed into a blizzard as it strengthened off the coast of Massachussetts on Monday December 27th. 

Surface Chart & Radar Composite
(1 AM EST 12/25/2010)
Surface Chart & Radar Composite
(1 PM EST 12/25/2010)
Surface Chart & Radar Composite
(1 AM EST 12/26/2010)

Surface Chart & Radar Composite
(1 PM EST 12/26/2010)
Surface Chart & Radar Composite
(1 AM EST 12/27/2010)

Closer to home, two rounds of snow affected east Kentucky.  The first round began late on Christmas Eve as weak low pressure tracked along the Tennessee Valley.  Snow continued through the night and into early Christmas morning.  Snowfall amounts from this first batch of snow ranged from one to as much as four inches as can be seen from the graphic below.

Observed Snowfall Christmas Morning 2010

Very light snow continued through Christmas Day, and then picked up in intensity Christmas night as the storm system strengthened and moved up the east coast.  Northwest winds on the back side of this storm brought Great Lakes moisture southward into the area on Sunday December 26th resulting in widespread snow showers, some moderate to heavy at times.  The snow showers tapered off into early Monday morning December 27th, but not before dumping several inches of snow across the area.  As can be seen from the following images, the heaviest snowfall fell over the higher terrain along the Virginia border, as is normally the case in northwest flow upslope snow events.

This is now the snowiest December on record at the National Weather Service in Jackson, where 18.3" of snow has fallen.  Many locations across east Kentucky have already experienced more snow than they would normally get in an entire winter!

The National Weather Service in Jackson would like to thank all the storm spotters, amateur radio operators, cooperative weather observers, CoCoRaHS observers, county and state highway garages and emergency managers for their snowfall reports during this winter storm!

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