Saturday, December 15, 2007

WINTER STORM UPDATE: 12/16-12/17

The latest computer models continue to delay the secondary low pressure development along the Mid-Atlantic coast. This means that as the main low continues further inland over the Ohio Valley, a southerly wind will pump up warmer air in the low and mid levels of the atmosphere. While snow will fall heavily and accumulate significantly during the first part of the storm, I now believe that a changeover to sleet and even rain will occur into the Albany area. This will cut down on snow accumulation quite a bit. Nevertheless, snowfall will be heavy begining around 11pm-1am Sunday morning before the changeover during the day Sunday. Total snow accumulation will be 5-9" followed by sleet and rain. The storm should gradually wind down as some additional snow comes to an end by about 3am Monday morning.

Many areas in the Adirondacks southwestward to Syracuse, NY will see upwards of a foot of snow with many higher elevations close to 24" before all is said and done.

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