By Chris White

Weather Blog: Since Fredericksburg resides "in the seam" between the Richmond VA and Washington DC media markets this blog is a look at the weather from a Fredericksburg-centric point of view.

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Saturday morning snow?

Yep!  Courtesy of some upper level “forcing” northern Virginia is seeing some snowflakes this morning.  These events are not easy to forecast since even a weak disturbance can wring out some snowflakes from this type of Arctic airmass.  A couple of local forecasts did call for flurries this morning but this may qualify more as light snow as the latest vigorous upper level trough swings through the area today and perturbs the lower atmosphere.

Meanwhile the sun should break through later this morning and the high temperature both today and Sunday may actually claw its way above the freezing mark for the first time in a few days.  The warmup will continue through Wednesday when another Arctic front will blast through here, with temperatures by that time possibly zooming to the 60 degree (F) mark before reality sets in behind the front and winter returns.

One point of concern as the warmth pushes northward Sunday night into Monday morning is the potential for a bit of freezing rain.   This would come from warm and moist air riding up and over the heavy and dense cold air at the surface (a process known as “overrunning”), squeezing out precipitation that would fall as liquid but then freeze when it hits the still-frozen ground.  It may not be a huge amount but it doesn’t take a lot of ice to create problems on the roads and sidewalks.  Keep an eye on the conditions and forecasts Sunday night and Monday morning.