Freezing fog possible in the NRV along with a few snow showers

Weather Blog

UPDATE: There is another element to the pattern tonight as there may be some area of Freezing Fog at higher elevated locations in the NRV. Already mentioned in the Winter Weather Advisory for Grayson, this Special Statement expands the issue of Freezing Fog to more of the NRV and Highlands.

Freezing fog is fog composed of super-cooled water droplets that may freeze when they come into contact with objects that are already below freezing. An icy glaze is likely to develop in these conditions, so it is very dangerous. Not only is there fog, reducing visibility, but there may be some patches of ice on bridges and overpasses.

Snow in the Smoky Mountains and in the southern portion of the Blue Ridge Mountains in the SW corner of the Commonwealth but only at the higher elevated locations.   There is a Winter Weather Advisory until 7 am Tuesday for 2 – 4” of snow, but only for locations above 3500 feet and only in Grayson county.

Otherwise, we seem to be locked in a rather simplistic pattern where high pressure to the north will keep the wet weather to the south.   There is a chance for some of the rain and or mountain snow to push through the Mtn. Empire from time to time this week, but the overall pattern looks to be on the dry side.  There is going to be a mixture of mostly to partly cloudy skies this week with more clouds than sun.

There really isn’t all that much as far as dramatic differences from day to day with the clouds keeping the temps in check.  The clouds at night will not let the temps dip into the “cold” zone and the clouds in the daytime will not allow the sun to warm us all that much.  It looks like the best chance for a sunny day will be Tuesday, but still a good mix of clouds and sun, just more sun than clouds. Overall, the result will be a quiet week.

Heading into the weekend there is some chatter about a storm moving through and giving us some decent snow in the mountains.  One of the models has us getting a good deal of rain and mountain snow while the other is keeping the energy to the south.  Since it is only Monday, I will reserve the right to hold off on making any bold predictions for this weekend.  Besides, Sunday is Groundhog Day and the world’s most famous prognosticator will be handling the duties this weekend.  Remember, if he sees his shadow, he gets scared and runs back in his burrow for six more weeks of winter, if he doesn’t, we may get an early spring. Of course, I am talking about Punxsutawney Phil and although he is a “long range forecaster” he is still aware of our weekend forecast.  Right now I will go with about a 40% chance of rain and snow this weekend.

Stay Safe.

John Carroll
Chief Meteorologist

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