Sunday, January 3, 2021

The answer may be Friday/ Saturday to the question I get asked the most.

There is an event I've been tracking a few days that looks to take place in the Friday to Saturday time frame. We have the "Blocking" pattern I discussed but not a ton of cold air. A few models have hinted at the block forcing a system to our south with just enough cold air for snow in parts of the region. In the past couple runs of the models, there seems to be growing concensus in the models that the storm will both travel to our south and have "just enough cold air" in place. 

 Points to ponder- 
1. Things change as we get close. This is an outlook 5 days away. 
 2. Timing is not locked in as some models show early Friday start and others early Saturday. 
 3. Models have looked colder, not super cold as we get close. We obviously need the cold. Some places east and south may not have enough cold air or depending on timing, places may start as snow and end as rain. 
 4. This event that may stay to our south with the upper air puts is in "cold conveyer belt snows" where the upper air feature provides "banded" snow. Heavy in those bands and sad for those outside. Makes for a wide range of totals. 
 5. Would not throw out any totals but potential is there for an "advisory type event" which is an event of basically under 4 inches and yes, there is potential for a "Warning" event which is more than 4 inches.

 I'll tweet or FB updates more often if warranted and then throw another blog out by sometime Tuesday. We should have a pretty good handle on if the storm will come to fruition in some shape by that time.
This maps shows our blocking (red- higher heights and blue lower heights. Should help keep this storm south.
This is our upper air low moving due east from TN into NC. That's a great track for our region. As always, models like to push the precipitation NW as the event gets close, but data is a bit suppressed for our region, which is a good thing 5 days away.

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