An Arctic Blast On New Year’s Eve

Good morning bloggers,

A wet storm is now exiting the area.  Rainfall amounts reached over an inch in most spots.  At KCI Airport there was 1.10″ putting the December total up to 2.15″, and the 2018 total up to 39.85″, or just 0.15″ shy of 40 inches of rain for the year.  How much rain did you receive?  The cold front will move through later this afternoon and colder air will surge in.  It will be much colder on Friday, and then we have strong indications that there will be an Arctic Blast on New Year’s Eve:


This temperature forecast map is valid at midnight on New Year’s Eve just as we ring in the new year.  Temperatures are forecast to drop to 25 degrees below zero in North Dakota. How much of this air blasts south is still in question, and will we see any snow on New Year’s Eve?  There is a trend on the models for a slightly deeper storm system on New Year’s Eve and a little bit of snow as you can see below.


The Cold Arctic high pressure area will be centered near the Canada/USA border just north of the Montana/North Dakota border as you can see with the 1041 mb surface high.  Some snow is forecast to be falling from this system by this model.  Let’s see how this sets up.  Temperatures will be dropping into the single digits by New Year’s morning, and if there is snow on the ground it would maximize this blast from the north.

What we are seeing right now:

  • A cold blast moves in later today and this evening and Friday will be much colder than today.  Highs in the upper 50s today and in the lower or middle 30s tomorrow
  • Saturday’s chance of snow is out for now. There is a storm moving by and possibly right overhead. It is just so positively tilted that there is no snow being produced. I am still monitoring this closely and won’t be shocked if it looks a bit differently on today’s models.  Right now, however, taking the chance out makes sense
  • Sunday for the Chiefs game should be in between systems. The part of the pattern that produced the big St. Louis storm is moving through on Sunday night into New Year’s Day.  How will this second cycle of the LRC produce?  We will be monitoring this as well.  There are two parts to this storm system, one early Monday and then the cold part later Monday.

Have a great day!


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