November 30th: Winter's Going to Show Up...

Like I talked about last week, the Arctic Oscillation is going negative and that means Canadian Air is headed our way.  In fact, Wednesday's high temperatures will be 30 to 40 degrees cooler than Tuesday's highs.  Check out the "Canadian Pipeline":

This just isn't going to be one cold day and then we bounce back.  That cold air is going to lock itself up next to the mountains and stay here for a few days.  This will be the coldest airmass we've seen, since the record cold we saw back in early October.  Snow is also going to be possible.  We can get some decent accumulations sometimes, with these Arctic Fronts.  Light fluffy snow can accumulate several inches, when there really isn't a storm around to cause it.  However, with the energy from the jet stream being so close and some weak upslope, accumulations will be possible along and west of I-25:

 

Our Hour by Hour model shows 1 to 3" possible up and down I-25 from Tuesday night through Wednesday.  Areas just west of I-25 could see more than that, especially over Teller County and in the foothills west and southwest of Denver.  We are still working on exact snowfall accumulations, but the potential is there.  At the very least plan on some snow and cold temperatures for your Wednesday morning drive to work...

More on this tomorrow.

Chief Meteorologist Brian Bledsoe

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Comments are posted from viewers like you and do not always reflect the views of this station.
  • by esmeralda alexanser on Dec 3, 2009 at 04:56 AM
    snow go way right now you make sick bad we need sun come up time tomorrow friday go ou my friends clean up
  • by jon Location: Statton Meadows/ southgate on Dec 2, 2009 at 05:37 PM
    no snow, not surprising, not just because of the north wind, but when the dew point temperature is only 5, & the humidity at only 65%, snow just cannot occur in such parched air, one must remember that the arctic air by itself is always very dry, unless some sort of moisture source can be drawn back over the air mass, other wise this would be rather normal for such air masses.. i really not surprised at this.. , see if March/ April will produce something worthwhile, i would not count on much for Jan - Feb.. sometimes a few 4 - 5 inchers , with anything bigger usually would be Mar - Apr.. jon
  • by ed Location: widefield on Dec 1, 2009 at 03:24 PM
    Uh, constitution and powers? I say None! Well, maybe a dusting - a light dusting. But pretty much nothing. Hoolio said it, north winds = no snow for you! or me!
  • by Jeannine Location: Colorado Springs on Dec 1, 2009 at 01:51 PM
    I live new Constitution and Powers, how much snow are we supposed to get. If we get. Just wondering. Maybe we will get lucky
  • by Julio Location: 80907 on Dec 1, 2009 at 03:52 AM
    North to northeast winds the NWS says...bye, bye snow....!
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