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Late Winter 2017 Colder Air Mass Movement and Distribution Projections ..


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(This thread follows in line with one similar, covering the same idea where looking at this past later fall and earlier winter. @ )

Perhaps you've noted. That back on the 21st of February, main colder airmass looked at more broadly (Across the board from east to west, fuller Northern hemisphere.) began to regress, steadily, even daily, more northward. This following its general expansionout and down from its main higher latitude sources and more into the midlatitudesfrom the 7th, to Feb. 21st. 
 
This regress should continue, with cold dropping increasingly less far south and so at the same time allowing warmer air more south increasingly greater access north, through the 6th of March. 
 
While this regress is in effect, at the same time where looked at more longitudinally, main cold should continue a progressive slow-down where considering the pace of its main progress more eastward, through the 9th or 10th of March.
 
No "Numerical Wx-forecast Models" have been consulted where considering the generation of the broader outlook included above as part of this post.  Further, the more-abstract ideas represented above, are theoretical in nature, only. And so, as such, have been submitted here, only as conjecture certainly open to discussion.

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Beginning back on Mar. 7th you should have noted that main colder air mass still holding on with significant density for the season at this seasonal point, began to move and spread more southward. With this, cold should continue to expand daily more south through Mar. 20th.
 
This more inner-seasonal general spread of broader cold more latitudinal, while at the same time, more longitudinally and if beginning nearer to the 9th or so colder air mass having been caused to step up its pace east where looked at more over-all through to today. With this more assertive movement east, more from this point cold should slow its pace east daily through to about the 19th of March before beginning to move more quickly east again.
 
No "Numerical Wx-forecast Models" have been consulted where considering the generation of the broader outlook included above as part of this post.  Further, the more-abstract ideas represented above, are theoretical in nature, only. And so, as such, have been submitted here, only as conjecture certainly open to discussion.

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