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February 2019 Discussion I


NorEastermass128
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4 minutes ago, Baroclinic Zone said:

Correct.  My money is on the continued tenor for the season to date.

Ok. But the gfs probably did have about 7 inches of snow on that run for the swfe. The problem with the gfs is its lack of ability to diagnose the warm nose. The gfs reg and nam could show the same general solution but the others will more properly show ip ahead of zr/r. 

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This is a fun AFD

Wintry weather. Preference to recent run-to-run consistent EC which
the 07.0z GFS has caught up and Canadian agrees. So assume a double-
barrel low setup, the surface coastal low track, as well as the H925
to H7 low, important with precip-types for S New England with warm-
moist air trowaling. If you can close a low up through H7 closer to
the coast, it`ll hold back warmer air entrenching further W across
the interior. One of the bigger variables as to outcomes. Otherwise
indications that this storm system will have plenty of moisture to
work with, sub-tropical connections, undergoing isentropic ascent
beneath an accompanying jet-streak out ahead of a potent negatively-
tilting H5 vortmax. Plenty of QG-forcing, deep layer ascent through
the snow growth region, all about the strength and morphology of the
system, the draw of precipitable waters presently modeled above an
inch per 07.0z GFS, convergently low-level focused / forced beneath
stout dynamics aloft, and lastly thermal fields including cold air
damming out ahead from SE Canadian Arctic high. Seems like a classic
forward running baroclinic leaf with a parent comma-occluding low
center immediately W. ECens 24-hour snowfall probabilistics note-
worthy. Will await better forecast model consensus and follow CIPS
analogs in tandem before going into more detailed, threat / impact
centric discussion. Hold onto your cards, wait for a better hand.
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11 minutes ago, dryslot said:

Clipper behind that systems on the GFS next Friday too, At least it looks to be active.

Even if one tries to give up, the pattern is so active it won't let you.....this winter....

 

"she's not gonna let us out"

 

 

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