Area Forecast Discussion
National Weather Service Burlington VT
1014 AM EDT Mon Mar 25 2024
LONG TERM /THURSDAY THROUGH SUNDAY/...
As of 319 AM EDT Monday...Deep full
latitude mid/upper
lvl trof acrs
the central Great Lakes into the southern Appalachian
Mtns wl slowly
shift eastward, while
sfc boundary becomes stationary along the East
Coast. Secondary s/w energy is
progged to dive southward and develop
low
pres along the boundary on Thurs, while mid/upper
lvl trof axis
becomes negatively tilted. The timing of
sfc low
pres and associated
strength, along with how quickly mid/upper
lvl trof becomes
negatively tilted
wl have greatly influence our
wx. Latest
GFS/
ECMWF
and CMC all show some sort of coastal
sfc low
pres track
east/southeast of the 40/70
benchmark, but several
ensemble members
of the
ECMWF and
GFS show potential for a western track and
spreading greater precip back into the eastern Dacks/CPV late week.
Given the magnitude and potential for a negatively tilted
trof,
latest trends in guidance
wl need to be watched closely for the
potential of greater impacts
acrs our
cwa.
Thermal profiles suggest
ptype would depend upon elevation. For now have continued with
chc
pops east/central
cwa with schc northern NY. Given the large spread
in guidance, especially the
ensemble data, I would anticipate
additional tweaks needed to the
fcst over the next couple of days.
As we head into next week, guidance is in relatively good agreement
with development of mid/upper trof and cooling temps associated with
northwest flow. This would have the potential for some upslope
precip, probably in the form of snow showers for the mtns. Temps
cool back into the upper 20s summits to lower/mid 40s valleys by
next weekend.