models, particularly the Hi-res NAM, suggest that a low level E/NE
ageostrophic component to the wind persists through mid morning
Friday. This may tend to lock in the low level cold air across
portions of the southern Adirondacks, Mohawk Valley and SE VT,
especially once reinforced by wet bulb cooling. For these areas,
have raised ice accretion to 0.10-0.25", with locally higher amts
possible. Combined with some wind later tonight, have added mention
of isolated power outages to these areas within the WSW statement.
Elsewhere, expect ice accretion of a trace to up to one tenth of an
inch, with no ice currently expected within the mid Hudson Valley
region.
There remains some concern given such low initial dewpoints this
afternoon, and with the aforementioned low level E/NE ageostrophic
wind component, that freezing rain may linger in some areas,
particularly north of I-90, well into Friday morning or closer to
noontime. If this potential increases, then the end times of current
Winter Weather Advisories may need to be extended until closer to
noon. This potential would be greatest within portions of the
central/eastern Mohawk Valley extending into the Lake
George/Saratoga region, as well as across extreme SE VT.