…Strong nor’easter to impact portions of the northern Mid-Atlantic and
southern New England today with areas of heavy snow, strong winds, and
coastal flooding…
…New storm system to arrive across the Northwest over the next couple of
days which will bring locally heavy rain and mountain snowfall…
A strong nor’easter will be rapidly pushing east and away from the
Mid-Atlantic coast this morning and well out to sea by later today. The
storm will continue to rapidly deepen and will promote areas of snow, or
rain changing to snow early this morning across south-central to eastern
Pennsylvania, central and northern New Jersey, and southern New England.
The axis of heaviest snowfall is expected from eastern Pennsylvania,
including the Lehigh Valley, through northern New Jersey, far southeast
New York, and southern New England. This will include the greater New York
City metropolitan area. Some areas especially over southern New England
are expected to see as much as 6 to 12 inches of snow, with lesser amounts
of 3 to 6 inches elsewhere, and this heavy snow is expected to produce
locally significant travel disruptions. Strong winds are expected on the
back side of the departing low center, and this coupled with the heavy,
wet snow may result in downed trees and power lines which will result in
concerns for power outages. Some coastal flooding will also be possible
today during high tide along the northern Mid-Atlantic and southern New
England coasts.
Meanwhile, there will be a weak storm system crossing the central Plains,
Midwest, and Great Lakes region on Wednesday and Thursday. Despite the
relative lack of cold air for this system to work with, there will be a
swath of locally a few inches of snow, with some rain closer to the track
of the low pressure center.
A new storm system will also be arriving in from the Pacific Ocean for
Wednesday and Thursday which will bring in a new surge of moisture and
areas of locally heavy precipitation. This will include heavy rainfall for
the coastal ranges of the Pacific Northwest and down into northern
California. Locally a couple inches of rain can be expected. Farther
inland over the higher terrain of the Cascades, Sierra Nevada, and
gradually the northern Rockies, this precipitation will fall as heavy
snow. As much as 1 to 2 feet of new snow with isolated heavier amounts can
be expected going through Thursday.
The remainder of the country going through the middle of the week will be
rather dry and tranquil. Temperatures for large areas of the Midwest will
continue to be above normal, with temperatures somewhat below normal for
the Northeast and Intermountain West. There will be the beginning of a
surge of at least modified Arctic air from Canada by late Wednesday and
Thursday into the northern High Plains, and this will set the stage for
even colder temperatures anomalies arriving by the latter part of the week.
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