“Several cities across the region encountered a top-five
warmest meteorological summer (June through August) on record. The pattern of
well-above-average temperatures continued into September, but that is all about
to change this weekend. The warmth will come to an abrupt halt as a cold front
pushes through the Northeast.”
Areas around New York are expected to see mainly around the
60’s and 70’s on Saturday, with cold airs continuing to more southward. As
Sunday hits in the morning it the low will be 40 and as it moves through the
day the high will be around 70.
“A ridge of high pressure (bulge in the jet stream) that was
responsible for the well-above-average temperatures of late has weakened and
moved eastward.
Meanwhile,
a trough of low pressure (dip in the jet stream) continues to sink southward
from Canada replacing the departing ridge.
This
allows much cooler air from Canada to move southward over the northeastern U.S.
through the weekend.”
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