January 26, 2023

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Weather News & Forecast

11:45 AM | ***Western Atlantic storm…snow/ice eastern New England…California storms to wind down…large-scale pattern change unfolds across North America*** — Arcfield Weather

2 min read

California pounded again today…weaker system at mid-week and then welcome relief with large-scale pattern change

Yet another in a series of storms is impacting California today with heavy rainfall in low lying areas, heavy snow in the mountains, and strong winds throughout the Golden State.  As has been the case with the most recent storms, localized flooding is a big concern given the already well-saturated grounds and strong winds can bring down some tree limbs with scattered power outages a continuing threat. After a break on Tuesday, another storm system is likely to arrive at mid-week. This next system, however, should be considerably weaker than the recent storms.

By later in the week, a large-scale pattern change will unfold across North America. This change in the upper atmosphere will feature high pressure ridging to extend from the eastern Pacific/US west coast northward to Alaska. As a result, the stormy pattern in California, Oregon and Washington will come to an end with protection from the developing ridge over the eastern Pacific Ocean.  This pattern change will lead to other important changes as well across the nation.  Specifically, an upper-level trough of low pressure will form over the central part of the US and Canada by early next week and likely slowly expand into the eastern states.  A third feature on the weather maps by later next week will be persistent ridging of high pressure over the western Atlantic Ocean/Southeast US.

Paul Dorian

2023-01-16 16:33:52

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