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Sunny & Seasonal to End the Week, BUT an Arctic Assault is on the Way for Wednesday!

Cold Weather by Wednesday!

 

Good Morning,

 

We've got some dry and seasonably cold weather this morning... and a whole lot less wind, because the low pressure system responsible for Saturday's snow continues to drift out into the North Atlantic...

A weak ridge of high pressure will temporarily be in control of the weather pattern, although the satellite imagery early today is showing areas of low clouds in eastern Pennsylvania and across parts of upstate New York... Because there won't be very much wind today, it'll be difficult for any sufficient mixing to occur, and for clouds to get 'stirred out' of those places that will be overcast at daybreak...

But, there will be a few glimpses of sun for a while today, especially along the immediate coastline — and that sun will tend to fade behind increasing clouds from midday on... Most temperatures will be in the upper 30s this afternoon, but it won't "feel as harsh" as it did yesterday, because of the lack of strong wind gusts...

Tonight, for New Year's Eve festivities, we'll be watching for some spotty, light precipitation across the Northeast and in the mid Atlantic states... Some slightly warmer air moving in aloft on a southwesterly wind could bring with it a few flurries late tonight, and there may even be a steadier snow shower in a few areas (especially in those places that are located away from the coast, and north/west of I-95)...

Tomorrow, the leading edge of some colder air may bring with it a few flurries and sprinkles... Southwest winds should keep the temperature from falling below the freezing mark tonight, and that will provide the mercury with a sort of 'springboard' for tomorrow — with many places winding up in either the upper 30s or the lower 40s in the afternoon... But, after that, there will be partial clearing and some noticeably colder air should be arriving on New Year's Night... Expect temperatures to plunge into the 20s (even the teens in the typically colder spots) late Tuesday night, and then Wednesday and Thursday will be dry, but cold... Many temperatures during midweek will be in the low or mid 30s, even despite some sunshine...

The core of the coldest air in eastern North America, or the "polar vortex" appears as if it will be across Quebec and in northern New England... Therefore, we don't think that the coastal cities will experience a "brutal" cold snap, but this should still provide us with the season's coldest air thus far... And, while we're not anticipating any major storms / precipitation events this week, the initial push of arctic air during the Wednesday/Thursday time frame will be followed by a reinforcing shot of cold air on Friday...

There'll be a 'clipper-type' disturbance located in the Great Lakes Thursday, which will probably be dragging a cold front across the Northeast and mid Atlantic states on Thursday night... And, that will probably make Friday the coldest day of the upcoming week — even if temperatures are just two or three degrees lower than Wednesday or Thursday...

Have a good day!!!

 

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