Discussion: We continue to monitor a Sudden Stratospheric Warming Event (SSWE) over the Arctic Ocean. Over the next few days we’re really going to see 10mb (stratospheric) height anomalies flex up that way. This squashes the tropospheric Polar Vortex (PV)
Discussion: A shortwave that came off the Pacific (over California) will phase with a northern stream shortwave over the southern central US and depart over the Atlantic Ocean. The surface low of interest will form “miller-A” style out of the northern
Discussion: Upper-level low energy, that influenced the departing system from this weekend, is moving out to sea as well. A trailing upper-level shortwave will dive in and keep the first part of this week cold. The coldest bottom point looks
Discussion: As low pressure slides by to our S (from W to E) high pressure is sliding by to our N (also from W to E). The low is drawing up the warmer moisture while the high is pushing down the
Discussion: Our upper-level disturbance is moving out and above-average 500mb height anomalies will fill the void. That is until another, but stronger, upper-level disturbance slides through to our S this weekend. At the surface this should mean a cloudy and
Discussion: Trends in the last 24 hours indicate a slightly northern track in the upper-level low and surface moisture beneath as well as earlier timing. The upper-level low looks to pass from W to E over the NY State/PA border and
Discussion: Every once in a while a sneaky light snow event comes out of nowhere. It might be from ocean-effect snow, a larger system trailing mid-level (700-850mb) disturbance, a strong lake-effect squall, etc. In the case of this Thursday PM it
Discussion: 500mb heights should remain below-average for much of this week. A trailing shortwave should reinforce the cold Tuesday night/Wednesday morning at the surface. We should then moderate for a likely-wet weekend. There’s cold air aloft and the ocean is
Discussion: This article will act as both the weekend outlook and winter storm discussion for the Sunday-Monday period. A weak cold front will push through between tonight and early tomorrow morning. Aside from the start of colder weekend temperatures a few
Discussion: We have two opportunities for snow this week. I don’t need to tell you that colder air is in place and it will stay over the Mid-Atlantic US well into next week. The first opportunity will likely be a very
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