The week began on the cold side with high pressure in control and it’ll stay seasonably chilly during the next couple of days with more sunshine on tap in the Mid-Atlantic region. Low pressure and its associated cold frontal system will then impact the area with rain from later Thursday into Friday morning before high pressure - and a fresh, chilly air mass - returns for the first half of the upcoming weekend.
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After the busted snowfall forecast of late Friday night/early Saturday and the chilly remainder of the weekend, the new work week will begin on the cold side and high pressure will ensure plenty of sunshine throughout the Mid-Atlantic region. It’ll remain seasonably chilly over the next couple of days with high pressure remaining in control and there should be a continuation of dry, sunny conditions. Low pressure is then likely to impact the area with rain from later Thursday into Friday morning before high pressure and a fresh, cold air mass returns for the weekend.
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A cold front that passed through the region last night has set up shop in the southern Mid-Atlantic region and low pressure will slide along the frontal boundary zone resulting in accumulating snow all along the DC-to-Philly-to-NYC corridor from later this evening into early Saturday. While there will be limited moisture available to this system, and it’ll be a fast-mover, a strong and still-strengthening upper-level jet streak will enhance upward motion in the DC-to-Philly-to-NYC corridor and the result will be several inches of snow in many spots by Saturday morning. Contrary to the storm earlier this week, this upcoming system will encounter an established cold, dry air mass on its front side meaning snow will be the dominate precipitation type all the way down to the DC metro region.
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A cold front passed through the region last night and ushered in a reinforcing chilly air mass with high pressure taking (brief) control of the weather around here as we close out the work week. Low pressure will ride along that frontal boundary zone over the next 24 hours or so and there will be accumulating snow from later this evening into early Saturday morning. Snowfall estimates are 2-4 inches by early tomorrow morning in the DC metro region with isolated higher amounts possible and the snow should be of the light and fluffy texture…not the heavy, wet stuff of earlier in the week. The remainder of the weekend should be cold, breezy and dry with temperatures slightly below-normal for the middle of February and then a warm-up ensues early next week.
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A low pressure system will slide to our north later today and pull a strong cold front through the region which will usher in a reinforcing cold and dry air mass to end the work week. The passage of the front this evening will likely be accompanied by gusty winds, snow showers, and perhaps even a heavier snow squall or two across much of upstate Pennsylvania and New York State. The cold front will then will set up shop on Friday in the southern Mid-Atlantic region and low pressure will slide along the frontal boundary zone resulting in accumulating snow all along the DC-to-Philly-to-NYC corridor from later tomorrow evening into early Saturday. While there will be limited moisture available to this system and it’ll be a fast-mover, a strong and strengthening upper-level jet streak will enhance upward motion in the DC-to-Philly-to-NYC corridor and the result will be a few inches of snow by early Saturday morning. Contrary to the storm earlier this week, this upcoming system will encounter an established cold, dry air mass on its front side meaning snow will likely be the dominate precipitation type all the way down to the DC metro region.
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A low pressure system and its associated cold front will cross the Mid-Atlantic region later tonight possibly generating an evening rain shower and then high pressure returns on Friday. Low pressure will ride along that frontal boundary zone by the early part of the weekend and there can be some accumulating snow around here from later Friday evening into early Saturday morning and then the rest of the weekend to follow will be rather cold and breezy. Preliminary snowfall estimates are 2-4 inches by early Saturday morning in the DC metro region…isolated higher amounts are possible.
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After yesterday’s combination of rain and snow, high pressure returns to the region for today and it’ll be cold and breezy with highs confined to the low-to-mid 40’s. A clipper low pressure system and its associated cold front will cross the Mid-Atlantic region tomorrow night possibly generating a rain shower here and then high pressure and slightly colder air returns for the end of the work week. Low pressure will ride along that frontal boundary by the early part of the weekend and there can be some accumulating snow here from Friday night into Saturday morning and the rest of the weekend to follow will be quite cold and breezy.
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A dynamic storm system is impacting the Mid-Atlantic region this morning with an infusion of cold air from the northwest causing a transition to sleet and/or snow in many areas from the overnight rainfall. It is possible that a burst of heavier snow and/or sleet takes place during the next couple of hours which can quickly have an impact on roadway conditions. The afternoon should turn out dry, but the winds will remain a factor gusting up to 40 mph or so. Accumulation amounts of a trace in areas just to the south and east of DC metro to as much as 2-3 inches in some of the far northern and western suburbs are on the table before the precipitation winds down by late morning. High pressure takes over at mid-week with moderately cold conditions expected.
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A very dynamic storm system is headed to the Mid-Atlantic region and Northeast US and it is going to produce sleet and significant accumulating snow in many sections with an impact on at least part of the Tuesday morning commute…and “thundersnow” is even on the table. There is no real cold air established for the onset of the approaching storm so precipitation arrives this evening in the form of rain all along the immediate DC-to-Philly-to-NYC corridor. However, as the surface low intensifies off the Mid-Atlantic coastline early Tuesday, colder air will get quickly wrapped into the system from the north and west, winds will intensify, and there will be a changeover from rain-to-sleet-to-snow. Significant accumulations of snow are likely on Tuesday morning across Pennsylvania, central/northern New Jersey, and in the New York City metro region. There can even be some accumulations early tomorrow across northern Maryland and all the way into the northern and western suburbs of Washington, D.C.
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A potent storm system will push out of the Tennessee Valley later today and up the Appalachians before transferring to an intensifying coastal storm by later tonight. Rain will overspread the region this evening and then possibly mix with sleet and snow by morning across the northern and western suburbs and continue as a mix on Tuesday morning….a coating to an inch or two is possible. High pressure returns for the mid-week time frame with breezy and cold conditions.
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