High pressure will be in control as we begin a new work week and it’ll drift offshore by mid-week. As a result, the week starts off quite cold, but turns milder on Wednesday and Thursday. An influx of Arctic air and its associated slow-moving cold front will have a big impact on a wide part of the nation this week and it’ll bring rain here by Thursday. Colder air will follow the frontal passage and we’ll have to monitor the chance of a changeover from rain to ice and/or snow later this week as the Arctic air filters into the region.
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Many ingredients are going to come together that will allow for explosive intensification of a storm system over the western Atlantic Ocean between mid-day today and late Saturday. In fact, it appears that this low pressure system will easily surpass the requirement of a central pressure drop of at least 24 millibars in a 24-hour period to be classified as a “bomb cyclone”. Some snow is likely to break out today across the Mid-Atlantic and Northeast US and then the main event will come tonight and Saturday from this intensifying storm. Very cold air will push into the eastern states during the height of the storm on Saturday and it’ll be bitter cold tomorrow night with brutal wind chills. This Arctic blast will plunge all the way down to southern Florida and even to Cuba. Miami is likely to experience lows in the 30’s this weekend for the first time since 2010.
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An ocean storm will intensify rapidly over the next 36 hours or so and it will have a big impact on the Northeast US and also on much of the eastern Mid-Atlantic region. Some snow will break out here this morning associated with an Arctic front and small accumulations are likely...watch fr slippery spots on the roads. The steadier and heavier snow associated with the developing storm should fall from this evening into mid-day Saturday. The winds will increase in intensity as well during this storm as a very strong pressure gradient will form between the strengthening low pressure and strong high pressure over southeastern Canada. A very cold (and dry) air mass will be in place during much of the storm resulting in a drier, fluffier type of snow and temperatures tomorrow night can plunge to the upper single digits in some spots. In fact, this cold air mass will dive all the way down into southern Florida this weekend on the heels of the storm. The estimate for snow accumulations across our region is 3-8 inches with the higher amounts in that range to the south and east and the lesser amounts to the north and west. Coastal New Jersey is in store for an all-out blizzard with at least 8-16 inches of snow and tremendous winds. A couple of notes, there is likely to be a sharp snow accumulation gradient with this storm and a small shift in the currently projected storm track and/or the timing of the intensification can make a big difference in these snowfall estimates in a given spot.
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Many ingredients are going to come together that will allow for explosive intensification of a storm system over the western Atlantic Ocean between mid-day Friday and late Saturday. In fact, it appears that this low pressure system may rather easily surpass the requirement of a central pressure drop of at least 24 millibars in a 24-hour period to be classified as a “bomb cyclone”. Some snow is likely to break out during the day on Friday across the Mid-Atlantic and Northeast US as an Arctic cold frontal system arrives and small accumulations are even possible. The main event by the rapidly intensifying ocean storm will take place on Friday night and Saturday. Very cold air will follow on its heels later this weekend all the way down to the southern part of Florida where Miami could see lows in the 30’s for the first time since 2010.
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Many ingredients are going to come together that will allow for explosive intensification of a storm system over the western Atlantic Ocean between mid-day tomorrow and mid-day Saturday. In fact, it appears that this low pressure system may rather easily surpass the requirement of a central pressure drop of at least 24 millibars in a 24-hour period to be classified as a “bomb cyclone”. The ultimate track of the storm is still somewhat unclear at this time, but snow accumulations are likely in the Mid-Atlantic region from later tomorrow into Saturday. The preliminary estimate for snow accumulations across our region is 3-8 inches with the higher amounts in that range to the south and east and the lesser amounts to the north and west. A couple of notes, there is likely to be a sharp snow accumulation gradient with this storm and a small shift in the currently projected storm track can make a big difference in these preliminary snowfall estimates…i.e., still a fluid situation so stay tuned.
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Many ingredients are going to come together that will allow for explosive intensification of a storm system over the western Atlantic Ocean between mid-day Friday and mid-day Saturday. In fact, it appears that this low pressure system may rather easily surpass the requirement of a central pressure drop of at least 24 millibars in a 24-hour period to be classified as a “bomb cyclone”. The exact timing of the rapid intensification and the ultimate track of the storm are still somewhat unclear at this time and while a significant impact appears quite likely for eastern New England, there is a chance that at least part of the Mid-Atlantic region escapes with only a moderate or minor impact.
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An Arctic air mass has pushed into the Mid-Atlantic region and the next couple of days will feature well below-normal temperatures for the latter part of January. The core of the coldest air will be in place late tonight and late night temperatures lows will likely drop to the lower teens in much of the region. Low pressure will form near the southeastern US coastline on Friday and enter a rapid intensification phase as it moves to the northeast at week’s end. Snow is likely to break out here later Friday and continue into Saturday from what is looking increasingly likely to be an unfolding intense ocean storm with wide-ranging impacts. It is still a bit too early to determine the ultimate storm track and exactly when the explosive intensification will take place, but all residents in the Mid-Atlantic/Northeast US should continue to closely monitor this unfolding situation.
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A cold and active weather pattern will continue this week across the eastern US and there is continued potential for an intense ocean storm at week’s end. Many ingredients are likely to come together at the end of the week that will allow for explosive intensification of surface low pressure somewhere off the US east coast. These ingredients include the following: strong jet streaks in the northern and southern branches of the jet stream, plenty of very cold air to the north and west, relatively warm waters in the western Atlantic, and deepening low pressure aloft that will at some point take on a “negative” tilt in its axis orientation. It is still a bit too early to determine the ultimate storm track and exactly when the explosive intensification will take place, but all residents in the Mid-Atlantic/Northeast US should continue to closely monitor this unfolding intense ocean storm scenario.
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A cold and active weather pattern will continue this last full week of January across the eastern US and there is the potential for an important ocean storm early this weekend. Any impact in the Mid-Atlantic region would likely be in the late Friday/Saturday time frame and it will largely depend on the ultimate track of the storm and its intensification rate. Many ingredients are going to come together at the end of the week that will allow for rapid intensification of surface low pressure, but whether it pushes far enough offshore for just a minimal impact around here or comes closer to the coast with a bigger impact remains unclear at this point…stay tuned.
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A cold and active weather pattern will continue this last full week of January across the eastern US and there is growing potential for an important ocean storm early this weekend. Any impact in the Mid-Atlantic region would likely be in the Friday night/Saturday time frame and it will largely depend on the ultimate track of the storm and its intensification rate. Many ingredients are going to come together at the end of the week that will allow for explosive intensification of surface low pressure including the following: jet streaks in the northern and southern branches of the jet stream, plenty of cold air to the north and west, and deepening low pressure aloft that takes on a “negative” tilt. At this time, it is just too early to tell if this ocean storm will track well off the coast, close in or perhaps even ends up taking a slightly inland track which is a scenario that is still on the table though not too likely. It certainly looks like it’ll be an interesting next few days as we track this growing threat.
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