Mid-Atlantic/Northeast US/Midwest: A storm that has already been a news making event in the Southwest US for its unusual snowfall will undergo explosive intensification this weekend and continue to make news as it’ll have major ramifications across much of the rest of the nation. Low pressure is heading northeastward today from the southern Plains and towards the Great Lakes and it will generate blizzard conditions all along the way. This system has the potential to strengthen over a 36-hour period from around 999 millibars this morning to near 971 millibars by late Sunday and it can result in monthly record low pressure readings in parts of the Great Lakes region.
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Mid-Atlantic/Midwest/Northeast US: A storm that has already been a news making event in the Southwest US for its unusual snowfall will undergo explosive intensification this weekend and continue to make news as it’ll have major ramifications across much of the rest of the nation. Low pressure will pull out of the Southwest US early Saturday and begin to rapidly intensify as it starts a push to the northeast and towards the Great Lakes region where it will become an all-out blizzard. This system has the potential to strengthen over a 36-hour period from around 995 millibars (29.38 inches) early Saturday morning to near 973 millibars (28.73 inches) by late Sunday and it can ultimately result in monthly record low pressure readings in the Great Lakes region.
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A rapidly intensifying storm this weekend will become an all-out blizzard for the Great Lakes and it will have big implications for our weather here in the Mid-Atlantic region. Rain is likely to overspread the NYC metro region early tomorrow night and evolve into a real soaker by late tomorrow night - perhaps even with a rumble or two of thunder. The rain will taper off by mid-day on Sunday and then much milder air will flow northward up along the eastern seaboard on increasingly strong winds. In fact, Sunday afternoon could turn out to be quite a spring tease with temperatures climbing to near 60 degrees. However, the warmth will be rather short-lived and those increasingly strong winds on Sunday afternoon will intensify from Sunday night into mid-day Monday with potentially damaging wind gusts of 50-60 mph.
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A rapidly intensifying low pressure system will head towards the Great Lakes region this weekend from the southern Plains and it could very well become a news making event with wide ranging ramifications over a large area. This system has the potential to deepen to around 978 millibars (28.88 inches) or so by the time it reaches the Great Lakes early Sunday which may be close to monthly record low pressure values for portions of Michigan. Blizzard conditions are likely to accompany this powerful storm system this weekend over the Upper Midwest and Great Lakes. Farther east, rain will spread northeastward from the Mississippi and Tennessee Valleys and into the Mid-Atlantic region later Saturday and continue into early Sunday. Once the rain ends on Sunday, temperatures have a chance to spike to 60 degrees or higher in the DC-to-Philly-to-NYC providing us with a spring tease, but the warm up won’t last too long as colder air returns for the early part of next week.
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It’ll turn noticeably milder today following yesterday’s wintry event and high pressure will build into the region and control the weather around here through Friday. Very strong low pressure will move across the Great Lakes this weekend and bring us rain from later Saturday into early Sunday. Once the rain pulls away on Sunday, temperatures could soar to 60 degrees in the afternoon, but the warm up will be brief as colder air returns for the early part of next week.
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Snow began early this morning across the DC metro region and arrived during the mid-morning hours in Philly. Snow should break out during the mid-day/early afternoon hours in the NYC metro region. The snow will vary in intensity across the DC metro region for the next couple of hours and then transition to sleet and/or freezing rain during the mid-day or early afternoon. In Philly, the snow will become moderate-to-heavy at times for the mid-day and early afternoon hours and could begin the transition to sleet and/or freezing rain late this afternoon. All indications are that surface temperatures will stay at or slightly below freezing into the early evening hours in areas to the north and west of Route 95 from DC-to-Philly-to-NYC. This will keep the threat for icing intact right into the early evening in suburban locations along the I-95 corridor.
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A major winter storm will impact the Mid-Atlantic region today and tonight with accumulating snow on its front end before a changeover to ice and rain. An initial (primary) low pressure system will head towards the western Great Lakes today and a secondary low pressure will form near the Mid-Atlantic coastline. Another key player is strong, cold high pressure currently situated over New England and it will anchor cold, dense low-level air that will be reluctant to give up its ground. Snow is likely to break out by mid-day to early afternoon in the NYC metro region and can become moderate-to-heavy at times with accumulations expected on the order of 2-4 inches by late in the day (higher amounts in that range to the west, lower amounts to the east). By early tonight, milder air will advance into the region as winds turn more to the southeast and this should result in a changeover from snow to sleet and freezing rain and then ultimately to plain rain by late tonight. The low pressure system moves away on Thursday and allows for high pressure to build in from the west and temperatures could actually climb to 50+ degrees during the afternoon hours.
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Mid-Atlantic: A major winter storm will impact the Mid-Atlantic region on Wednesday and Wednesday night with significant accumulating snow on the front end in many areas before a changeover to ice and rain. An initial low pressure system will head towards the western Great Lakes on Wednesday and a secondary low pressure will form near the Mid-Atlantic coastline. Another key player will be strong cold high pressure that will be situated to our north at the beginning of this mid-week event and it will anchor cold, dense low-level air that will be reluctant to give up its ground. Snow should break out in the early morning hours on Wednesday in the DC metro region, around mid morning in Philly, and then during the mid-day or early afternoon hours in NYC.
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*A major winter storm will impact the Mid-Atlantic region on Wednesday with accumulating snow on the front end in many areas before a changeover to ice and rain.* An initial low pressure system will head towards the Great Lakes on Wednesday and a secondary low pressure will form near the Mid-Atlantic coastline. Another key player will be strong cold high pressure that will be situated to our north at the beginning of this mid-week event and it will lock-in cold, dense low-level air. Snow should break out by mid-day to early afternoon (10AM-1PM) in the NYC metro region. By late Wednesday afternoon or early Wednesday night, milder air will advance into the region as winds turn more to the southeast and this should result in a changeover to sleet and freezing rain and likely to plain rain by late Wednesday night. Accumulations expected on the order of 2-4 inches before the changeover. The low pressure areas moves away on Thursday and allows for high pressure to build in from the west.
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A major winter storm will impact the Mid-Atlantic region on Wednesday with significant accumulating snow on the front end in many areas before a changeover to ice and rain. An initial low pressure system will head towards the Great Lakes on Wednesday and a secondary low pressure will form near the Mid-Atlantic coastline. Another key player will be strong cold high pressure that will be situated to our north on Wednesday and it will lock-in cold, dense low-level air - at least at the onset of this mid-week event. Snow should break out in the early morning hours on Wednesday in the DC metro region, then by the mid-to-late morning hours in Philly, and finally during the mid-day or early afternoon hours in NYC.
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