The weather will be nice for today's Yankees playoff game with Houston, but tomorrow night's game is in doubt as soaking rain is on the way. A vigorous upper-level low will drop southeastward across the Great Lakes on Wednesday and will help to set off the formation of a powerful coastal low along the east coast. This low will intensify on Wednesday and begin to impact the Mid-Atlantic region with significant rainfall – something that hasn’t been seen much in recent weeks. The storm will continue to intensify as it rides up along the Northeast US coastline late Wednesday into Wednesday night bringing with it heavy rainfall, strong winds and ultimately, even a change to snow in some of the higher elevations of New England. Following the storm, winds will be quite strong on Thursday in the Mid-Atlantic region and temperatures will struggle to escape the 50’s in many areas.
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A vigorous upper-level low will drop southeastward across the Great Lakes on Wednesday and will help to set off the formation of a powerful coastal low along the east coast. This low will intensify on Wednesday and begin to impact the Mid-Atlantic region with significant rainfall – something that hasn’t been seen much in recent weeks. The storm will continue to intensify as it rides up along the Northeast US coastline late Wednesday into Wednesday night bringing with it heavy rainfall, strong winds and ultimately, even a changeover to snow in some of the higher elevations of New England. Following the storm, winds will be quite strong on Thursday and temperatures will struggle to escape the 50’s in much of the Mid-Atlantic and Northeast US.
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The big story of the week weather-wise is the likelihood for a significant rain event here on Wednesday - something we haven't seen much of in recent weeks. High pressure will build into the area for the next couple of days, but a frontal system will then approach the region at mid-week from our northwest. In addition, low pressure will pull out of the south-central states and head towards the Mid-Atlantic coastline and these two systems will combine into a powerful storm for the NE US. There will be periods of rain on Wednesday and some of it can be heavy at times with the total rainfall amounts likely increasing as one goes up along the DC-to-Philly-to-NYC-Boston corridor. Following the passage of the mid-week storm, it’ll turn quite cool and windy on Thursday with highs likely confined to the upper 50's.
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Low pressure continues to spin off the Mid-Atlantic coastline, but most of its impact will remain to our east. A west-to-east moving cold front will arrive late Saturday and finally help to push the western Atlantic low pressure system farther out to sea. A weak disturbance could throw some clouds and showers our way later Sunday or on Sunday night. The overall pattern will remain on the cool side going through the early and middle parts of next week.
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Low pressure will continue to strengthen off the Mid-Atlantic coastline today and it’ll generate windy, damp and cool conditions around here with occasional showers. A west-to-east moving cold front will arrive late Saturday and finally help to push the western Atlantic low pressure system farther out to sea. The frontal passage will also maintain an overall relatively cool weather pattern here through the early and middle parts of next week.
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A very active weather pattern across North America will bring a tremendous early season shot of cold air and accumulating snow to the region from the Rockies to the Northern Plains over the next few days and two systems off the east coast will merge into one powerful storm just off the Mid-Atlantic/NE US coastlines. The cold front that passed through the Mid-Atlantic region earlier this week has stalled out over the western Atlantic and low pressure has formed along its boundary zone. Another low pressure system has formed a few hundred miles off the South Carolina coastline and is already producing winds near tropical storm strength. Ultimately, this second system is likely to merge with the “frontal boundary zone” low pressure system just to its north and form one powerful storm. A west-to-east moving cold front will arrive late Saturday and finally help to push the Atlantic low pressure system farther out to sea. It will also maintain an overall relatively cool weather pattern through the early and middle parts of next week.
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A cold front has slipped through the region to a position over the NW Atlantic where low pressure will intensify over the next 12-24 hours along its boundary zone. The strong low pressure system will meander just offshore over the next few days and some clouds and rain will back into the I-95 corridor at times. A west-to-east moving cold front will arrive this weekend and finally help to push the Atlantic low farther out to sea. It will also maintain the cool weather pattern going into the early and middle parts of next week.
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A cold front will slowly close in on the east coast today and it’ll result in occasional rain throughout much of the eastern US. As the front stalls out over the western Atlantic on Tuesday, low pressure will form along the boundary zone and this system could impact the region with clouds and possible showers on Tuesday, Wednesday and Thursday. A cool front will arrive from the west this weekend finally pushing the low pressure system away from the northwestern part of the Atlantic and another comfortable air mass will move into the Mid-Atlantic.
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The coolest air of the season so far will push into the region today on stiff north winds and temperatures by early tomorrow should be near the 40 degree mark in many suburban locations. Despite plenty of sunshine on Saturday, it’ll stay quite cool with high pressure to our north remaining in control. This ridge of high pressure will slide off the coast on Sunday allowing for somewhat warmer air to push into the area from the southwest ahead of the next frontal system. As the front slowly pushes towards the region on Monday, the chance for rain will increase along the eastern seaboard. Another cool air mass will follow the frontal passage in the Mid-Atlantic region for Tuesday and Wednesday of next week.
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Temperatures on Wednesday afternoon were in record territory for the date in much of the Mid-Atlantic region and, in some cases, October monthly high temperature records were threatened or broken. In the overnight hours, however, a dramatic change in air mass has taken place in areas north of the PA/MD border as a back-door cool front dropped north-to-south across the region. Temperatures this morning across the northeast US were as much as 25 degrees colder compared to yesterday morning at the same time and they are likely to go nowhere over the next few hours in places like Philly and NYC. The cool air sticks around into the weekend and then it’ll turn a bit warmer early next week and that warm up could be associated with a significant rain event in the I-95 corridor.
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