There will be an influx of milder air today ahead of an approaching cold front and temperatures should make it well into the 40’s this afternoon. Low pressure will form along this advancing frontal boundary zone and rain showers are likely to arrive later this afternoon and continue into the evening hours. As colder air pushes in later tonight, the rain is likely to change to snow before ending with a coating to an inch possible by morning and there can be ice pellets mixed in during the transition. Following the passage of the cold front, it’ll turn quite cold tomorrow and stay cold on Saturday and then snow and/or rain will threaten the NYC metro region on Super Bowl Sunday. The rain/snow line will be close to the immediate I-95 corridor and a possible scenario is snow at the onset and perhaps at the back end and rain in between.
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The next couple of weeks promise to be quite active in the Mid-Atlantic region with the likelihood of multiple precipitation events. One of the main culprits to this unfolding active pattern will be a sharpening temperature gradient very cold air to our north and west and moderate air to our south and east. This “battle zone” region will feature many low pressure systems in coming days as the temperature gradient will become a natural draw for moisture.
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High pressure will be in control today in the Mid-Atlantic region, but it’ll be quite cold with highs confined to the 30’s. Tomorrow will see an influx of milder air ahead of an approaching cold front and temperatures should make it into the 40's. Low pressure will form along the advancing frontal boundary zone and rain is likely to arrive here later in the day. As colder air pushes in tomorrow night, the rain is likely to change to snow before ending by early Friday morning. Following the passage of the late week cold front, it’ll stay quite cold on Friday and Saturday and then snow and/or rain will threaten the NYC metro region on Sunday.
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Vigorous upper-level energy is moving nearby this morning and the result is snow for the metro region and small accumulations are likely. After a relatively mild start to the week, temperatures today are going to hold in the 30’s as a new (and colder) air mass arrived in the overnight hours. High pressure will return to take control for the mid-week and then a strong cold front and associated low pressure system will arrive late in the work week and this could result in a “rain-changing-to-snow” scenario for Thursday night into Friday morning.
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A cold front passed through the region on Sunday and low pressure will form today along this frontal boundary zone. This low will push off the coast to our east, but a vigorous wave of upper-level energy will move overhead by early tomorrow morning and likely produce some snow in the region with minor accumulations possible. High pressure will return to take control for the mid-week and then a strong cold front and associated low pressure system will arrive on Thursday night and Friday with rain changing to snow possible.
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High pressure will remain in control of the weather as we end the work week, but it will shift to off the east coast by tomorrow and this will open the door for milder air in the Mid-Atlantic region on Saturday and Sunday. A strong cold front will then approach on Sunday and enhance our chances for rain showers and then it’ll turn much colder again for the early and middle portions of next week following the passage of this next front. Vigorous upper-level energy will drop southeastward across the Great Lakes on Monday and it’ll increase our chances for some snow or snow shower activity by Monday night and/or Tuesday as low pressure forms near the Mid-Atlantic coastline. Another brief warm up is likely to arrive here later next week only to be followed by another cold blast at the end of the week.
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High pressure remains in control of the weather in the Mid-Atlantic region and it’ll stay on the chilly side right through tomorrow. By the weekend, however, southwest winds will develop here as this system pushes off the coast and this movement will allow much milder air to flow into the region. A strong cold front will then approach on Sunday and enhance our chances for rain and then it’ll turn colder again early next week following the passage of this next front.
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A cold front passed through the region on Tuesday and it’ll stay chilly around here through Friday, but only moderately so as compared to the more severe cold that we experienced quite often in recent weeks. It’ll turn milder this weekend and with the warm up will come an increasing chance for showers. The best chance for showers is likely to come during the second half of the weekend before another (moderate) cool down arrives for the early part of next week. Looking ahead, there are signs for an extended period of colder-than-normal weather to return to the eastern US during February following this temporary stretch of milder weather.
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We are now experiencing warmer-than-normal weather conditions in the eastern US and there will be mild spells right into the first week of February, but the signs are increasing for a return to a cold pattern next month and it may very well last for an extended period of time. The MJO is a tropical disturbance that propagates around the global tropics and it will be transitioning into “phases” during the month of February that are conducive to colder-than-normal weather in the eastern US. In addition, stratospheric warming will unfold over the next week or so in the polar region of the Northern Hemisphere and this can set off a chain of events in the atmosphere that ultimately results in colder-than-normal weather for the eastern US. There are other signals as well that support the notion of a return to colder-than-normal in the eastern US and it very well could stick around for awhile.
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Low pressure will push to our north today and it’ll drag a strong cold front through the region during the afternoon hours. Occasional showers will linger into the afternoon hours and there may be a thunderstorm or two mixed in - some of the rain can be heavy. Strong NW winds later tonight and tomorrow will usher in a colder air mass, but it will be moderately cold and not the severe cold that we have experienced many times in recent weeks. The three days from Wednesday through Friday will stay on the chilly side, but it’ll then turn warmer again this weekend and with the warm up will likely come another round of rainfall.
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