The combination of a weakening “clipper” low pressure system and an intensifying ocean low that is to develop an inverted trough will raise the chance of some accumulating snow from later tomorrow into early Saturday across parts of the Mid-Atlantic region. There can be a coating to as much as 2 or 3 inches of snow by early Saturday across portion of eastern PA, much of New Jersey, and the New York City metro region and a coating of snow is possible as far south as the DC metro region. As the intensifying ocean low exits off to the northeast on Saturday, the door will be open for the coldest air mass of the season to ride into the Mid-Atlantic region on stiffening NW winds. A look ahead to early January suggests there will be the return of “high-latitude blocking” across Canada which tends to favor colder weather in the central and eastern US and teleconnection indices support the notion of an overall colder weather pattern.
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Strong upper-level ridging of high pressure dominates the scene across the western US and it’ll provide us with quiet, dry and very mild weather for the next several days. Temperatures will peak around 60 degrees both today and on Friday and shouldn’t be too far from that mark this weekend as well.
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It turns cooler today across northern Alabama on the heels of a cold frontal passage and then even colder air moves in by the weekend. A secondary cold front will usher in the colder air mass for the weekend and temperatures will struggle to climb past the middle 40’s on both Saturday and Sunday.
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On Friday, a “clipper” low pressure system will drop to the south and east from the Great Lakes region at the same time low pressure starts to form over the western Atlantic Ocean. These two systems may combine to produce rain and/or snow showers in the region early Friday and then snow showers – perhaps even a period of steadier snow – from later Friday into early Saturday. Accumulations of snow on the order of a coating to a couple of inches are on the table by early Saturday morning.
As the low pressure system intensifies on Saturday and pulls off to the northeast of here, the coldest air of the season so far will pour into the region for the latter part of the weekend and early part of next week. Temperatures on Sunday will be confined to the mid-to-upper 20’s for afternoon highs – the coldest day so far this season - and the overnight lows by early Monday morning could be in the lower teens across some suburban locations.
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On Friday, a “clipper” low pressure system will drop to the south and east from the Great Lakes region at the same time low pressure starts to form over the western Atlantic Ocean. These two systems may combine to produce rain showers in the region early Friday and then rain and/or snow showers from later Friday into late Friday night. Minor snow accumulations are possible in the DC metro region by late Friday night and up to a couple inches can fall across portions of northeastern Maryland.
As the low pressure system intensifies on Saturday and pulls off to the northeast of here, the coldest air of the season so far will pour into the region for the latter part of the weekend and early part of next week. Temperatures on Sunday will be confined to the 20’s for afternoon highs – the coldest day so far this season - and the overnight lows by early Monday morning could be in the lower teens across many suburban locations.
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On Friday, a “clipper” low pressure system will drop to the south and east from the Great Lakes region at the same time low pressure starts to form over the western Atlantic Ocean. These two systems may combine to produce rain and/or snow showers in the region early Friday and then snow showers – perhaps even a period of steadier snow – from later Friday into early Saturday. Accumulations of snow on the order of a coating to a couple of inches are on the table by early Saturday morning.
As the low pressure system intensifies on Saturday and pulls off to the northeast of here, the coldest air of the season so far will pour into the region for the latter part of the weekend and early part of next week. Temperatures on Sunday will be confined to the middle 20’s for afternoon highs – the coldest day so far this season - and the overnight lows by early Monday morning could be near 10 degrees across many suburban locations.
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The combination of a weakening “clipper” low pressure system and an intensifying ocean low that develops an inverted trough will raise the chance of some accumulating snow from later Friday into early Saturday across the northern Mid-Atlantic region to include eastern PA, New Jersey and New York City. Farther to the south, snow showers are possible in the DC metro region by Friday night, but accumulating snow there is less likely than to the north of the PA/MD border. As the intensifying ocean low pulls away to the northeast on Saturday, the coldest air mass of the season so far will ride into the Mid-Atlantic region on stiff northwest winds and the lowest temperatures in this cold snap are likely to occur early Monday morning.
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Another low pressure system and its associated cold front will bring more rain to the Philly metro region from later this afternoon into late tonight and a slightly colder air mass will follow for the day on Thursday. On Friday, a “clipper” low pressure system will drop to the south and east from the Great Lakes region at the same time low pressure starts to form over the western Atlantic Ocean. These two systems may “link up” in time to produce snow showers in the region from later Friday into early Saturday and perhaps even a period of steadier snow...small accumulations cannot be ruled out on the order of a coating to a couple of inches.
As the low pressure system intensifies on Saturday and pulls off to the north and east of here, the coldest air of the season so far will pour into the Mid-Atlantic region for the latter part of the weekend and early part of next week. Temperatures on Sunday will likely be confined to the 20’s for highs and the lowest temperatures so far this season should take place late Sunday night/early Monday morning with 10 degrees a possibility for overnight lows in some suburban locations.
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Another low pressure system and its associated cold front will bring more rain to the DC metro region from the early-to-mid afternoon to later tonight and a slightly colder air mass will follow for the day on Thursday. On Friday, a “clipper” low pressure system will drop to the south and east from the Great Lakes region at the same time low pressure starts to form over the western Atlantic Ocean. These two systems may “link up” in time to produce rain and/or snow showers on Friday and likely snow showers on Friday night.
As the low pressure system intensifies on Saturday and pulls off to the north and east of here, the coldest air of the season so far will pour into the Mid-Atlantic region for the latter part of the weekend and early part of next week. Temperatures on Sunday will likely be confined to 30 degrees for afternoon highs and the lowest temperatures so far this season should take place late Sunday night/early Monday morning with the lower teens a possibility for overnight lows in some suburban locations.
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Another low pressure system and its associated cold front will bring more rain to the NYC metro region from later this afternoon into late tonight and a slightly colder air mass will follow for the day on Thursday. On Friday, a “clipper” low pressure system will drop to the south and east from the Great Lakes region at the same time low pressure starts to form over the western Atlantic Ocean. These two systems may “link up” in time to produce rain and/or snow showers in the region from later Friday into early Saturday and perhaps even a period of steadier snow...small accumulations cannot be ruled out on the order of a coating to a couple of inches.
As the low pressure system intensifies on Saturday and pulls off to the north and east of here, the coldest air of the season so far will pour into the Mid-Atlantic region for the latter part of the weekend and early part of next week. Temperatures on Sunday will likely be confined to the 20’s for highs and the lowest temperatures so far this season should take place late Sunday night/early Monday morning with the lower teens a possibility for overnight lows in some suburban locations.
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