It’ll be colder today in the NYC metro region on the back side of a frontal passage and sun will give way to late day clouds as low pressure organizes over the Upper Midwest. A warm front will extend well to the east of the low pressure system and it’ll push in our direction later tonight spreading rain into the area that will last through much of the day on Friday. Rain has been a rare commodity in the Mid-Atlantic region during the month of January which has been much drier-than-normal in the local area with a deficit of 2.84 inches. At the onset of the rainfall late tonight, it may be just cold enough for the rain to freeze on some surfaces; especially, across the far northern and western suburbs. Temperatures during the day on Friday will climb to well above freezing levels (into the lower 40’s) assuring “plain” rain as we close out the work week, and then it turns moderately cold again to begin the weekend.
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A strong cold front will approach from the northwest today – the second such system in two days – and winds will pick up in intensity possibly gusting to 50 mph or so. There is the chance for a couple of afternoon rain showers as the cold front comes through the area and it’ll become milder. However, it turns colder on Thursday and clouds will increase later in the day as low pressure strengthens over the Upper Midwest. A warm front will extend well to the east of the low pressure system and it can spread precipitation into the area for late Thursday night and Friday. At the onset, it may be just cold enough for a brief time for the rain to freeze on some surfaces in suburban locations. Temperatures during the day on Friday will climb to well above freezing levels (into the middle 40’s) assuring “plain” rain as we close out the work week.
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Winds will be rather strong for much of today in the Mid-Atlantic region with gusts up to 35 mph or so; however, a more intense and longer-lasting wind event is in store for late tonight and Wednesday associated with the next strong cold frontal system. That next cold front will be trailing a “clipper” low pressure system that passes by to the north on Wednesday, and it can help to generate 50 mph wind gusts from late tonight into late Wednesday. In terms of precipitation, there can be some snow shower/snow squall activity on Wednesday afternoon as this next cold front arrives and, as with today’s frontal system, most of the activity will be limited to the northern Mid-Atlantic.
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A couple of strong cold frontal systems dropping southeastward from Canada will impact the northeastern states both today and on Wednesday. The first of these fronts can cause strong winds around here today and there can be some snow shower activity...perhaps even a heavier snow squall. The second front can produce more strong winds here on Wednesday with gusts past 45 mph and some rain or snow shower activity as well as it passes through the region. Low pressure to our west will try to push a warm front through the area later this week and there can be some rain from late Thursday into Friday perhaps mixed with ice or snow at times at the onset.
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After a cold, dry and quiet weekend, high pressure will remain in control as we start the new work week and westerly winds will strengthen as the pressure gradient tightens between low pressure to the north and high pressure building in from the southwest. A couple of strong cold frontal systems dropping southeastward from Canada will impact the northeastern states on both Tuesday and Wednesday. The first of these fronts can cause strong winds on Tuesday and some snow shower activity; primarily, focused on the morning hours…there can even be a heavier snow squall. The second front can produce more strong winds at mid-week and some rain or snow shower activity as well as it passes through the region. At the end of the work week, low pressure to our west will try to push a warm front through the area and there can be a mixed bag of precipitation around here from later Friday into Saturday to possibly include rain, ice and snow.
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Arctic high pressure will push offshore today and this will be followed by a cold frontal passage later tonight. High pressure will then re-establish for this weekend and early next week and help to produce a stretch of cold and dry days around here. A “clipper” system will approach from the northwest by the middle of next week and it could produce some snow which - more than likely - would be confined to the northern half of the Mid-Atlantic region.
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Arctic high pressure will push offshore today and this will allow for a bit of moderation in temperatures, but they’ll remain at well below-normal levels for this time of year. Temperatures should climb to near 30 degrees this afternoon, but will drop to very cold levels again late tonight near the 15-degree mark. High pressure will return to the region this weekend and then a cold front arrives late Sunday probably on the dry side.
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Bitter cold Arctic air persists across much of the nation with numerous daily low temperature records set across the southern and eastern states. In fact, a few all-time low temperature records were set this morning across southern Louisiana where clear skies, light winds, and a fresh, deep snowpack allowed temperatures to plunge to single digit levels across the region. A rare major winter storm has brought significant accumulating snow across the southern US from Texas-to-Florida-to-the Carolinas and, in some cases, this matched or surpassed the great winter storm of February 1895. The precipitation field associated with this southern storm will push off the southeast coast today, but the bitter cold will persist for a bit longer.
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Arctic high pressure will settle over the area today and then moves offshore on Thursday. As a result, it’ll remain bitterly cold for another day around here with afternoon highs near 20 degrees and overnight temperatures should drop to the lower teens. With the high pressure offshore on Thursday, there will some moderation in temperatures and afternoon highs both tomorrow and Friday should be in the middle-to-upper 20’s.
Elsewhere, the southern states from Texas to the Carolinas continue to suffer through unusual severe winter weather conditions during this nationwide Arctic air outbreak. Accumulating snow fell yesterday on Houston, Texas on the order of 4 inches or so (their 2nd biggest snowstorm) and as much as 10 inches on New Orleans, Louisiana. And perhaps most amazing of all, there are single digits temperatures this morning across southern Louisiana.
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Arctic high pressure is in control across the Mid-Atlantic region and we’ll to experience bitter cold conditions until later in the week. Temperatures today and on Wednesday will do not better than the teens for afternoon highs and single digits are quite likely again for overnight lows. An upper-level disturbance will push through the area later in the day and it can bring a few snow showers to the NYC metro region from later today into early tonight. Elsewhere, a southern storm will bring snow and ice to unusual places through tonight extending all the way from Texas to Florida to the Carolinas.
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