A very active weather pattern continues across the nation today and will so for at least the next week or so. A powerful cold front is closing in on the east coast and it will be accompanied by showers and perhaps a few severe thunderstorms. In addition, the winds will become a major factor later today as they’ll gust to 50 mph in the DC-to-Philly-to NYC corridor following the frontal passage. Winds will stay strong tonight and Friday as a much colder-than-normal air mass pours into the Mid-Atlantic region. After a quieter day on Saturday, a major storm will take shape over the middle of the nation. This system will head towards the Great Lakes while a secondary low forms in the eastern US. The impact of this late weekend storm will be wide-ranging from accumulating snow in parts of the Upper Midwest to heavy rain in the Mid-Atlantic on Sunday night and Monday to a potential widespread severe weather outbreak on Easter Sunday in the southern US extending from Texas/Louisiana to the Carolinas. Another cold air outbreak arrives in the eastern US next Tuesday and a rather sustained period of colder-than-normal weather can be expected through the remainder of April.
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A very active weather pattern will continue during the next week or two in part due to a continuation of cold air outbreaks into the central and eastern US. These on-going cold air outbreaks from Canada will combine with increasingly warm and humid conditions across the southern US to make it quite unstable on many days going forward in many parts of the nation and it’ll increase chances for widespread severe weather outbreaks. A strong cold front will advance today across the Great Lakes and to the eastern seaboard and it’ll turn cooler here compared to recent days. A strong storm is then likely to form this weekend over the central US and it could take a turn up along the east coast with possible heavy rainfall in the I-95 corridor on Sunday night and Monday. In addition, this weekend storm is liable to result in a widespread severe weather outbreak across much of the southern US - perhaps extending from Texas to the Carolinas.
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A very active weather pattern will continue across much of the nation during the next week or two in part due to a continuation of cold air outbreaks into the central and eastern US. These on-going cold air outbreaks from Canada will combine with increasingly warm and humid conditions across the southern US to make it quite unstable on many days going forward in many parts of the nation and it’ll increase chances for widespread severe weather outbreaks.
Currently, a strong storm is swirling over southern California with heavy rainfall and by mid-day Thursday, a strong cold front will advance across the Great Lakes and to the eastern seaboard. Winds will increase markedly in the Mid-Atlantic/NE US from later tomorrow into Friday with damaging gusts possible. A major storm system is then likely to form this weekend over the central US and it should take a northeast turn towards the Great Lakes region while a secondary system forms near the east coast. The result of this Sunday/Monday storm system could be some heavy rainfall in the eastern US, accumulating snow across the Upper Midwest, and perhaps a widespread severe weather outbreak in the southern US extending from Texas/Louisiana to the Carolinas.
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A very active weather pattern will continue for the next week or two partly as a result of continuing cold air outbreaks into the central and eastern US. Showers and thunderstorms will threaten today, tonight and early on Thursday and some of these storms can be on the strong-to-severe side. It will calm down on Friday and turn cooler and drier following a frontal passage. The weekend will become much more unsettled once again with a renewed chance of showers and thunderstorms in the Tennessee Valley by Sunday and there can be some severe thunderstorm activity.
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A very active weather pattern is setting up for the next week or two partly as a result of continuing cold air outbreaks into the central and eastern US. These cold air outbreaks will combine with increasing warmth and moisture across the southern US to make it quite unstable on many days going forward in many parts of the nation. In the short-term, a warm front will generate showers and thunderstorms in the DC-to-Philly-to-NYC corridor from later today into Wednesday and some of the storms that form can be on the strong-to-severe side. A strong cold front will then drop southeastward across the area later Thursday and it will be accompanied by showers, perhaps a strong thunderstorm, and increasing winds which will remain quite powerful on Thursday night and Friday. Another storm system could impact the Mid-Atlantic region late in the weekend or by the early part of next and then another system could follow a few days later in this unfolding very active weather pattern.
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It’ll stay unsettled and quite warm over the next couple of days as a series of west-to-east moving disturbances will produce chances for showers and thunderstorms in the Tennessee Valley. Temperatures will close in on the 80 degrees mark for highs later today and then push into the 80’s on Wednesday afternoon. After a frontal passage, however, there will be a downward trend as we head into the late week and into the upcoming weekend.
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An unsettled stretch of weather is likely this week across the Tennessee Valley and it’ll also be quite warm into the second half. A series of west-to-east moving disturbances will produce multiple chances for showers and thunderstorms in coming days. Temperatures will start the week not far from 80 degrees for highs and then trend downward late in the week following a frontal passage.
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High pressure over the Tennessee Valley will lead to another nice day around here with plenty of sunshine today and comfortable temperatures. It’ll become increasingly unsettled this weekend with the chance for showers and thunderstorms on each day and it’ll remain unsettled during the first half of next week as several disturbances pivot in our direction.
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Low pressure has pushed off the Mid-Atlantic coast and will not be much of a factor around here any longer, but it will tend to loop back towards the NE US as it encounters an atmospheric roadblock. We’ll experience decent weather for the next couple of days, but then it will become increasingly unsettled this weekend and going into the early part of next week. The chance for showers and thunderstorms will start off on the low side as we begin the weekend, but will climb to “quite likely” by the early part of next week.
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One thing a snow lover in the central and eastern US is rooting for during the wintertime is a “high-latitude blocking” pattern in the upper part of the atmosphere as it is often favorable for sustained cold air outbreaks and potentially accumulating snow. One way meteorologists can monitor the likelihood for this type of weather pattern is to track a teleconnection index known as the North Atlantic Oscillation (NAO). If this index falls into “negative” territory for a sustained period of time during the wintertime – a snow lover’s dream – it is often associated with sustained colder-than-normal weather in the eastern and central US and an increased chance for accumulating snow. Here we are now into the month of April and the largely absent “-NAO” pattern this winter season has finally arrived with “high-latitude blocking” likely for the next week or two across the northern latitudes. This may not lead to snow this time of year – although stranger things have happened – but it does signal the likely continuation of cold air outbreaks into the central and eastern US through at least the middle of April.
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