Upper-level high pressure ridging is dominating the scene across the eastern US and it’ll lead to another couple of warm days in the region with afternoon highs in the lower-to-middle 70’s. The threat of showers and thunderstorms will return later in the week while temperatures remain above-normal for this time of year.
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Upper-level high pressure ridging will dominate the scene across the eastern US this week and it’ll lead to a relatively warm week across the northern part of Alabama. Temperatures today will reach the lower 60’s and can peak near 70 degrees on Tuesday and Wednesday. The threat of showers will return later in the day and temperatures will remain above-normal for this time of year.
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It remains cool and breezy in the area today on the back side of a cold frontal system from earlier in the week. There is a warmup in sight, however, and temperatures should climb back to the 70-degree mark for afternoon highs during the early part of next week.
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Ingredients are in place for a severe weather outbreak today and tonight with its focus on the Lower Mississippi Valley and central Gulf coast. There is a high risk of damaging wind gusts in this scenario and tornadoes are certainly on the table with the possibility of a few strong ones. This threat shifts to the east coast on Wednesday where damaging wind gusts, heavy downpours, and even isolated tornadoes will be a possibility from the Mid-Atlantic to the Southeast US.
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A severe weather outbreak is in the cards for later today and tonight in much of the Lower and Middle Mississippi Valley region and it can result in severe thunderstorms across northern Alabama by the evening. The combination of strong and strengthening low pressure, an incoming cold, dry air mass, and increasingly humid air near the Gulf will lead to widespread showers and storms later today and tonight and some of those storms can reach severe levels with damaging wind gusts the main risk though isolated tornadoes are on the table as well.
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The month of March is now underway and it certainly can feature multiple severe weather outbreaks as the air becomes increasingly warm and humid across the southern states at the same time colder-than-normal air masses continue to push south and east from Canada into the US. The ingredients are falling into place for severe weather during each of the next three days as indeed colder-than-normal air from the western states will push eastward into a warmer-than-normal air mass that today will be centered over the central states. The main threat zone for severe weather today is likely to extend from Texas-to-Oklahoma-to-Kansas and then an enhanced risk is likely on Tuesday centered over the Lower and Middle Mississippi Valley region. Spring-like storm conditions will reach the eastern states on Wednesday with windy, warmer weather, soaking rainfall, and the potential of strong-to-severe thunderstorm activity.
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A severe weather outbreak is in the cards for Tuesday and Tuesday night in much of the Lower and Middle Mississippi Valley region and it can result in severe thunderstorms across northern Alabama. The combination of intensifying low pressure over the Northern Plains/western Great Lakes, an incoming cold, dry air mass, and increasingly humid air near the Gulf will lead to showers and storms later tomorrow and tomorrow night and some of those storms can reach severe levels. Winds will gusts past 40 mph from mid-day Tuesday into Wednesday afternoon and the highest risk of severe weather during any thunderstorm that forms will be for damaging wind gusts.
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A mild and relatively dry stretch of weather should into the upcoming weekend, but the quiet pattern is likely to end next week. Signs point to a possible severe weather outbreak across the southern states by Tuesday or Wednesday of next week...something we’ll closely monitor in the days to come.
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Today’s weather features above-normal temperatures across much of the nation and the next couple of days will remain on the mild side in the Mid-Atlantic region with high temperatures approaching 60 degrees in some areas. We are about to flip the calendar from February to March and it appears quite likely that there will be occasional cold air intrusions from Canada into the US during the next few weeks. Supporting evidence for additional cold air outbreaks during the month of March include the strong likelihood of a “disrupted” stratospheric polar vortex with significant warming near the North Pole by the middle of March and the movement of a tropical disturbance known as the Madden-Julian Oscillation (MJO). These occasional cold air outbreaks will contribute to an overall active weather pattern in the month of March and likely set the stage multiple severe weather outbreaks. In addition, the continuing cold air intrusions will certainly keep hope alive for snow lovers with multiple upcoming chances; especially, across interior higher elevation locations of the northern Mid-Atlantic and Northeast US.
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Today’s weather features above-normal temperatures across much of the nation and the remainder of the week will be generally on the mild side including in the Mid-Atlantic region where high temperatures of 60+ degrees will be commonplace. As nice as it may feel during the next few days, it appears likely that additional cold air outbreaks will make their way from Canada into the US during the next few weeks and this “back and forth” in temperatures could set the stage for multiple severe weather outbreaks during the month of March perhaps with a focus in the region from the Gulf coast to the Tennessee Valley. As the new month progresses, increasing strength of the sun will allow for warmer air masses to develop down across the southern states and any incoming cold air mass from Canada can produce “clash zones” with the prospects of severe weather. One such threat could take place next week somewhere in the middle of the nation with cold air from the north and west pushing towards warm, humid air to the south and east and there can be a repeat performance in the week to follow.
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