Temperatures over the next several days will reach near 60 degrees for afternoon highs and drop into the 40’s for overnight lows in the northern part of Alabama. The next good chance for 70+ degrees will be early next week and the overall pattern for the next several days will be dry with little to no chance of rain.
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The active weather pattern of the past couple of days will quiet down later today after early morning showers move out of the area. Skies will become partly sunny in a few hours and partly cloudy tonight and it’ll turn colder in the overnight hours. Decent weather pattern sets up for the late week and weekend with high temperatures generally within a few degrees of 60.
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Today will be an active weather day in the Deep South with a high probability of severe weather across portions of Louisiana, Mississippi and Alabama. Deepening low pressure will move northeast on Tuesday from Texas toward Iowa bringing us the good chance for PM showers and perhaps some strong-to-severe thunderstorm activity. A key to the chances for severe weather in this region will be the movement of a warm front during the day….the farther to the north the warm air pushes, the farther to the north will be the chance for severe thunderstorm activity. Some of the rain later today and early tonight will be heavy at times as a cold front pushes towards the region.
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Spring season has begun and with it comes the threat of severe weather across much of the southern US during the next few days. Many ingredients are coming together for a severe weather event later today and tonight that will be focused on the central and eastern parts of Texas and this threat zone will shift slightly to the east on Tuesday encompassing the region from Louisiana-to-Mississippi-to-Alabama. A primary culprit in this unfolding scenario is an expansive upper-level trough whose base is now centered over the Southwest US and will shift only slightly to the east on Tuesday. In addition, there is a clash of air masses setting up in this part of the nation with cold, dry air sweeping eastward from the southwestern states into a very warm and humid air mass out ahead of it over the eastern half of Texas.
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There will be an increasing southeasterly flow of air today across the region with late day cloud cover after plenty of sunshine earlier in the day. Deepening low pressure will move northeast on Tuesday from Texas toward Iowa bringing us the chance for showers and perhaps some strong-to-severe thunderstorm activity. Some of the rain later tomorrow can be on the heavy side as a cold front pushes towards the region and we’ll have to watch out for the possibility of severe weather going into tomorrow night.
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Active weather is in store for the Tennessee Valley region on a couple of occasions going forward and it includes the chance for severe weather. First, there is the threat for scattered thunderstorms around here this morning as an upper-level trough pushes through the region and then another round of storms is likely this afternoon and evening with the passage of a cold front. Any storm this afternoon and evening can be on the strong-to-severe side and isolated tornadoes cannot be ruled out. A stronger storm will move from the Central Plains from next Tuesday into Wednesday and there is the potential for heavy rainfall and strong-to-severe thunderstorm activity.
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High pressure will edge into the Tennessee Valley today generating some dry and warm conditions with highs in the lower 70’s. The nice weather will be short-lived; however, as an upper-level trough shifts this way on Friday from the middle of the country. This system will raise the chances here for some shower and thunderstorm activity as we close out the work week. In the wake of this system, high pressure returns this weekend and should control the weather through Monday.
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It remains unsettled in the region today with wrap-around showers before some drier air moves into the Tennessee Valley. With considerable clouds, temperatures will be held down to the lower or middle 60’s for highs here at mid-week and then fall into the 40’s in the overnight hours. It’ll turn drier and milder on Thursday as high pressure builds into the region.
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An upper-level trough will deepen as it closes in on the area today leading to clouds and the chance of afternoon showers. The threat for showers will continues through tonight as well and can even last into early Wednesday as this system tends to slow down in its eastward progression. One final note, you may have noticed some purplish sunrises in recent days and weeks. This is still the result of the Tonga volcanic eruption that took place back in January. Fine volcanic aerosols in the stratosphere scatter blue light which, when mixed with ordinary sunset red, produces a violet hue. The purple color is often preceded by a yellow arch hugging the horizon. As the sun sets, violet beams emerge from the yellow, overlapping to fill the western sky with a soft purple glow.
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Southerly flow of air will push temperatures into much milder levels today following the chill of the past weekend with afternoon highs well up into the 60’s. An upper-level trough will shift this way on Tuesday bringing us plenty of clouds and possible showers.
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