Warmer-than-average temperatures will push east this weekend, spiking readings as high as 20 degrees above average and providing a spring-like burst of warmth for the start of March for much of the continental United States.
Temperatures will be running some 10-20 degrees above average over a wide swath of real estate on Sunday and Monday, as ridge of high pressure pushes the unseasonable warmth eastward through the weekend and early next week.
This short-lived warm-up, however, will come to a bit of a screeching halt on Monday and Tuesday, thanks to a powerful cold front that could trigger severe weather and flooding across the South. The warm air will also contain a fair bit of moisture, and as it meets a drier, cooler air mass, strong-to-severe thunderstorms are likely to erupt, starting on Monday.
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While record highs aren't likely on Monday and Tuesday, it'll certainly feel like spring for many from Texas and Oklahoma east to Mississippi, Tennessee, Alabama and Georgia.
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Of course, this relatively brief warm-up directly coincides with the start of meteorological spring, defined by the start of March. For more on meteorological seasons,
check out this detailed article from Meteorologist Steve Glazier.