The storm system that has been responsible for the deadly severe weather the last couple days in the Deep South will potentially bring us another couple rounds of severe storms to Eastern Carolina the next couple days.
The stronger thunderstorms for Tuesday will mainly be across western and central North Carolina, west of I-95. But some of those storms which develop there could move eastward and impact local areas west of Highway 258 with damaging winds and maybe an isolated tornado.
For areas east of Highway 258, we should remain warm and humid and mostly dry, in spite of a front lifting north across Eastern Carolina.
The greatest danger for severe weather comes on Wednesday, when the combination of ingredients could bring heavy rain, damaging wind, and even more tornadoes to our region. This is because of the way the jet stream in configured around this Midwest storm.
The jet stream is a ribbon of fast-moving air that is between 25,000 and 35,000 feet aloft. The job it does in severe weather production is to act as a vacuum. It helps pull more are from the low levels of the atmosphere into the upper levels, which in turn helps develop strong updrafts in thunderstorms.
It also can cause these thunderstorms to begin spinning, which then produces tornadoes. The combination of the jet stream, high dew point air, and a couple upper disturbances passes through will all combine to produce severe storms across parts of Eastern North Carolina on Wednesday.
By Thursday, the jet stream will move off the coast taking the greatest severe threat with it. However, there could still be heavy rain and gusty winds with storms that continue.
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