Quote: What is that off the coast of SC? It's in warm water and it looks like there is some slight circulation. Could tjis be a factor that could steer Bertha?
Not at this time. If it were to somehow develop, and do so substantially, then we could consider it, but for now it is a decaying linear MCS (squall line). A cold front is pressing seaward from off the mid Atlantic and New England coasts and the activity you are noticing is associated.
I am not seeing any curl in the region, at this hour. However, fronts can be tricky, particularly as they tend to stall in the northern Gulf of Mexico, or off the southeast U.S. coast. When they do, the upper air support eventually weakens...the air masses on either side of the boundary homogenizes. The convergence along the frontal zone its self, however, lingers a bit longer and this can sometimes lead to the development of TCs.
That is not occurring at this time; and would need to, and do so significantly, before it could become an influence on Bertha. However, since a front is in fact slipping into that area, it doesn't hurt to monitor.
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