While it is common for developing tropical systems to have multiple weak centers, in this case the low-level circulation seems to be forming about 100 miles south of the NHC estimated latitude at 07/18Z, or roughly around 8N. At 07/06Z the developing circulation appeared to be near 8.1N and with a strengthening ridge to the north the lower level center location still seems to be a lot closer to 8N than the model extrapolated location near 10N, but maybe I'm missing something that NHC has focused on. ED
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