It looks like 93L is rapidly getting its act together right over Puerto Rico at this time. Robust convection has continued through the day today as upper-level divergence has increased over the system. Currently great outflow is present in almost every sector and the greatest convection is currently just south of Peutro Rico. Wind shear has weakened some and should remain weak directly over the system for the next few days. High wind shear will be present just to the north of the system, which if entrained into 93L, could slow down development. However, models are unanimously developing the system at this time. The Hurricane Hunters investigated the system earlier today and did not find a closed low level circulation, but this could occur tonight or tomorrow if the convection persists.
The models have locked into a track to the north of Puerto Rico and then into the open Atlantic west of Bermuda. At that point, many of the models want to start to track 93L back towards the east coast of the United States, from South Carolina to New England. A lot of uncertainty is still in the track forecast because of the potential sub-tropical system that might develop off of the southeastern seaboard. However, as 93L continues to develop, it may take away some of the energy from this southeastern storm, allowing 93L to blossom into a stronger system. However, if the southeastern storm gets strong enough, a Fujiwara Effect may take place, which models have a very difficult time forecasting. Needless to say, anyone along the east coast needs to be watching the system (including Canada and Bermuda).
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