Possible potential development for system passing Cape Verde Islands

Tuesday 30th July 2019

Disturbance Twenty is approaching the Dominican Republic from the east headed west-nor'west at 12 knots producing scattered thunderstorm activity across Puerto Rico and Hispaniola. This will reach eastern Cuba on Wednesday before moving across the Bahamas and South Florida on Thursday and Friday. Conditions north of the Bahamas don't seem storm-friendly to me, despite continued chatter on an event off the Carolinas next weekend. We will see.

Disturbance Nineteen is 400 miles north-nor'east of the mouth of the Amazon moving west at 15 knots. Dry sinking air will limit development.

Disturbance Twenty One
is passing due south of the Cape Verde Islands, westbound at 12 knots. This is producing scattered showers and thunderstorms but faces a wall of dry, sinking air ahead. The Canadian Guy has already dismissed this one but I wouldn't be so hasty. From aerial imagery this looks to have a whiff of rotation and may have a twinkle in its eye and could develop if it can survive the next couple of days.

Stand easy. 

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