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Models are not crazy about the tropics right now but we have two areas of interest growing in the Tropical Atlantic as I write this blog. First area of concern is close to home, in what we call a homegrown threat, an area of thunderstorms grew into an area of low pressure earlier this afternoon and is growing with thunderstorm activity. It developed from a leftover frontal boundary currently racing off to the Northeast over the western Atlantic Ocean. TS Emily grew from the same front yesterday and is now quickly diminishing in a midst of a shear and dry air. Just as I thought from yesterday this area needed to be monitored as the area of frontal shear caused by a front in the GOM appears to be lessening now and is near 10-20 knots instead of 30-40 knots yesterday. This shear should continue to drop according to the 18z GFS run yesterday afternoon. This small area of low pressure is already well defined on satellite imagery this evening and appears to be gaining convection. Depending upon if the convection is consistent and persistent will determine the tropical outlook on this system. Next system of interest is a tropical wave currently in the MDR battling dry air to the north of it and the ITCZ influence to the south of it. Shear is light to moderate, not enough to stop development, should become an invest tomorrow morning. Stay tuned this system could become a threat to the lesser Antilles islands in the mid term.
Mark Dee posted a topic in Weather Forecasting and DiscussionThoughts on deep storm Gulf of Mex into US mainland next week?