Don't discount this area of low pressure located near 18N 43W.
While conditions are not favorable for quick development right now, there are signs that the SAL is fading as it moves westward and upper-level winds could become marginally favorable during the day tomorrow. The GFS is forecasting the trough to the west and northwest to split into a HUGE upper-level low that covers the entire Western Atlantic and Caribbean. If that verifies, there should be favorable conditions through the next 48 hours for some development.
Yesterday, we saw puffs of thunderstorms developing near the circulation. Today, those puffs became more concentrated near the center of the low. This indicates that as the system moves slowly westward the dry air is not being as much of a factor. Keep in mind that this system already has an area of circulation, so any major increase in convection could bring this system to a tropical depression during the next 48 hours.
I'll keep an eye on it as it is possible an invest classification will be issued sometime tomorrow.
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