A fairly strong and well-organized tropical wave will emerge off of the African Coast completely later tonight. The wave needs to be monitored because of these reasons:
1. The Azores High wasn't quite ripe for the wave that preceded this one, thus, development did not occur with that wave. This wave has a slightly better chance of development because the Azores High is becoming more favorable every day. It is now down to 1022 mb, 3-4 mb below average.
2. Large circulation envelope with strong convection. The large circulation evelope shoud remain intact with this system as it tracks across the Atlantic. The big question is: Can this wave keep it's convection as it moves across the somewhat cooler-than-normal Eastern Atlantic waters? If it can, this wave will almost certainly be TD 4 and likely Dolly. However, this is a question that remains to be answered.
3. Climotology favors this wave. It is now mid-August, and the waves should begin firing up out in the E. Atl now that climo is favorable and the conditions are improving.
As always, time will tell.
I'd like to know what you think...
Kevin
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Area of interest-Tropical wave emergin off of African Coast