Published: August 29,2015
Highlights
- A tropical wave, designated Invest 99-L, is being monitored in the far eastern Atlantic for possible tropical development.
- Invest 99-L has been given a 90 percent chance of developing into a tropical depression or tropical storm within the next five days.
- There is a 80 percent chance that that could happen within the next 48 hours.
Current status
As the calendar shifts from late August into early September, the Atlantic hurricane season really starts to pick up. On the heels of Danny and Erika over the past couple of weeks, a new tropical wave could develop into a tropical depression or tropical storm in the coming days. The wave has been given the designation of Invest 99-L.
Invest 99-L was centered near the western shores of Guinea Saturday afternoon and is moving in a general west to west-northwest direction at 10 to 15 mph. The tropical wave should pass south of the Cape Verde islands on Sunday into Monday.
While wind shear north of the Cape Verde islands appears unfavorable for tropical development, at the moment, computer forecast suggest that Invest 99-L will pass through a region of generally limited wind shear south of the islands. Since wind shear can shred apart the structure of a tropical system, less shear creates a more favorable environment for such systems.
Invest 99-L bears watching as it could develop into Fred, which would be Atlantic's six named tropical system in the upcoming week.
(MORE: Expert Analysis | Hurricane Central)
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