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From: Tiderunner
Date: 8/14/2017
Time: 6:17:46 PM
Latest :
A tropical wave in the central tropical Atlantic (Invest 91L) has the potential to develop into a tropical depression late this week as it moves westwards at about 15 mph, but the forecast has a lot of uncertainty. Satellite images on Monday morning showed that 91L was a complex, elongated system that stretched along a 700-mile long portion of the central tropical Atlantic between 9°N and 14°N latitude. Heavy thunderstorm activity had increased since Sunday, but remained disorganized, and only a modest degree of spin was apparent in the visible satellite imagery. Wind shear was moderate, 10 – 20 knots, and sea surface temperatures were 27.5°C (82°F)--about 0.5°C to 1°C above average for this time of year, and adequate for development. The Madden-Julian Oscillation (MJO), a pattern of increased thunderstorm activity near the Equator that moves around the globe in 30 - 60 days, is currently in a phase that is favorable for supporting tropical cyclones in the Atlantic, as pointed out by tweets from The Weather Company's Michael Ventrice.
https://www.wunderground.com/cat6/91l-may-develop-gert-strengthening-tropical-storm
Check this Link:
https://stormpulse.com/atlantic/