Dear Friamers,
If I could get there this friday, I would ask you all to comment on the following commentary on a deveoping tropical wave off the coast of Africa.
The large tropical wave 700 miles west of the Cape Verde Islands has gained some deep convection on its east side since yesterday, but has struggled to maintain its convection in the face of some increasing wind shear this morning. The system is also battling some dry air to its norhtwest that is getting entrained into the center. This system could still become a depression in a day or two as it moves west to west-northwest. Global models forecast that this storm will recurve before it threatens any land.
http://www.wunderground.com/blog/JeffMasters/show.htmlNote that sheer is given as an adverse factor in the deveopment of convection.... i.e., thundestorms. Now, sheer is often given as a promotor of thunderstorms over land. Is water different. I would THINK that it would be a promotor if it were high enough but not a promoter if were too low. High it would help mainain the furnace by improving its draft, two low, it would intervere with the efficiency of the convective column. But do convective columns require more depth over water than over land so the altitude at which sheer becomes promoting is different over land than over sea.
Professor White please keep these kids feet to the fire.
Nick
Nick
Nicholas S. Thompson
Professor of Psychology and Ethology
Clark University
[hidden email]
http://home.earthlink.net/~nickthompson/[hidden email]
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