cieldumort
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Loc: Austin, Tx
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Re: Week Ahead
Sat Jun 09 2007 10:08 PM
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The "wave" which just rolled off Africa is an especially impressive one, especially for this time of year, but nothing outlandishly out of the ordinary, either. There appeared and still appears to already exist a low to mid-level low center. Really, a very well organized thunderstorm cluster altogether when it came off the coast, complete with turning at the very least in the mid-levels, and some pretty decent outflow in the upper-levels. However, now it has the look of having lost most of it's deep convection. Will be waiting for the next satellite pass for any indications of having held together, structurally, and of deep convection ever coming back.
Certainly would have caught TWC's eye as a feature worth drawing the camera to, if not much else.. for the moment. Still, that feature is first-rate eastern Atlantic eye candy for the month of June, if you are into satellite images.
These waves which roll off the west coast of Africa and head our way during the season usually either fizzle out on their own, or get ingested and digested by amplified patterns and associated shear over the Atlantic, long before they have much chance to become anything more than a feature to watch. Several more just keep on keeping on westward, never decaying, but never amounting to much, either. These sometimes go on to become the fruits of East Pac named storms, of course.
While we're on the topic, NASA undertook a very impressive research project of easterly waves last year, (NAMMA), which provided an abundance of material for them to study for years and years to come. If you are interested in reading even more about the study you can still find some archived material from the actual real-time NASA African Monsoon Multidisciplinary Analyses here.
Also, we might comment more on the Caribbean to SE Gulf region, later. It is flaring up quite nicely today. Neither the trof east of Florida/Caribbean flareup, or the eastern Atlantic wave, are of any imminent concern to NHC, but then again their intensities and/or organization attest to more than some "wave mongering" over "blobs." There might be more to either or both of them in time.
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