JMII
(Storm Tracker)
Thu Aug 31 2017 05:40 PM
Re: Irma Lounge

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I have been fascinated with the Hebert boxes since I learned about them (on this site).




I love how the South Florida Water Management District has the eastern "box" outlined on their graphics, oddly the western one isn't highlighted.

Irma certain got her act together quickly. From TS to Cat 3 in no time at all. Current pattern has a large, oblong blocking High (over Bermuda as typical for this time of year) but that high has a weakness in the middle. This is why the current Irma track goes NW then W then SW then back W in a lazy wobble over the next 5 days.

So the question is: does the H erode enough to let Irma turn N and finally curve out to sea.? Or does the weakness in the high close up and force Irma on a long track west?



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