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Azores #96L fails to complete transition into a Sub-Tropical Storm. Elsewhere, weak low pressure in Caribbean may linger into next week.
Days since last H. Landfall - US: Any 45 (Nate) , Major: 63 (Maria) Florida - Any: 73 (Irma) Major: 73 (Irma)
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General Discussion >> Hurricane Ask/Tell

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Owlguin
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Southwest Shear
      #95653 - Sun Aug 23 2015 07:23 PM

Is the strong SW shear a result of an El Niño weather pattern?

Edited by Ed Dunham (Sun Aug 23 2015 07:50 PM)


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cieldumortModerator
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Reged: Mon
Posts: 1635
Loc: Austin, Tx 30.40N 97.80W
Re: Southwest Shear [Re: Owlguin]
      #95656 - Mon Aug 24 2015 02:13 AM

Quote:

Is the strong SW shear a result of an El Niño weather pattern?




In general, El Niño typically has a net minimal impact on development chances in the Gulf of Mexico, in and of itself, but an outsized impact overall in the Main Development Region. Weather.com has a pretty good explanation of this year's El Niño signals, which can be read here.

As to the southwest shear, part of that is likely a combination of the current El Niño working hand in glove with the persistent ridge/trough pattern (with incredibly persistent high pressure off the west coast, enhancing troughiness to its east, and helping send unseasonable cool fronts southward).


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Owlguin
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Re: Southwest Shear [Re: cieldumort]
      #95659 - Mon Aug 24 2015 09:14 AM

Thanks. I meant to post this in the Danny forum, not sure what happened.

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