Update 8/14
Posted by Mike_Doran on 8/14/2009, 2:50 pm




From an electrics standpoint TDII(or whatever they want to call it) and 90L are related, particularly the area inbetween them.  So while "TDII" may die from a baratropical standpoint it continues in the context of where electrical currents and couplings are and how they are moving.  Presently its about peak time for lightning between the Americas and Africa and it shows--that would should be a powering potential difference toward a coupling is resulting in particular in core strikes in "TDII".  Core strikes have been consistantly associated by study with RI.  There is a lot of lightning between the Americas and Africa, and this is precisely the time of the year that this occurs and the time of the year climatologically that the CV season kicks into gear and the global lightning associated with the CV season is no co ink a dink.

Space weather continues to be quiet in terms of spots and coronal holes but oddly for about 6-8 hours over the past three days there has been a consistant earth directed elevation of xray activity. Elevated xray activity increases the chance for RI.

There is a hurricane in the EPAC.  Just like when you plug in a power consuming device into the wall sometimes you can get the lights to dim, this storm takes away potential difference and electron precip from the Americas that might go into the "TDII" and 90L's intensification by coupling.  Statistically for this reason, EPAC seasons and Atlantic seasons are counter correlated.  Global conditions, however, have improved by evidence of this EPAC storm following the earlier storms in the Pacific in the past couple of weaks.

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EMF discussion of TD2 - Mike_Doran, 8/12/2009, 1:07 pm
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