This is strange info. I am not sure what it means but interesting :)
New research may explain why serious thunderstorms and tornados are less prevalent on the weekends
December 22, 2011 by Bob Yirka EnlargeImage credit: AGU
(PhysOrg.com) -- For much of the last century, people in parts of the United States have come to notice that just as they got the weekends off to relax, so too did it seem, did serious weather. Big booming thunderstorms that produced large hail and/or tornados, seemed to strike at will during the week, but come the weekend, things grew quiet. While there have been many theories as to why this might be, mostly religion based, it hasn’t been until much more recently that researchers have begun to take a closer lookhttp://www.physorg.com/news/2011-12-thunderstorms-tornados-prevalent-weekends.html