I'm far outside my realm of reasonable pondering, but the faint bit of knowledge of those from the realm have hinted that models assumed a warmer precedent lower level would filter up to warmer mid and upper levels, where what as happened is a cooler mid to upper levels that helps balance the giant heat transport engine that is our weather. Now weather this is transitory or a more permanent aspect of climate change who knows. It's way to early. Although I do think there are some people that need humbled Sent from my SM-G970U using Tapatalk