As well stated by my friend Rajesh Sankaran “While I have you here, what is up with the weather? Why is it behaving like an angry confused teenager going through puberty here in Chicago/Midwest? This hot and cold is not fun.”. First, it’s not due to COVID19. Yes, as I said on WTTW Chicago Tonight, there are clear impacts on the atmosphere and our ability to predict it however, the variability that saw us go from shorts weather to snow is a normal seasonal phenomena. In previous posts I have compared the

upper level winds to “railway tracks” these winds are referred to at the Jet streams or jet stream pattern. At the moment these patterns are very buckled sending storm systems bearing tornadoes and hail into Alabama and southern states while pulling arctic air down over Chicago. If this were mid winter it would be a Chibera, however because things have been warming we are seeing snow and just above freezing at the surface… What is crazy about these snow systems is we are seeing snow at up to +5 degrees celsius! This is because the temperature is cooling so rapidly with height that snowflakes are not melting on their trip from the freezing level to the surface… Silver lining? well hopefully the snow is good for stay at home orders and social distancing.. meanwhile I am getting back into baking to make the house warm…