Classic Elevated Mixed Layer on this morning’s weather balloon launch in Pittsburgh. Almost all of our big severe weather days have one overhead. In fact SPC mentions the possibility of a derecho (high end severe wind storm) today. Stay tuned to @NBCConnecticut all day. #nbcct pic.twitter.com/l4bUQ6Lr4u

— Ryan Hanrahan (@ryanhanrahan) May 15, 2018