Mesmerizing meteorological March madness—what a sequence during the past 1½ weeks—a massive swirl from the Pacific which brought the big snowstorm❄️ & w/sub-swirls doing the #Fujiwhara dance, then the next storm which produced the tornado🌪️ outbreak & merged w/part of the 1st one pic.twitter.com/uBOVU54y8s

— Stu Ostro (@StuOstro) March 19, 2021