Here's a look at our 7pm sounding for Dulles. Our surface temps are clearly running wayyyyy too warm, but it's worth noting that our 850mb temps have hit freezing. This tells me that IF we can get heavy precip at onset, dynamic cooling should be enough to switch us to snow. pic.twitter.com/GTAdlizGv0

— Nikhil Trivedi (@DCAreaWx) February 13, 2022