Wednesday's potential severe thunderstorm outbreak will result in a tremendous amount of mass dispersion, building a jetstreak over Canada/northern U.S. that later spawns a strong cyclone over the N. Atlantic on 5/11. This cyclone reinforces the North Atlantic/Greenland block. pic.twitter.com/G3NQp10pDL

— Mike Ventrice (@MJVentrice) May 5, 2019