Special blog Friday - It's baa-aack, Greenland blocking (GB). GB contributed to a cool spring in Europe & early May in the Eastern US. And the GFS & CFS are predicting that GB could hang around for a while, what are the implications for summer weather? https://t.co/Gg8N2KHLUk pic.twitter.com/e6dQPoLrqU

— Judah Cohen (@judah47) May 14, 2021