Been keeping a close eye on the evolution of sea surface temperature anomalies (SSTAs) over the NATL as we inch closer the start of the 2021 hurricane season.

A pronounced -NAO pattern the last 2 weeks had led to a distinct increase in positive SSTAs over the eastern NATL. pic.twitter.com/e9T2xjIcHK

— Philippe Papin (@pppapin) April 21, 2021