A bit concerned looking at a AMSR-2 microwave pass over #Henri at 1800 UTC. While deepest convection has waned this afternoon, 36 GHz low-level structure looks much improved w/ evidence of a low-level cyan ring. Structure appears poised to intensify if deep convection returns. pic.twitter.com/mJim1kbyHB

— Philippe Papin (@pppapin) August 21, 2021