A relatively recent UL recon mission sampled the environment NW of #Eta and near its core.
— KeviShader (@KeviShader) November 7, 2020
This drop (28 on the map) indicates that strong mid-level dry air (~400mb level) is encroaching onto the core. This might disrupt #Eta in the short-term. pic.twitter.com/BZo8vrY0ur