National Aeronautics and Space Administration

The relatively benign atmospheric influence on Antarctica may be altered by the events and repercussions of March 2022, as seen in the analyses of the NASA GMAO forward-processing system). On 11-March a ridging pattern formed in the jet stream near Cape Ann. The ridge progressed eastward, but then deepened markedly into a classic omega-shaped blocking pattern over much of East Antarctica by the 14th. Read More.