Maurice Blackmon’s Contributionsto our Understanding

of the General Circulation

Zonally Propagating waves

Geostrophic Turbulence

1974: The theoretical Landscape

Blackmon 1976

I

II III

All

Lowpass

Medium Pass

All I

IIIII

NCAR Summer Colloquium 1978

Take-home messageTime-filtering is a useful tool for decomposing

atmospheric variability into components

u v

Blackmon et al. 1977

Blackmon et al. 1984

work of PhD student Kevin Rennert

VarianceLeading EOFs

Skewness of 6-day lowpass

Baffin Bay

.