EPFD

Eliassen-Palm flux diagnostics script following the form employed by Edmon, 
H.
 J., 
B. 
J. 
Hoskins, 
and 
M. 
E. 
McIntyre, 
1980: 
Eliassen‐Palm 
cross
sections 
for
 the 
troposphere. 
J.
Atmos. 
Sci., 
37:2600–2616