Indices daily ECCC PNA PNA_pattern: PNA Loading Pattern data

PNA Loading Pattern from Indices daily ECCC PNA: Pacific/North American.

Independent Variables (Grids)

longitude (longitude)
grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid
latitude (latitude)
grid: /Y (degree_north) ordered (20N) to (90N) by 2.5 N= 29 pts :grid

Other Info

standard units*


Barnston, A. G., and R. E. Livezey, 1987: Classification, seasonality and persistence of low-frequency atmospheric circulation patterns. Mon. Wea. Rev., 115, 1083-1126.

Frederiksen, J., and H. Lin, 2013: Tropical-extratropical interactions of intraseasonal oscillations, J. Atmos. Sci., 70, 3180-3197.

Johansson, A, 2007: Prediction skill of the NAO and PNA from daily to seasonal time scales. J. Climate, 20, 1957-1975.

Lin, H., G. Brunet, and J. Derome, 2009, An observed connection between the North Atlantic Oscillation and the Madden-Julian Oscillation. J. Climate, 22, 364-380.

Last updated: Mon, 22 Jan 2018 15:49:53 GMT

Data Views

[ Y | X]MM


Here are some filters that are useful for manipulating data. There are actually many more available, but they have to be entered manually. See Ingrid Function Documentation for more information. Average over Y X | Y X |
RMS (root mean square with mean *not* removed) over Y X | Y X |
RMSA (root mean square with mean removed) over Y X | Y X |
Maximum over Y X | Y X |
Minimum over Y X | Y X |
Detrend (best-fit-line) over Y X | Y X |
Convert units from m to

Note on units