[R] Functions to plot geopotential heights

Linda Smith lsmithingm at gmail.com
Thu Apr 29 00:32:27 CEST 2010

Hi, I obtained some netcdf data from NCEP website (attached here). It
contains gridded geopotential heights at 1 level with 9 lats and 13
lons, and 489 time steps (so the dimension is 489 1 9 13). The website
could plot the data into contour lines (see attached figure). I wonder
whether R has certain functions dedicated to produce similar plot for
such weather variables.

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