CCI                     Calculus Cyclone identification.
coefFit                 REGression based CALculus for empirical data
cyclstat                Cyclone statistics
dX                      First derivatives from harmonic fits.
etopo60                 Topography with 60-minute resolution. This is a
                        low-resolution version of the more recent
                        2-minute topography: ETOPO5
FrontStats              Ocean currents and sea surface temperature
                        fronts
ma.filt                 Various filters.
Storms.ERA40            North Atlantic cyclone statistics.
within                  Points within an area.
