data: $partialdiff sub Y$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic surface pressure anomalies ]

∂_Y [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic surface pressure anomalies ]: ∂_Y Pressure data

∂_Y [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic surface pressure anomalies ].

Time (time): grid: /T (months since 1960-01-01) ordered (16 Jan 1949 - 15 Feb 1949) to (16 Jul 2014 - 15 Aug 2014) by 1.0 N= 787 pts :grid
Longitude (longitude): grid: /X (degree_east) periodic (1.25E) to (1.25W) by 2.5 N= 144 pts :grid
Latitude (latitude): grid: /Y (degree_north) ordered (88.75N) to (88.75S) by 2.5 N= 72 pts :grid