root mean sq $partialdiff sub Y$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic surface pressure anomalies ]
Longitude | grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid |
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Latitude | grid: /Y (degree_north) ordered (87.5N) to (87.5S) by 2.5 N= 71 pts :grid |