Accessing data using CPT (ingrid imposes a limit of 3999 points in the degrees-east grid)

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$integral dP$ max [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel qa ]

Longitude grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid
Latitude grid: /Y (degree_north) ordered (90N) to (90S) by 2.5 N= 73 pts :grid
P grid: /P (mb) ordered [ (1037.5) (962.5) (887.5) (775.0) (650.0) (550.0) (450.0) (350.0) (250.0)] :grid

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CPTv10+

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