$partialdiff sub X$ $integral dP$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel psi ]

grid: /T (5729.57795130823 kilogram meter radian-1 east second-3) ordered (-131.5 5729.57795130823 kilogram meter radian-1 east second-3) to (757.5 5729.57795130823 kilogram meter radian-1 east second-3) by 5.2790274E-06 N= 168402240 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.