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

grid: /T (4.77464829275686 meter2 radian-1 east second-1 year) ordered (-132.0 4.77464829275686 meter2 radian-1 east second-1 year) to (758.0 4.77464829275686 meter2 radian-1 east second-1 year) by 5.5895653E-06 N= 159225264 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.