$partialdiff sub P$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel CBVQ ]

grid: /T (0.01 kilogram-1 meter2 second) ordered (-131.5 0.01 kilogram-1 meter2 second) to (757.5 0.01 kilogram-1 meter2 second) by 1.3763178E-05 N= 64592640 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.