$partialdiff sub T$ detrended-bfl [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel CBMZW ]

grid: /P (12 meter2 second-2 year-1) ordered [ (1000) (925) (850) ... (10)] N= 158867856 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.