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

grid: /T (0.12 degree_Kelvin kilogram-1 meter second2 year-1) ordered (-131.5 0.12 degree_Kelvin kilogram-1 meter second2 year-1) to (757.5 0.12 degree_Kelvin kilogram-1 meter second2 year-1) by 1.3589911E-05 N= 65416176 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.