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

grid: /T (m/s) ordered (-131.5 m/s) to (757.5 m/s) by 5.5140235E-06 N= 161225280 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.