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

grid: /T (unitless) ordered (-131.5) to (757.5) by 1.1717300E-05 N= 75870720 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.