$partialdiff sub Y$ $integral dP$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel vvel ]

grid: /T (5729.57795130823 kilogram2 meter-2 radian-1 north second-5) ordered (-131.5 5729.57795130823 kilogram2 meter-2 radian-1 north second-5) to (757.5 5729.57795130823 kilogram2 meter-2 radian-1 north second-5) by 7.4109421E-06 N= 119957760 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.