$integral dP$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel qa ]

grid: /T (mb) ordered (-131.5 mb) to (757.5 mb) by 1.0558055E-05 N= 84201120 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.