NCL doesn't recognize multiple accumulation periods in GRIB2 file

Hello,

NCL doesn't seem to recognize multiple accumulation periods in a GRIB2 file. I have a GRIB2 file with two records of accumulated precip for different periods. Wgrib2 output follows:

1:0:d=2008091709:APCP:surface:33-36 hour acc:
2:64724:d=2008091709:APCP:surface:30-36 hour acc:

However, ncl_filedump shows only one instance:

float APCP_P8_L1_GLC0_acc6h ( ygrid_0, xgrid_0 )

It seems to pick one accumulation period in the file and disregard the others. Any idea what is going on? Thank you.

Richard Carpenter

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Received on Wed Sep 17 2008 - 13:24:54 MDT