NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.

To learn about what's going on, see About the Archive Site.

CONDUIT file name format

New NCEP file names
data/nccf/com/gfs/prod/gfs.YYYYMMDDHH/gfs.tHHz.formidffhour !GRIB_version/ncep/model/#000/YYYYMMDDHHNNFfff/parm/level! ######
                      ^                                          ^        ^     ^     ^       ^        ^    ^     ^      ^
            \_________|_________/                                |        |     |     |       |        |    |     |      |
                      |                                          |        |     |     |   model date   |  grid    |  grid number
               data file name                                    |     issuing  |   grid               |parameter |  in original
               on file server                                    |      center  |  number              |          |  data file
                                                                 |              |                   forecast      |
                                                             data format     model id                  hour    grid level


Grid #004, 0.5x0.5 degree lat/lon grid, formid = pgrb2 (Hours F000-F180) GRIB_version=grib2 (grid number appears as #000)
Note: fhour: anl, f00, f06, f12....f384 (note: 2 or 3 digit fhour as on ftp server)
GRIB2 Note: "model date" and "forecast hour" fields are not separated by "/"

data/nccf/com/gfs/prod/gfs.YYYYMMDDHH/gfs.tHHz.formidffhour !GRIB_version/ncep/model/#GGG/YYYYMMDDHHNN/Ffff/parm/level! ######
                      ^                                          ^        ^     ^     ^        ^        ^    ^     ^      ^
            \_________|_________/                                |        |     |     |        |        |    |     |      |
                      |                                          |        |     |     |    model date   |  grid    |  grid number
               data file name                                    |     issuing  |   grid                |parameter |  in original
               on file server                                    |      center  |  number               |          |  data file
                                                                 |              |                    forecast      |
                                                             data format     model id                  hour    grid level


Grid #003, 1x1 degree lat/lon grid, GGG=003, formid = pgrb (Hours F000-F180), GRIB_version=grib
Grid #002, 2.5x2.5 degree lat/lon grid, GGG=002, formid = pgrb (Hours F192-F384), GRIB_version=grib
Note: fhour: anl, f00, f06, f12....f384 (note: 2 or 3 digit fhour as on ftp server)


Old NWSTG file names format (to be removed Oct 17, 2006)

SL.us008001/ST.opnx/MT.gfs_CY.HH/RD.YYYYMMDD/PT.grid_DF.grGRIB_version/fh.ffff_tl.press_gr.gridid !grib/ncep/AVN/#003/YYYYMMDDHHNN/F003/parm/level! ######
                                             ^                                                     ^    ^     ^    ^        ^        ^    ^     ^      ^
                                   \_________|_________/                                           |    |     |    |        |        |    |     |      |
                                             |                                                     |    |     |    |    model date   |  grid    |  grid number
                                      data file name                                               | issuing  |  grid                |parameter |  in original
                                      on file server                                               |  center  | number               |          |  data file
                                                                                                   |          |                   forecast      |
                                                                                               data type   model id                 hour    grid level

Grid #004, 0.5x0.5 degree lat/lon grid, gridid = 0p5deg (Hours F000-F180), opnx=opnt, GRIB_version=2
Grid #003, 1x1 degree lat/lon grid, gridid = onedeg (Hours F000-F180), opnx=opnl, GRIB_version=1
Grid #002, 2.5x2.5 degree lat/lon grid, gridid = 2p5deg (Hours F192-F384), opnx=opnl, GRIB_version=1

LDM patterns for selected processing

# File Using original NCEP file names
CONDUIT	^data/nccf/com/(.*) !(.*)!
	FILE	data/conduit/\1
#
# (Old File Using original NWSTG file names)
CONDUIT	^/afs/.nwstg.nws.noaa.gov/ftp/(.*) !(.*)!
	FILE	data/conduit/\1
#
# Pipe all GFS Grid #002/#003 to decoder (note includes new NCEP file NAMES)
CONDUIT	(ST.opnl/MT.gfs|prod/gfs.*pgrb[^2])
        PIPE    decoder
#
# Pipe all GFS Grid #004 to decoder (note includes new NCEP file NAMES)
CONDUIT	(ST.opnt/MT.gfs|prod/gfs.*pgrb2)
        PIPE    decoder
#