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Name Template: PUB/MISSION/level1a/avn12h/avn12h_YYYY.DDD.HH.MM.UUUU_nc

DDDDay of year
HHHour
MISSIONMission ID (eight characters or less--champ, champrt, sacc, sacctst, etc)
MMMinute
PUBBase directory for the pub hierarchy
UUUUDuration of file in minutes
YYYYYear

AVN 12 hour gridded forecast data from NCEP in netCDF format. Converted from the original GRIB format file and stored at CDAAC as avnGrb files.

Grid Data


La2

  • Description:latitude of last grid point
  • Data Type: float
  • Units: degrees_north

grid_type_code

  • Description:GRIB-1 GDS data representation type
  • Data Type: long

T

  • Description:temperature
  • Data Type: short
  • Units: degK

Nj

  • Description:number of points along a longitude circle
  • Data Type: long

grid_center

  • Description:GRIB-1 originating center ID
  • Data Type: long

model_id

  • Description:generating process ID number
  • Data Type: long

grid_name

  • Description:grid name
  • Data Type: byte

datetime

  • Description:reference date and time
  • Data Type: byte

Z

  • Description:geopotential height
  • Data Type: float
  • Units: gp m
  • Missing Value: -9999

reftime

  • Description:reference time
  • Data Type: double
  • Units: hours since 1992-1-1

nav_model

  • Description:navigation model name
  • Data Type: byte

La1

  • Description:latitude of first grid point
  • Data Type: float
  • Units: degrees_north

Di

  • Description:Longitudinal direction increment
  • Data Type: float
  • Units: degrees

Dj

  • Description:Latitudinal direction increment
  • Data Type: float
  • Units: degrees

RH

  • Description:relative humidity
  • Data Type: short
  • Units: percent

valtime

  • Description:valid time
  • Data Type: double
  • Units: hours since 1992-1-1

grid_type

  • Description:GRIB-1 grid type
  • Data Type: byte

j_dim

  • Description:latitude dimension name
  • Data Type: byte

Ni

  • Description:number of points along a latitude circle
  • Data Type: long

Lo2

  • Description:longitude of last grid point
  • Data Type: float
  • Units: degrees_east

level

  • Description:level
  • Data Type: float
  • Units: hectopascals

grid_number

  • Description:GRIB-1 catalogued grid numbers
  • Data Type: long
  • Missing Value: -9999

i_dim

  • Description:longitude dimension name
  • Data Type: byte

valtime_offset

  • Description:hours from reference time
  • Data Type: float
  • Units: hours

Lo1

  • Description:longitude of first grid point
  • Data Type: float
  • Units: degrees_east