--- Welcome to the official ADCIRCWiki site! The site is currently under construction, with limited information. ---
For general information, see the ADCIRC site, ADCIRC FAQ, or the ADCIRC Wikipedia page. For model documentation not yet available on the wiki, see the ADCIRC site. New content is being continuously added to the ADCIRCWiki, and material from the main ADCIRC site will be gradually transitioned over to the wiki.

Fort.22x.grb2 file

From ADCIRCWiki
Revision as of 22:41, 24 March 2020 by Wpringle (talk | contribs) (Created page with "The fort.22x.grb2 files are meteorological inputs with the GRIB2 filetype. These GRIB2 files are read by ADCIRC through the [https://www.cpc.ncep.noaa.gov/products/wesley/wgri...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

The fort.22x.grb2 files are meteorological inputs with the GRIB2 filetype. These GRIB2 files are read by ADCIRC through the wgrib2api static library. The API generates an inventory of the GRIB2 file at the beginning of simulation to determine information of the variables and valid datetime.

fort.221.grb2

Contains the surface pressure/sea level pressure data. Valid GRIB2 variable names for this attribute are:

  •  :PRMSL:mean sea level: or
  •  :MSLET:mean sea level: or
  •  :PRES:surface:

The mean sea level pressure, MSLET, is known to be a better choice than its counterpart, PRMSL, in the GFS model [1]. In comparison, the CFSv2 model does not provide MSLET, thus PRMSL should be used. PRES:surface (surface pressure) should be equivalent to PRMSL/MSLET over the ocean and in general can be used. However, problems could arise at the land/ocean interface when there is a significant discrepancy between the ocean/land mask in ADCIRC and the meteorological model due to resolution differences.

fort.222.grb2

Contains the wind velocity at 10-m height data. Valid GRIB2 variable names for this attribute are:

  •  :UGRD:10 m above ground: and
  •  :VGRD:10 m above ground:

fort.225.grb2 [optional]

Contains the ice concentration as an area fraction. Valid GRIB2 variable names for this attribute are:

  •  :ICEC:surface: