process_narr: Process meteorological data
In amadeus: Accessing and Analyzing Large-Scale Environmental Data

process_narr

R Documentation

Process meteorological data

Description

The process_narr() function imports and cleans raw meteorological data, returning a single SpatRaster object.

Usage

process_narr(
  date = "2023-09-01",
  variable = NULL,
  path = NULL,
  extent = NULL,
  ...
)

Arguments

`date`	character(1 or 2). Date (1) or start and end dates (2). Format YYYY-MM-DD (ex. September 1, 2023 = "2023-09-01").
`variable`	character(1). Variable name acronym. See List of Variables in NARR Files for variable names and acronym codes.
`path`	character(1). Directory with downloaded netCDF (.nc) files.
`extent`	numeric(4) or SpatExtent giving the extent of the raster if `NULL` (default), the entire raster is loaded
`...`	Placeholders.

Value

a SpatRaster object

Note

Layer names of the returned SpatRaster object contain the variable acronym, pressure level, and date.

Author(s)

Mitchell Manware

Examples

## NOTE: Example is wrapped in `\dontrun{}` as function requires a large
##       amount of data which is not included in the package.
## Not run: 
process_narr(
  date = c("2018-01-01", "2018-01-10"),
  variable = "weasd",
  path = "./tests/testdata/narr/weasd"
)

## End(Not run)

amadeus documentation built on April 4, 2025, 12:21 a.m.