The process_narr()
function imports and cleans raw meteorological
data, returning a single SpatRaster
object.
Usage
process_narr(
date = c("2023-09-01", "2023-09-01"),
variable = NULL,
path = NULL,
extent = NULL,
...
)
Arguments
- date
character(2). length of 10 each. Start/end date of downloaded data. 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.
Note
Layer names of the returned SpatRaster
object contain the variable acronym,
pressure level, and date.
Examples
## NOTE: Example is wrapped in `\dontrun{}` as function requires a large
## amount of data which is not included in the package.
if (FALSE) { # \dontrun{
process_narr(
date = c("2018-01-01", "2018-01-01"),
variable = "weasd",
path = "./tests/testdata/narr/weasd"
)
} # }