ERA5

pansat.products.reanalysis.era5

This module defines the ERA5 product class, which represents all supported ERA5 products.

class pansat.products.reanalysis.era5.ERA5Hourly(levels, variables, domain=None)

Child Class of ERA5Product for hourly ERA5 data.

__init__(levels, variables, domain=None)

class pansat.products.reanalysis.era5.ERA5Monthly(levels, variables, domain=None)

Child Class of ERA5Product for monthly ERA5 data.

__init__(levels, variables, domain=None)

class pansat.products.reanalysis.era5.ERA5Product(levels, variables, domain=None)

The ERA5 class defines a generic interface for ERA5 products.

levels

“surface”, “pressure” or “land”. <surface> contains surface data and column-integrated values, pressure levels contains data throughout the atmosphere column and <land> contains data from surface to soil depth

Type:

str

name

The full name of the product according to Copernicus webpage

Type:

str

variables

List of variable names provided by this product.

Type:

list

domain

list of strings to select region [lat1, lat2, lon1, lon2] if None: global data will be downloaded

Type:

list

__init__(levels, variables, domain=None)

__str__()

The full product name.

_get_provider()

Find a provider that provides the product.

property default_destination

The default destination for ERA5 product is ERA5/<product_name>>

download(start, end, destination=None)

Download data product for given time range.

Parameters:

• start_time (datetime) – datetime object defining the start date of the time range.

• end_time (datetime) – datetime object defining the end date of the of the time range.

• destination (str or pathlib.Path) – The destination where to store the output data.

Returns:

name list of all downloaded files for data product

Return type:

downloaded(list)

filename_to_date(filename)

Extract timestamp from filename.

Parameters:

filename (str) – Filename of a ERA5 product.

Returns:

datetime object representing the timestamp of the filename.

matches(filename)

Determines whether a given filename matches the pattern used for the product.

Parameters:

filename (str) – The filename

Returns:

True if the filename matches the product, False otherwise.

classmethod open(filename)

Opens a given file of NCEP product class as xarray.

Parameters:

filename (str) – name of the file to be opened

Returns:

xarray dataset object for opened file

Return type:

datasets(xarray.Dataset)