-
Total number of requests a user can submit - Web API FAQ (User Documentation) — 20 queued requests per user
-
How to download and install the Web API Python client - Web API FAQ (User Documentation) — Follow the instructions here: https://pypi.org/project/ecmwf-api-client/
-
Limitations in the Public Datasets web interface - Web API FAQ (User Documentation) — We have limited the time period selection for retrievals from the Web User Interface (UI), in order to improve the service performance but also to help the users to learn how to submit efficient MARS request
-
-
-
How to download Public Datasets from ECMWF - Web API FAQ (User Documentation) — This interface will help you to navigate through the public datasets in a dynamic and user-friendly way.
-
-
-
-
-
-
-
-
-
-
-
-
How to use Python requests to list data from the Access MARS service - Web API FAQ (User Documentation) — You can list data in the Access MARS service through ECMWF WebAPI using a Python script. This will allow any user with access to MARS to list data. The syntax is
-
-
How to retrieve data in netCDF format - Web API FAQ (User Documentation) —
- Yes,You only have to add in your request "format" : "netcdf"
-
How to request a limited area region - Web API FAQ (User Documentation) — Yes,If you have already set the "grid" keyword in your request, you can add the "area" : "coordinates" keyword
-
-
The Web API flow chart - Web API FAQ (User Documentation) — Web API python client, request is checked for validity and is visible in API job list.
-
-
Differences between the full MARS client and Access MARS service - Web API FAQ (User Documentation) — Some users might be used to the full MARS client to access MARS. There are some limitations if you use the Access MARS service compared to the full MARS client
-
-
-
ERROR 99 - Web API FAQ (User Documentation)
-
-
-
-
-
-
How to use the MARS Activity web page - Web API FAQ (User Documentation) — In MARS activity you can see only the requests that are currently "active" on the Web API level. A "queued" request is not visible in MARS activity
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
How to organise the output in separate files - Web API FAQ (User Documentation) — Some applications require the input files separated each on them containing one single parameter or step. This is not the most efficient way to retrieve it from MARS but the solution is very easy.
-
Web API single request limits - Web API FAQ (User Documentation) — There are limitations on the total number of fields
-
Fields interpolation - Web API FAQ (User Documentation) — The transformation and interpolation is done by MARS using a library called MIR.
-
How to cancel a request - Web API FAQ (User Documentation) — If you wish to cancel a request please visit your job list and click on the cancel button.
-
How to check your requests - Web API FAQ (User Documentation) — Your job list can be used for tracing back tour requests.
-
How to retrieve data using the Web API in Metview - Web API FAQ (User Documentation) — Metview versions from 4.4.3 onwards have support for the Web API service. More information: Using the MARS Web API from Metview.
-
-
How to use Python requests to retrieve data from the Access MARS service - Web API FAQ (User Documentation) — You can use the Access MARS service through ECMWF WebAPI using a Python script. This will allow any user with access to MARS to retrieve data. The syntax is
-
Data access restrictions - Web API FAQ (User Documentation) — Yes, you can only access datasets that you have been given access rights to.
-
-
How to improve the efficiency of my requests - Web API FAQ (User Documentation) — This is extremely useful if you wish to download large amounts of data. Follow the Guidelines to write efficient MARS requests
-
How to check the content of the archive - Web API FAQ (User Documentation) — Our archive consists of several Public Datasets and each of them has its own availability.
Licensed and Member State users have access to MARS.
-
My first Web API request - Web API FAQ (User Documentation) — You may start with the examples available on TIGGE sample scripts or by creating your request using our Datasets Web Interface.
-
How to write a Web API request - Web API FAQ (User Documentation) — Presumably, before you start using Web-API you need to be able to write your own "request" which describes the data you wish to download
-
Total time of a request - Web API FAQ (User Documentation) — The request may take some time ( from some minutes, to many hours ) to complete, depending on some factors and limitations.
-
Definition of MARS request - Web API FAQ (User Documentation) — MARS stands for Meteorological Archive System. MARS is the ECMWF archival system which handles the requests that are submitted externally through the Web-API
Overview
Content Tools