Optional fields can be attached to the query string as follows:
https://...?option_name=<option_value>&...
The following table describes the optional parameters:
| Option | Description | Value | Example |
|---|---|---|---|
source |
This parameter is used to select a specific source for weather data. | String. Default: mix |
ecmwf-ifs or ncep-gfs or ukmo-euro4 |
calibrated |
This option enables the calibration of historical and nowcast (first 6 hours of forecast) data with actual station measurements. The influence of a station at a certain location decreases with increasing distance from the station. | true, false Default is false |
|
mask |
Mask a parameter to only be valid on land or sea. | land, sea |
|
ens_select |
When explicitly requesting data based on an ensemble model using the 'model' parameter (e.g. ecmwf-ens), you can specify the member or aggregate to return via this parameter. | String. Default: member:0 (control run) |
member:1-50, member:1, median, mean, spread, quantile0.3, quantile0.9 |
cluster_select |
By using ecmwf-ens-cluster, you can query cluster data based on ECMWF. |
String. No default. | cluster:1, cluster:1-6 |
timeout |
A timeout (in seconds) after which the API will answer with a timeout message if it hasn't yet finished treating the query. The timeout cannot be increased above its default value. | Integer. Default: 300 (30 for WMS/WFS-Queries), Maximum is 300. | 10, 60 |
route |
Request weather data along a time/space dependent route as specified here. | true, false |