Operational time-series data offered through Web services can be grouped under;

Ensemble Meteograms (ENS Meteograms)

Types of ENS meteograms

TypeDataParametersAvailabilityAccess
10-day meteograms
  • HRES/ENS data up to 10 days every 6 hourly
  • Resolution: O640
  • HRES/Control/Max/Median/Min/75th/25th/10th/90th


  • Total cloud cover
  • Total precipitation
  • 10 m wind speed
  • 2m temperature
  • Low cloud cover
  • Medium cloud cover
  • High cloud cover
  • Total snowfall
  • 10m wind gust
Twice a day at 00/12 runs

Graphical access

  • www charts (click)
  • ecCharts
  • automatically (curl)

Data access

  • through ECMWF web-api
15-day meteograms

  • Daily ENS distribution up to 15 day.

  • Resolution: O640
  • All ENS members/Max/Median/Min/90th/75th/25th/10th
  • Daily mean of total cloud cover
  • total precipitation
  • Daily distribution of 10m wind direction
  • Daily mean of 10m wind speed
  • Daily mean of wind direction
  • 2m min temperature
  • 2m max temperature
Twice a day at 00/12 runs

Graphical access

  • www charts (click)
  • ecCharts
  • automatically (curl)

Data access

  • through ECMWF web-api
10-day wave meteograms
  • HRES and WAM-HRES/ENS shown together.


  • Distribution of 10m wind direction (from HRES/ENS)
  • Significant wave height
  • Mean wave direction
  • Mean wave period
Twice a day at 00/12 runs

Graphical access

  • www charts (click)
  • ecCharts
  • automatically (curl)

Data access

  • through ECMWF web-api
Plumes
  • HRES and ENS distibution every 6hr up to 10 day.
  • Temperature at 850 hPa
  • Ensemble members of total precipitation
  • Geopotential at 500 hPa
Twice a day at 00/12 runs

Graphical access

  • www charts (click)
  • ecCharts
  • automatically (curl)

Data access

  • through ECMWF web-api
Classical 15-day with climate
  • Same as 15-day with Model climate information added.
  • Daily mean of total cloud cover and M-climate
  • total precipitation and M-climate
  • M-climate of the distribution of 10m wind direction
  • Daily distribution of 10m wind direction
  • Daily mean of 10m wind speed and M-climate
  • 2m min/max temperature and M-climate

Twice a day at 00/12 runs

Climate ONLY udpated twice a week

Graphical access

  • www charts (click)
  • ecCharts
  • automatically (curl)

Data access

  • through ECMWF web-api
CDF/EFI plots
  • Generated from 15-day meteograms showing all valid forecast

data for a given period (usually daily)

  • CDF/EFI for 2t mean temperature
  • CDF/EFI for 24hr total precipitation
  • CDF/EFI for 24hr max wind gust
Twice a day at 00/12 runs

Graphical access

  • www charts (click)
  • ecCharts
Precipitation type
  • Probable precipitation type up to day 7 every 3 hours up to 144 then 6 hourly)

Twice a day at 00/12 runs

Graphical access

  • ecCharts
Extended range anomalies/climate
  • Extended range time -steps  up to 6 weeks
  • Total precipitation
  • Mean sea level pressure
  • 2m temperature
  • Surface temperature
Twice a week

Graphical access

  • ecCharts


Some graphical examples


Data structure

{
    "2t": {
		"control": [...],
		"hres": [...],
		"min": [...],
		"max": [...],
		"median": [...]
		...
		"steps": [0,6,12, ...]
		"metadata ..."
	}
}

For further details on how to prepare a Web-API request and full structure of output data, see here;

Web-API meteogram service

Ensemble Vertical Profiles

Vertical structure of the Ensemble data is presented for certain parameters for a given time step.

Graphical examples