The INCA-CH system calculates every 10 minutes (144 times a day) a continuous nowcasting integrating different information sources. It covers Switzerland and the neighbouring regions with a horizontal resolution of 1km. The forecast time horizon ranges from 0 to 6 hours where data is produced in a temporal granularity of 10 or 60 minutes, depending on the parameter. The 6-hour nowcast includes the seamless combination of observed and extrapolated data as well as predicted data from the numerical model COSMO-1E. For some parameters, a continuous prediction up to 33h is available (merging of INCA-CH with COSMO-1E).

The high update frequency allows to take into account the latest available observations (measurement stations, radar network, satellite images) and thus to always provide a high quality forecast.

Parameter

The following parameters are currently available:

• Temperature at 2m and ground temperature (°C)
• Relative humidity (%) and dew point (°C)
• Average wind and gust (m/s)
• Precipitation (mm/h), precipitation type (#) and snow component of precipitation (mm/h)
• New snow (cm)
• Total cloudiness (%), 3 cloudiness levels (low, medium high in %), relative sunshine (%)
• Convective potential energy (CAPE, analysis only, in J/kg)
• Convective inhibition (CIN, analysis only, in J/kg)

Data format

INCA-CH data are available on a grid (710x640 grid points) in netCDF format.

Various examples for reading and using the data are available.   

Prices upon request: Contact form