Stratospheric Polar Vortex

This index provides the average wind speed at 10, 50 or 200 hPa between 60°N and 90°N and thus indicates the strength of the stratospheric polar vortex during the polar winter. The SPV index provides a measure of the circumpolar vortex strength and indirectly relates...

Precipitation Type

With the new parameter precip_type:idx you can query whether the precipitation is expected to come down as rain, rain and snow mixed, snow, sleet or freezing rain. This is particularly helpful in forecasting certain dangerous situations such as slippery roads caused...

Icing Potential

Icing Potential Icing is absolutely critical in aviation and in-flight icing on planes are the cause of multiple near-accidents or even crashes. Consequently, it is crucial for aviation to have reliable icing forecasts predicting the expected occurrence of icing on...

Polygon Queries

In addition to the existing query methods, the new powerful polygon query is now available! This kind of query offers a lot of new opportunities regarding spatial data analysis. Have you ever wondered about the highest elevation around your area or the mean...

New Parameters and Features

  Several new parameters and features have been added to the API lately: Air Density This parameter is now available in the API under the identifier air_density_<level>:kgm3. Air density depends on temperature, pressure as well as moisture. Regarding the...

Go Connector

The new Go Connector developed by Tom Payne is now available: Go is a programming language designed by Google. The structure of Go is related to C, but with greater simplicity. Thanks to Tom Payne, a connector incorporating the Go language for accessing all kinds of...