Introducing Aerological Diagram — complex, but incredibly useful tool for weather forecasting at different heights


Aerological diagram or Skew-T Log-P diagram is a well-loved chart used by weathermen, pilots, paragliders, and many others, which shows how the weather changes at the different heights in the atmosphere. In other words, with this diagram, you can to read the weather above you.

Aerological diagram or Skew-T Log-P diagram for cloudiness forecast for Livorno, Italy

The diagram is built from aerological sounding data using a radiosonde or weather model data. In the, we are using data from the ICON13 weather model. The forecast depth is seven days.

Reading this chart could be a little complicated, but when you practice a bit, this will be like a walk in a park to you.

In this diagram, there are three curves on the chart:

  • The red one depicts the air temperature at different altitudes.
  • The green one depicts dew points at different hights.
  • The blue one depicts the behavior of air volume that rises from the surface. 

For example, the closer the green curve is to the red one, the higher the humidity and the greater the probability of cloudiness and precipitation are. And vice-versa.

Learn more about aerological diagram and how to read it correctly in the blog or tapping on the “i” sign at the top right corner of the diagram screen.
At the moment, the function is only available in the Android version.

About is the leading professional weather app for wind sports and outdoor activities: kitesurfing and windsurfing, sailing, fishing, paragliding, biking, and many others. It is useful for anyone who is interested in meteorology and wants to become a weather expert. In 2020, the application was recognized the best in its category by the World Meteorological Organization (WMO). The key features of the app includes 10 Day Weather Forecast, Compare Mode for all major Weather Models, Live Wind Map, Real-Time Forecast from 30 thousands Weather Stations, Weather History (2020–2012), Atmospheric Fronts, and Isobars. is available for both iOS/iPadOS and Android mobile platforms.

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Ivan Kuznetsov 
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