QGIS is an open source multi-platform software for viewing and processing geographical data.
This example uses data of all the FMI radars on 2020/07/24 12:00 UTC.
- Applied GeoTIFF file: radar-composite.tif
- For comparison: HDF5 data and coloured PNG image.
- Add a background map service in the list of WMS'es, for example .
- Add a group in the layer list below, renaming it to, say, "Background maps"
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Download radar data using instructions on page or use GeoTIFF data linked in this documentation
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Add the data as a separate layer above the background map(s).
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Double-click layer control and edit Style
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A traditional choice is to colour weak precipitation green, moderate rain yellow and intensive rain and/or hail with red. For that, select Render type: Singleband pseudocolor and predefined color map template Spectral with Invert selected. Set Min -10 and Max 55, and press Classify.
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Complete color editing with Apply and OK.
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Double-click layer control and edit Transparency
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Set Additional no data value to -32 (minimum dBZ)
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Complete style editing with Apply and OK.
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Radar data may appear better on a dark background. Adjust brightness of background maps in their respective Style controls.
