App for viewing recent rain radar data in Finland.

Radar data is downloaded from the Finnish Meteorological Institute's (FMI) open
data service, https://en.ilmatieteenlaitos.fi/open-data-manual-radar-data.

Usage:
0. Go to Finland
1. Open the app
2. Press up/down buttons to select previous/next time step
3. Press middle button to switch zoom level
4. Move yourself to keep dry or to get wet
5. Thank FMI for open data