I've seen the usual wildlife photographer and Landscape photographer competitions but not the weather photography competition and there are some stunning entries.
http://www.bbc.co.uk/news/in-pictures-36990916
https://www.weather-photo.org/events/weather-photographer-year/finalists/
http://www.bbc.co.uk/news/in-pictures-36990916
https://www.weather-photo.org/events/weather-photographer-year/finalists/