severe-weather.EU on Twitter: "Spectacular view of thunderstorm above the Gulf of Finland between Estonia and Findland. Storm Moved from Hiiumaa to Helsinki, Aug 15th. Thanks to Bogdan Parubok for the report! https://t.co/tmUERqKVQE" /
![Mika Rantanen on Twitter: "Another couple of photos of the thunderstorm over #Helsinki today. Nice ending for our @INAR_fin recreation day! #ukkonen #sade #Viikinmäki https://t.co/m13a5NLEfe" / Twitter Mika Rantanen on Twitter: "Another couple of photos of the thunderstorm over #Helsinki today. Nice ending for our @INAR_fin recreation day! #ukkonen #sade #Viikinmäki https://t.co/m13a5NLEfe" / Twitter](https://pbs.twimg.com/media/DgEbgkLWAAU0pnl.jpg)
Mika Rantanen on Twitter: "Another couple of photos of the thunderstorm over #Helsinki today. Nice ending for our @INAR_fin recreation day! #ukkonen #sade #Viikinmäki https://t.co/m13a5NLEfe" / Twitter
![Helsinki Finland Storm clouds over the Olympic Stadium built for the 1940... - License, download or print for £69.00 | Photos | Picfair Helsinki Finland Storm clouds over the Olympic Stadium built for the 1940... - License, download or print for £69.00 | Photos | Picfair](https://res.cloudinary.com/fleetnation/image/private/c_fit,w_1120/g_south,l_text:style_gothic2:%C2%A9%20Richard%20Wareham,o_20,y_10/g_center,l_watermark4,o_25,y_50/v1546862172/trbyykmadiiaiecnxe7m.jpg)
Helsinki Finland Storm clouds over the Olympic Stadium built for the 1940... - License, download or print for £69.00 | Photos | Picfair
![Biochar based filtration improves city storm water quality in Helsinki | UBC Sustainable Cities Commission Biochar based filtration improves city storm water quality in Helsinki | UBC Sustainable Cities Commission](https://www.ubc-sustainable.net/sites/default/files/field/image/helsinki_stormwater_filtration_site.jpg)