Waarschuwingen, Kalholmen

Yellow severe thunderstorm warning: The western part of the country and locally in North Ostrobothnia, Fri 0.00 - Sat 0.00 Severe thunderstorm warning: From the night between Thursday and Friday to the night between Friday and Saturday, probability for strong thunderstorm wind gusts is 30%. Local and sporadic wind damage. Mostly individual fallen trees. Brief and local disruptions in electricity supply. Areas: Alavieska, Central Finland, Central Ostrobothnia, Haapajärvi, Haapavesi, Hailuoto, Ii, Kalajoki, Kanta-Häme, Kempele, Kärsämäki, Liminka, Lumijoki, Merijärvi, Muhos, Nivala, Ostrobothnia, Oulainen, Oulu, Pirkanmaa, Pyhäjoki, Pyhäjärvi, Pyhäntä, Päijät-Häme, Raahe, Reisjärvi, Satakunta, Sievi, Siikajoki, Siikalatva, South Ostrobothnia, Tyrnävä, Utajärvi, Uusimaa, Vaala, Varsinais-Suomi, Ylivieska, Åland

Flood centre/SYKE: Rainfall can cause urban flooding and flooding of small streams.