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We investigate the evolution of the large-scale weather patterns prior to the 40 most intense thunderstorm days in Finland in 2002–2021 by using lightning observations and the ERA5 reanalysis data….
Jatka lukemista
Although climate change is a global problem and states are the main actors in climate governance, the role of sub-national governments is increasing in this field. Finland’s national Climate Change…
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In this paper, we present daily gridded evapotranspiration dataset covering Finland over the 40-year period 1981–2020. The dataset representing evapotranspiration from a reference surface is freely available in a 1…
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The Finnish Meteorological Institute has recently developed a web-service that provides detailed hydrometeorological information to support more efficient hydropower production operations in Northern Finland. This service aims to reduce uncertainties…
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A number of large forest fires made headlines in Sweden during the exceptionally warm and dry summer of 2018. Also, in Finland, fire departments were busy with numerous wildfires. It…
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The winter of 2019/2020 saw unprecedented mild weather in most of Finland. The winter was moreover characterized by exceptionally thick snow cover in Lapland. At the same time, there was…
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The most severe weather warnings are not given lightly, but when they are, everyone should take care and act. This case study presents warnings, forecasts and observations during Storm Aila…
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Climate services are defined as the provision of climate information in a way that assists decision making by individuals and organizations. Climate indices are useful synthetic measures, easily comprehensible for…
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FMI’s Climate Bulletin Research Letters autumn issue provides 9 peer-reviewed short papers. Next issue will be published in spring 2020. Short papers in the autumn issue: Thunderstorm observations in Finland…
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Historical time series of occurrence of thunderstorms in Finland reveals a large year-to-year variation. On average, there are annually 134 000 cloud-to-ground flashes in Finland. TERHI K. LAURILA, ANTTI MÄKELÄFinnish…
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Lightning location data from an extensive period can be used to characterise the typical occurrence of thunderstorms and lightning. In Finland, most of the lightning occurs in the western parts….
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