A new deliverable report on severe weather event case studies evaluation and implications for monitoring within INTERACT is available. The report focuses on forecasts of two types of extreme weather events: Arctic heatwaves and early and late snow melt. The European Centre for Medium-Range Weather Forecasts (ECMWF) forecasts provided guidance of warmer than average temperatures up to 6-weeks in advance for both the 2018 European and 2020 Siberian heatwave. The potential role of land-atmosphere feedbacks in the predictability of these events is discussed. The forecasts of snowmelt revealed a severe bias in the snow depth and snow extent which becomes worse at longer lead times. Using data from the Sodankylä field site, this bias is attributed to a low bias in the incident solar radiation. The report can be found here
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