Abstract
AbstractWeather satellites produce large amounts of observational data in real time. This information has high temporal and spatial resolution covering almost every region of the globe. The infrared (IR) window channels of operational meteorological satellites are sensitive to the clouds and to the underlying surface. Comparing the IR channel observations with synthetic satellite images is an effective way to evaluate the quality of cloud forecasts produced by numerical models. Assessment of potentially problematic features in the early stages of the forecast is essential in not only nowcasting and very short‐range forecasting but also in a reliability check of a given numerical weather prediction model (NWP). A pre‐operational real‐time monitoring system is set up in the Finnish Meteorological Institute, using the observed and synthetic satellite images, and applying an entity‐based verification method. Copyright © 2008 Royal Meteorological Society
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