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The probability of precipitation can also be expressed using descriptive terms instead of numerical values. For instance, the NWS might describe a precipitation forecast with terms such as "slight chance" meaning 20% certainty and "scattered" meaning 30–50% areal coverage. [10] The precise meaning of these terms varies. [11]
This is a list of countries by average annual precipitation. List. Per the World Bank (2017) [1] [2] Country mm/ year) Continent 1 ... Canada: 537: North America 140
Canada: 1,000.3 77.2 62.7 69.1 82.2 81.2 87.0 89.3 94.1 83.1 ... Average monthly precipitation (in mm) for selected cities in South America City Country Year Jan Feb ...
The quantitative precipitation forecast (abbreviated QPF) is the expected amount of melted precipitation accumulated over a specified time period over a specified area. [1] A QPF will be created when precipitation amounts reaching a minimum threshold are expected during the forecast's valid period.
Canada has been one of the first countries to broadcast their probabilistic forecast by giving chances of precipitation in percentages. [citation needed] As an example of fully probabilistic forecasts, recently, distribution forecasts of rainfall amounts by purely statistical methods have been developed whose performance is competitive with hybrid EPS [clarification needed] /statistical ...
The Canadian Centre for Climate Modelling and Analysis (CCCma) is part of the Climate Research Division of Environment Canada and is located at the University of Victoria, Victoria, British Columbia. Its purpose is to develop and apply climate models to improve understanding of climate change and make quantitative projections of future climate ...
The symbolic clock is set at 89 seconds to midnight, with nuclear threats, AI misuses and climate change being the key factors. Doomsday Clock moved closest ever to destruction Skip to main content
reliable probabilities of binary events, e.g. probability of precipitation and (severe) thunderstorms, reliable probabilities of categorical events, e.g., probability of clear, scattered, broken or overcast skies. These points, while greatly desired by forecasters, do come at a price.