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Get the Zurich, ZH local weather forecast by the hour and the next 10 days.
monthly forecasts, predicting the weather on a weekly basis 30 days ahead; seasonal forecasts up to 12 months ahead. Over the past three decades ECMWF's wide-ranging programme of research has played a major role in developing such assimilation and modelling systems. This improves the accuracy and reliability of weather forecasting by about a ...
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The office observes the weather around the clock, creating weather forecasts and alerting authorities and population, when strong winds, heavy rainfall, storms or heat waves are forecast. In addition, it provides weather services for the civil, military and private aviation. The office also carries out a program of research and development to ...
Even with the increasing power of supercomputers, the forecast skill of numerical weather models only extends to about two weeks into the future, since the density and quality of observations—together with the chaotic nature of the partial differential equations used to calculate the forecast—introduce errors which double every five days ...
Microsoft's Aurora system offers global 10-day weather and 5-day air pollution (CO 2, NO, NO 2, SO 2, O 3, and particulates) forecasts with claimed accuracy similar to physics-based models, but at orders-of-magnitude lower cost. Aurora was trained on more than a million hours of data from six weather/climate models. [83] [84]
On average there are 74.9 days in which the minimum temperature is below 0 °C (32 °F) (so-called frost days), and 23.7 days in which the maximum temperature is below 0 °C (32 °F) (so-called ice days). There are on average 30 so-called summer days (maximum temperature equal to or above 25 °C [77 °F]) throughout the year, while so-called ...
This weather is called inversion because the temperature below the fog is lower than the temperature above. Sometimes, it lasts for days or even for weeks, during which the neighbouring regions of the Alps and the Jura can have the brightest sunshine. Typical for the high fog is the bise, a cold wind from the northeast. Since it is channelled ...