Wiktionary
n. (context meteorology English) The science of using meteorology to predict future weather.
WordNet
n. predicting what the weather will be [syn: meteorology]
Wikipedia
Weather forecasting is the application of science and technology to predict the state of the atmosphere for a given location. Human beings have attempted to predict the weather informally for millennia, and formally since the nineteenth century. Weather forecasts are made by collecting quantitative data about the current state of the atmosphere at a given place and using scientific understanding of atmospheric processes to project how the atmosphere will change.
Once an all-human endeavor based mainly upon changes in barometric pressure, current weather conditions, and sky condition, weather forecasting now relies on computer-based models that take many atmospheric factors into account. Human input is still required to pick the best possible forecast model to base the forecast upon, which involves pattern recognition skills, teleconnections, knowledge of model performance, and knowledge of model biases. The inaccuracy of forecasting is due to the chaotic nature of the atmosphere, the massive computational power required to solve the equations that describe the atmosphere, the error involved in measuring the initial conditions, and an incomplete understanding of atmospheric processes. Hence, forecasts become less accurate as the difference between current time and the time for which the forecast is being made (the range of the forecast) increases. The use of ensembles and model consensus help narrow the error and pick the most likely outcome.
There are a variety of end uses to weather forecasts. Weather warnings are important forecasts because they are used to protect life and property. Forecasts based on temperature and precipitation are important to agriculture, and therefore to traders within commodity markets. Temperature forecasts are used by utility companies to estimate demand over coming days. On an everyday basis, people use weather forecasts to determine what to wear on a given day. Since outdoor activities are severely curtailed by heavy rain, snow and wind chill, forecasts can be used to plan activities around these events, and to plan ahead and survive them.
Usage examples of "weather forecasting".
A lot of weather forecasting fell into atmospheric pressure pictures of close and distant fronts, three dimensional and always on the move.
A lot of weather forecasting fell into atmospheric pressure pictures of close and distant fronts, three-dimensional and always on the move.
Every plane crash, every car accident could now conceivably be linked to weather forecasting.
Here was where a little more genuine weather forecasting would help.
They could affect the weather forecasting of all the nations of the world in the next decade.
The string-of-pearls satellites the Confederation Navy had put in place a generation earlier was a sore point with the theocracy--they believed the ring of satellites spied on them despite the Confederation's assurances that the satellites were restricted to weather forecasting, geological surveys, and watching the approaches to Kingdom.
This was one of the flags flown from county courthouse flagpoles in the closing days of the nineteenth century, when weather forecasting was handled by the U.
With the failure of national governments, they had taken over the means of space travel and extracted a huge price for weather forecasting, rare moon minerals, and exotic materials which could only be manufactured in the weightless environment of space.