Numerical weather prediction

Weather models use systems of differential equations based on the laws of physics, fluid motion, and chemistry, and use a coordinate system which divides the planet into a 3D grid. Winds, heat transfer, solar radiation, relative humidity, and surface hydrology are calculated within each grid cell, and the interactions with neighboring cells are used to calculate atmospheric properties in the future.

The ENIAC main control panel at the Moore School of Electrical Engineering

Weather reconnaissance aircraft, such as this WP-3D Orion, provide data that is then used in numerical weather forecasts.

A prognostic chart of the 96-hour forecast of 850 mbar geopotential height and temperature from the Global Forecast System

Numerical weather prediction uses mathematical models of the atmosphere and oceans to predict the weather based on current weather conditions. Though first attempted in the 1920s, it was not until the advent of computer simulation in the 1950s that numerical weather predictions produced realistic results. A number of global and regional forecast models are run in different countries worldwide, using current weather observations relayed from radiosondes, weather satellites and other observing systems as inputs.

单词	Weather simulation
释义	Weather simulation 原声例句 BBC英语大破解 Domenico has worked with Alyssa on previous sonification projects, like this piece using Mars weather simulation data. 多米尼克曾与艾丽莎在其它数据可听化项目中一起合作过，比如这段用火星天气模拟数据创作的音乐。英语百科 Numerical weather prediction Numerical weather prediction uses mathematical models of the atmosphere and oceans to predict the weather based on current weather conditions. Though first attempted in the 1920s, it was not until the advent of computer simulation in the 1950s that numerical weather predictions produced realistic results. A number of global and regional forecast models are run in different countries worldwide, using current weather observations relayed from radiosondes, weather satellites and other observing systems as inputs.
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Weather simulation

Numerical weather prediction