The weather forecast that you see on TV or on your mobile actually starts with collecting data using satellites, weather radars, and ground and upper-air in situ measurements. Weather forecast is an initial value problem. To produce a forecast, a numerical weather prediction model processes today’s weather observations (hence the name initial value) based on… Continue reading If we can’t predict weather beyond two weeks, how can we claim to predict climate fifty years from now? –Paul Chan
Month: February 2022
How is climate being monitored?–Paul Chan
Systematic observation of the climate system is carried out by national meteorological agencies under the coordination of UN’s World Meteorological Organization (WMO). These national agencies take measurements at standard preset times and places, monitoring the atmosphere, ocean, and terrestrial systems. Since national monitoring systems all form part of a global network, it is vital that… Continue reading How is climate being monitored?–Paul Chan