From deciding the best day for a picnic to the devastating effects of hurricanes & typhoons the weather impacts our lives on a daily basis Although new techniques allow us to forecast the weather with increasing accuracy most people do not realise the vast global movements & forces which result in their day-to-day weather In this Very Short Introduction Storm Dunlop explains what weather is & how it differs from climate discussing what causes weather & how we measure it Analysing the basic features & properties of the atmosphere he shows how these are directly related to the weather experienced on the ground & to specific weather phenomena & extreme weather events He describes how the global patterns of temperature & pressure give rise to the overall circulation within the atmosphere the major wind systems & the major oceanic currents & how features such as mountains & the sea affect local weather He also looks at examples of extreme & dangerous weather such as of tropical cyclones (otherwise known as hurricanes & typhoons) describing how ' Hurricane Hunters' undertake the dangerous task of flying through them We measure weather in a number of ways observations taken on the land & sea; observations within the atmosphere; & measurements from orbiting satellites Dunlop concludes by looking at how these observations have been used to develop increasingly sophisticated long- & short-range weather forecasting including ensemble forecasting ABOUT THE SERIES The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area These pocket-sized books are the perfect way to get ahead in a new subject quickly Our expert authors combine facts analysis perspective new ideas & enthusiasm to make interesting & challenging topics highly readable