Instant Weather Forecasting's winning formula of 24 clear colour photographs of cloud formations and accompanying explanatory text enables the reader to study the sky and use clues to predict what the weather will do next. A perennial bestseller since it was first published over 50 years ago, this revised and updated sixth edition takes into account the new ways users can receive professional weather forecasts, factor them into their own cloud observations, and develop an even better understanding of how the weather will change. This bestselling gem of a book has sold over a million copies worldwide and continues to be invaluable to anyone participating in outdoor activities, from farming, gardening and walking to riding, golfing, flying, sailing, fishing - and of course holidaymakers.