The Shopping Forecast…

Ever wondered how your supermarket manages to have just the right amount of burgers available when it’s barbecue weather and warming soups when it’s chilly?

The answer lies in sensitive forecasting techniques that can predict in astonishing detail how what we buy will be affected by even minor changes in temperature.

For example, when the mercury rises from 68f to 75f (20c to 24c) then sales of hamburgers will increase by 42 per cent, according to research from Tesco.

Here is the shopping forecast: How supermarkets use weather predictions to decide what to stock“, Daily Mail, 16 August 2011