¥Should I bring my umbrella to work
today?
¥Should Miami be evacuated for a
hurricane?
¥How much heating oil should a refinery
process for the
upcoming winter?
¥Will the average temperature change if
CO2 levels
double during the next 100 years?
¥How much to charge for flood
insurance?
¥How much water will be available for agriculture
& population in 30 years
¥These questions require weather-climate
forecasts for today,
a few days, months, years, decades