How Do Scientists Know What the Weather Will Be Like Tomorrow?

Scientists use weather maps to see what is happening in the sky right now. They also use special computers that guess what will happen tomorrow based on today's weather. It’s like a game where you try to predict what the next move will be.

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Examples

A scientist sees clouds moving in from the north and guesses it will rain tomorrow.
A computer model predicts that the temperature will drop because cold air is coming in from the south.
The forecast says it will be sunny, so you decide to have a picnic.

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Categories: Science · weather,science,forecasting