… weather forecasting started around 640 B.C.?

More precisely with the people of Babylon who tried to predict climate change by observing clouds and phenomena such as the aurora borealis. However, meteorology as we know it started back in the 17th century, with the invention of the mercury barometer and a reliable measuring thermometer. 

… meteorologists use different tools to forecast the weather?

They have been placed all over the globe. There are weather stations, balloons and satellites, ocean buoys, and even instruments on ships, airplanes, and airports. These technologies collect data on temperature, humidity, wind, andatmospheric pressure. 

Weather forecasts can be over 90% accurate.

…climate and weather are different things?

Weather is about what the day is like: whether it is sunny, rainy, or windy. Climate, on the other hand, refers to these conditions over a longer period, and points to how the weather generally behaves in a given region.

Glossary

Barometer: an instrument that measures atmospheric pressure.

Atmospheric pressure: is the force that the air exerts on the Earth’s surface.

Sources: National Geographic, Estado de Minas, Canaltech, and Estadão 

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